First Quiz (A), CDAE 85, Spring 1997 CHOOSE THE BEST ANSWER 1. Which of the following microprocessor companies makes the CPUs in the computer labs used for CDAE 85? A) Motorola B) IBM C) Digital Equipment Corporation D) Intel E) IDX 2. Which of the following is NOT a multi-user computer system? A) File Server B) PDA C) Mini-computer D) Super-computer E) Mainframe host 3. Which of the following is NOT an operating system? A) DOS B) CP/M C) Lotus 123 D) Unix E) System 7 4. The C:\> is to DOS as which of the following is to Unix (AIX)? A) Pine B) Telnet C) name@zoo.uvm.edu>_ D) FTP E) http://www.uvm.edu/ 5. According to the archaeological time line presented in class, what percent of Homo sapiens time line have people been using computers? A) >99.9% B) 75% C) 50% D) 25% E) <0.01% 6. Which of the following will write-protect a 3.5-inch diskette? A) Slide the tab so the hole is open. B) Slide the tab so the hole is shut. 7) According to the video shown in class, the dominant operating system used on personal computers in the late 1970s, when IBM was considering making a personal computer, was which of the following? A) System 1 B) CP/M C) MS-DOS D) Lotus 123 E) Unix 8) You discover you have a virus on your diskette! Which of the following will most surely eliminate the virus from your diskette? A) Scan the diskette with anti-virus software B) Write-protect the diskette C) Dip the diskette in antiseptic liquid D) Use the diskette in only one machine E) Format the diskette 9) According to the video we saw in lecture last week, how was IBM able to design a personal computer within one year, when in the past any IBM project took 4 or more years? A) IBM assembled a computer from parts from other companies. Only the ROM-BIOS chip was IBM's own design. B) IBM took their star Research and Development team members and told them they would get a 10% share of the profits if they could deliver a PC within a year. C) IBM sub-contracted the entire project to another computer company (Digital). The IBM name was added at the end. D) IBM actually did take four years to complete the PC. They had begun working on it in secret three years before. E) IBM took the basic design of its popular 360 Mainframe, and shrunk the processor size and memory capacity to make it personal-computer sized. The IBM-PC was essentially a miniature version of a mainframe. 10) Which of the following is NOT a world wide web browser? A) Mosaic B) Microsoft Internet Explorer C) Netscape D) Pine 11) Which of the following is the most recent, advanced, fastest, and most powerful microprocessor? A) Intel 486 B) Intel Pentium C) Intel 8088 D) Intel 80386 E) Intel 286 12) Which of the following is a URL or World Wide Web address location? A) yourname@zoo.uvm.edu B) html@edu.uvm.zoo C) http://www.somewhere.com/ D) c:\windows\system\*.html E) /racka4/u/uvmstaff/jleonard/file.htm 13) Imagine you are logged on to zoo. It is early in the morning and you are ready to "talk" with a friend at Middlebury College. You want to know if your friend is logged in. Which of the following commands will most surely tell you if your friend is logged in right now? A) pine B) who/Middlebury.edu C) click on Network Neighborhood, then Entire Network D) traceroute @panther.middlebury.edu E) finger @panther.middlebury.edu 14) OK, following along from the previous questions, imagine your friend is logged in. You are ready to initiate the talk command, but here at UVM, there is a command you must type in before you may "talk". Which of the following is that command? A) telnet B) FTP C) mesg y D) cp /racka4/u/ugrads/yourloginname/talk.eng E) pine 15) The Notepad or Edit is to Windows or DOS as which of the following is to Unix (AIX)? A) Pine B) Pico C) Telnet D) FTP E) WordPad 16) The system unit of a personal computer used to be called the CPU a few years ago. Now, however, the CPU specifically refers to which of the following? A) SIMMS B) Microprocessor C) Arithmetic-Logic Unit D) Pentium E) Motherboard 17) Imagine you move to a new address and you want to tell your e-mail friends by changing your signature file. Which of the following programs would you use to edit your signature file? A) Pico B) Notepad C) Edit D) Word E) Pine 18) Which of the following media holds the LEAST amount of data? A) CD-ROM B) DVD C) 8-inch Floppy diskette D) 3.5-inch High Density diskette E) Modern Hard disk in a PC 19) Which of the following would be considered a "timesharing" computer? A) PowerMac with PowerPC chip B) UVM zoo host C) Dell Optiplex Pentium D) Gateway 2000 Laptop E) Palm-Top Wizard 20) The advantage of using a file server in a lab setting includes which of the following? A) Software licenses are cheaper for a server than for individual PCS. B) Software is less likely to be illegally copied (pirated). C) Software is easier to upgrade. D) Easier to keep all the PCS looking exactly the same. E) All of the above. First Quiz (B), CDAE 85, Spring 1997 CHOOSE THE BEST ANSWER 1. Which of the following is the most powerful computer? A) Laptop PC B) PDA C) Hand-held calculator D) Minitower PC E) Mini-computer 2. Which of the following companies makes the Power PC CPU used in Power Macintoshes? A) Intel B) IDX C) Motorola/IBM D) Compaq E) Digital Equipment Corporation 3. Imagine this scenario: you have just completed a document that includes a nice color graphic image, and you want to go to the Waterman Lab to print it on a color printer. As you walk over there, you meet a friend who is returning from the lab who tells you the lab is infected with a new variant of the Monkey virus and that she just lost everything she had on her diskette! Which of the following can you do and still print your image without danger of infection? A) Pay no attention to your friend, there is no danger. B) Slide the write-protect tab on the diskette shut. C) Your diskette will be safe if you only use the Paint program to print your image, other software may infect your diskette. D) Slide the write-protect tab on the diskette open. E) There is nothing you can do to protect your diskette, you might as well go back to your room. 4. Which of the following programs is used to turn the PC in lab into a terminal for the UVM mainframe host? A) Pine B) Telnet C) Gopher D) TCP/IP E) Unix (AIX) 5. Which of the following is closest to the amount of space now available on a hard disk that would come installed on a new PC today? A) 64 Bytes B) 8 Mb C) 128 Kb D) 3 Gb E) 24 Tb 6. Which of the following is an operating system? A) WordPerfect B) Lotus 123 C) Excel D) Unix (AIX) E) Microsoft Word 7) The C:\> is to DOS as which of the following is to Unix (AIX)? A) Pine B) Telnet C) name@zoo.uvm.edu>_ D) FTP E) http://www.uvm.edu/ 8) According to the video we saw in lecture last week, there were two contenders for the IBM-PC Operating System back in the Late 1970s. Which of the following were the two contenders? A) Compaq's Mark Sanders and Intel's Gary Lawson B) Microsoft's Bill Gates and Seattle Computer System's Tim Patterson. C) Interstellar's Michael Dorn, and Soft Systems Gary Hart. D) Bill Gates from Microsoft, and Bill Lowe from Altair. E) Intergalactic Digital Research's Gary Kildall and Microsoft's Bill Gates. 9) According to the video, IBM used "open architecture" for its IBM-PC. Open architecture meant which of the following? A) The PC would be more flexible than other previous PCS because the disk drives were 5.25 inch instead of 8-inch. B) The PC was modular in that the keyboard and monitor could be exchanged for new and different keyboards and monitors. C) Open architecture meant that for the first time a PC was equipped with expansion slots so users could add memory and other components like modems and graphics cards. D) The PC was assembled from non-IBM parts made by other computer companies. Only the ROM-BIOS was IBM's. E) The PC could be used both indoors and outdoors. 10) Which of the following is the world wide web browser we use in lab? A) Mosaic B) Microsoft Internet Explorer C) Netscape D) Cello E) Chameleon 11) Which of the following model numbers refers to the same processor as Intel's "Pentium" chip? A) 50486 B) 80586 C) 80885 D) 80386 E) 50286 12) Which of the following is UVM's URL or World Wide Web address location? A) zoo.uvm.edu B) html@edu.uvm.zoo C) http://www.uvm.edu/ D) c:\uvm\edu E) /racka4/u/uvm/ 13) Imagine you are logged on to zoo. You have a friend who you "talk" to once in a while who also is on zoo. Which of the following commands will tell you if your friend is logged on right now? A) who|more B) show users C) click on Network Neighborhood, then Entire Network D) traceroute zoo.uvm.edu E) ping zoo.uvm.edu 14) OK, following along from the previous questions, imagine your friend is logged in. You enter the mesg y command and are ready to talk. Which of the following is the right command? A) talk friend@zoo.uvm.edu B) talk http://friend.uvm.edu/ C) talk friend/uvm/edu D) talk /racka4/u/ugrads/friend E) talk c:\friend\uvm\edu 15) Imagine you have a text file in your home or root directory on your account on zoo. You wish to include the file in an e-mail message. You get into the e-mail program, begin composing a message, and are ready to read the file in. Which of the following should you do to read the file into your e-mail message? A) Pine B) Pico C) Telnet D) Ctrl-R E) Ctrl-I 16) Imagine you wish to upgrade the memory in your PC. Which of the following will you add to your system? A) SIMMS B) Microprocessor C) Arithmetic-Logic Unit D) Pentium E) Motherboard 17) Imagine you have logged on to zoo and want to check to see what files are saved in your home or root directory of your account. Which of the following commands will show you your files? A) pico B) dir C) ls D) mesg y E) pine 18) Which of the following media holds the MOST amount of data? A) CD-ROM B) 3.5-inch Double Density diskette C) 8-inch Floppy diskette D) 3.5-inch High Density diskette E) Modern Hard disk in a PC 19) Which of the following CAN NOT be done to a write-protected diskette, through normal use? A) Save a file to the diskette B) Erase the diskette C) Infect the diskette with a virus D) All of the above E) None of the above 20) Which of the following storage abreviations refers to the LARGEST amount of storage space A) Kb B) Tb C) Mb D) Gb CDAE 85 QUIZ 2a Spring 1997 1a. Here's some QBASIC source code: SCREEN 9 A=500 B=30 C=20 CIRCLE(A,B),C When the above code is executed on a PC in lab, which of the following is closest to where the circle will show up on the screen: A) upper right B) lower left C) upper left D) lower right E) in the middle 2a. Here is some more QBASIC code: SCREEN 9 A=50 B=50 C=20 FOR I=1 TO 50 CIRCLE(A,B),C SLEEP 1 CLS A=A+10 B=B+5 NEXT I Which of the following best describes what the program will look like when you run it on one of the PCS in lab? A) a circle will move from left to right across the top of the screen. B) a circle will move from the top right to the bottom left of the screen. C) a circle will move from the top left to the bottom right of the screen. D) a circle will move from the bottom right to the top left. E) a circle will move from the bottom left to the top right. 3a. In which of the following software can you create, open, edit, or save a text file? A) Notepad B) Pico C) WordPerfect 6.1 for Windows D) QBASIC E) All of the above 4a. In lab, which of the following software did we use to upload our text version of the resume to our zoo account? A) Telnet B) FTP C) Pine D) Windows E) Pico 5a. Here is a binary number: 10101. Which of the following is it's decimal equivalent? A) 10 B) 21 C) 29 D) 42 E) 45 6a. Imagine this scenario: you are hired by the World Wildlife Fund to develop a computerized data base of endangered birds in Guatemala. You wish to set up a binary code so each endangered bird species has its own unique binary code. There are 301 endangered birds in Guatemala. Which of the following is the minimum number of bits you can use as a unit to code for the birds, so each bird species will have its own unique binary number? A) 3 bits B) 5 bits C) 8 bits D) 9 bits E) 10 bits 7a. Below is a representation of a Lotus 1-2-3 Spreadsheet: A B C D E Rent Phone Bill Chocolate Banjo Strings TOTAL $250 $25 $15 $10 | Assume your cursor is in the cell with the cursor. Which of the following is the formula to enter that would calculate the total expenses of the row? A) ADD(A1..E1) B) @SUM(A2..E2) C) A1+B1+C1+D1 D) @ADD(A2..D2) E) @SUM(A2..D2) 8a. Which of the following best describes a software license where you have a trial period of about 30 days to test the software. During this period you may copy the software, and give it to friends. After the trial period you are on your honor to register the software or send in the money for the full version. A) Freeware B) Shareware C) Tupperware D) Corningware E) Fully Licensed software 9a. When you are logged on to zoo, and you give the pwd command, you see something like: /uvm.edu/rackb1/u/ugrads/loginame/. Also, when you are using the software to upload and download files, in the upper right of the screen, you see the same: /uvm.edu/rackb1/u/ugrads/loginame/. Which of the following best describes what the "rackb1" stands for? A) the web address on zoo. B) the PC's Internet Protocol number C) zoo's microprocessor chip model number D) the hard disk drive volume on zoo of your account disk space. E) the hard disk drive volume on the local C: drive 10a. Imagine this scenario: You are in a Word Processor and want to convert the file on the screen into an ASCII text file. In which of the following main program menus would you most likely find what you are looking for to convert your wp file to a txt file? A) File B) Edit C) Format D) Tools E) Window 11a. The term "bug in a program" originally referred to which of the following? A) an insect caught in a relay switch. B) a mistake in assembly code caused by insects in a keyboard C) a programmer entering the wrong code in COBOL. D) an early computer virus that made tiny lady bugs crawl across the screen E) an acronym abbreviating "Basic Until-Goto" routines that were developed in the mid-1970s to speed up programming in Basic. 12a. Which of the following is NOT a programming language? A) ASCII B) Assembly C) C++ D) Fortran E) Logo 13a. Which of the following is NOT a spreadsheet application? A) Excel B) Quattro Pro C) Visicalc D) Lotus 1-2-3 E) Power Point 14 a. Which of the following programming languages is usually considered an interpreted language (rather than a compiled language)? A) Fortran B) Basic C) Cobol D) Pascal E) C++ 15a.ASCII stands for which of the following? A) American Society for Computer Information Interchange B) Association of Standard Computer Information Interchange C) American Standard Code for Information Interchange D) Association of Scientific Communication Information Integration E) American Society of Computer Illiterate Imbeciles 16a. Imagine you are using zoo to send an e-mail to someone. You want to include a file in the "Message Text" section of your e-mail. You use the Ctrl-R keys to get the prompt about what file to insert, but you cannot remember the file name. Which of the following can you type to immediately get a list of files on your home zoo directory? A) Ctrl-T B) ls C) dir D) Ctrl-D E) who 17a. Imagine you write a BASIC program with a line: For I=1 to 100000. You run the program and are left waiting while the computer tries to execute the code below 100,000 times. You get bored and want to stop the program. Which of the following could you do to stop the program? A) ESC B) Ctrl-Pause/Break or Ctrl-Scroll Lock C) Num Lock D) F2 E) There is nothing you can do, you must wait until all 100,000 cycles are finished. 18a. Imagine you are using Lotus 1-2-3 for windows (the version we used in lab). You want to "Go To" cell Z500. Which of the following menu choices will you find the "Go To" option? A) File B) Edit C) View D) Tools E) Window 19 a. Notepad is to Windows as which of the following is to UNIX (AIX)? A) pine B) telnet C) syscom D) regedit E) pico 20 a. Imagine you collect data on the number of coliform bacteria found in samples of Lake Champlain water taken from Perkin's Pier in Burlington. You have collected these data every Saturday afternoon for the past year. You decide to present your findings to the Lake Champlain Committee. Which of the following graph types would be most appropriate to show changes in number of coliform bacteria over time? A) Pie Chart B) Bar Graph C) Line Graph D) X-Y Scatterplot E) Radar Graph QUIZ 2b, CDAE 85, SPRING 1997 1b. Here's some QBASIC source code: SCREEN 9 A=30 B=300 C=20 CIRCLE(A,B),C When the above code is executed on a PC in lab, which of the following is closest to where the circle will show up on the screen: A) upper right B) lower left C) upper left D) lower right E) in the middle 2b. Here is some more QBASIC code: SCREEN 9 A=550 B=50 C=20 FOR I=1 TO 50 CIRCLE(A,B),C SLEEP 1 CLS A=A-10 B=B+5 NEXT I Which of the following best describes what the program will look like when you run it on one of the machines in lab? A) a circle will move from left to right across the top of the screen. B) a circle will move from the top right to the bottom left of the screen. C) a circle will move from the top left to the bottom right of the screen. D) a circle will move from the bottom right to the top left. E) a circle will move from the bottom left to the top right. 3b. In which of the following software can you create, open, edit, or save a text file? A) Lotus 123 B) Pine C) WordPerfect 6.1 for Windows D) QBASIC E) All of the above 4b. In lab, which of the following software did we use to upload our text version of the resume to our zoo account? A) Telnet B) FTP C) Pine D) Windows E) Pico 5a. Here is a binary number: 11101. Which of the following is it's decimal equivalent? A) 10 B) 21 C) 29 D) 42 E) 45 6b. Imagine this scenario: you are hired by the NASA to develop a computerized satellite imaging system. You wish to set up a binary code so each pixel in the image created has its own unique binary code. You also wish to have the imaging system recognize up to 500 different levels of brightness for each pixel. Which of the following is the minimum number of bits you can use as a unit to code for each pixel, so each pixel will have its own unique binary number that could potentially be any of 564 levels of brightness? A) 3 bits B) 5 bits C) 8 bits D) 9 bits E) 10 bits 7b. Below is a representation of a Lotus 1-2-3 Spreadsheet: A B C D E F G H I J In $ Food Drink Cat Choc. Books CDS Film total bal. $500 $85 $25 $5 $10 $15 $10 $12 $162 | Assume your cursor is in the cell with the cursor. Which of the following is the formula to enter that would calculate the balance ? A) =A2-I2 B) =A1 - @SUM(A2..I2) C) =A1 - (B1+C1+D1+E1+F1+G1+H1) D) =A2 - @ADD(A2..H2) E) =A2 - @SUM(B2..I2) 8b. Which of the following best describes a software license where you have a trial period of about 30 days to test the software. During this period you may copy the software and give it to friends. After the trial period you are on your honor to register the software or send in the money for the full version. A) Freeware B) Shareware C) Tupperware D) Public domain software E) Fully licensed software 9b. When you are logged on to zoo, and you give the pwd command, you see something like: /uvm.edu/rackb1/u/ugrads/loginame/. Also, when you are using the software to upload and download files, in the upper right of the screen, you see the same: /uvm.edu/rackb1/u/ugrads/loginame/. Which of the following best describes what the "rackb1" stands for? A) the web address on zoo. B) the PC's Internet Protocol number C) zoo's microprocessor chip model number D) the hard disk drive volume on zoo of your account disk space. E) the hard disk drive volume on the local C: drive 10b. Imagine this scenario: You are in a Word Processor and want spell check your document. In which of the following main program menus would you most likely find the spell checker? A) File B) Edit C) Format D) Tools E) Window 11b. Which of the following was the language that ENIAC was first programmed with in the late 1940s? A) BASIC B) Assembler C) Cobol D) Fortran E) Machine language 12b. Which of the following is a programming language? A) ASCII B) Assembly C) Unix D) DOS E) Lotus 1-2-3 13b. Which of the following is a spreadsheet application? A) FoxPro B) Power Point C) Quattro Pro D) MS-Access E) Lotus Approach 14b. Which of the following explanations best describes why application programmers usually use compiled languages (instead of interpreted languages) to create applications? A) Compiled languages are cheaper. B) Compiled languages use more efficient algorithms. C) The compiler takes up less disk space than the interpreter. D) Compiled languages keep the source code hidden. E) Compiled languages are easier to learn. 15b.ASCII stands for which of the following? A) American Society for Computer Information Interchange B) Association of Standard Computer Information Interchange C) American Standard Code for Information Interchange D) Association of Scientific Communication Information Integration E) American Society of Computer Illiterate Imbeciles 16b. The software that controls the flow of information inside the computer (the traffic cop that directs information between the CPU, disk drives, printers, monitors, etc.), best describes which of the following? A) Data base manager B) Terminal emulation software C) Operating system D) Programming language E) Software motivator 17b. Imagine you write a BASIC program and want to have the program pause for a very short period of time. You try the SLEEP 1 command, but the pause is too long. Which of the following can you use to have the program pause for a shorter period of time? A) SLEEP 0.5 B) PAUSE 1 C) CLS D) HOLD 0.5 E) FOR J=1 TO 200 NEXT J 18 b. Imagine you are using Lotus 1-2-3 for windows (the version we used in lab). You want to change the format of the numbers to have three places after a decimal point, like 3.142. Which of the following menu sequences would you use to get to Number Format in Lotus 1-2-3? A) File---> Number Format B) Edit---> Range---> Number Format C) Style---> Number Format D) Tools---> Range--->Number Format E) View---> Number Format 19b. Considering the typical file names and three letter file extensions, which of the following files is most likely NOT an example of an ASCII text file? A) CIRCLE.BAS B) README.TXT C) MYDATA.DAT D) QBASIC.EXE E) E-MAIL.DOC 20 b. Image you ask 152 UVM students what their favorite type of music is (Rock, Blues, Classical, Baroque, Bluegrass, Reggae, etc.). You decide to present your findings to The Cynic. Which of the following graph types would be most appropriate to show how many of the students prefer each type of music? A) Pie Chart B) Bar Graph C) Line Graph D) X-Y Scatterplot E) Radar Graph QUIZ 3A, CDAE 85, Spring 1997 1a. Imagine you are investigating the relationship between global temperature and tropical storm intensity. You access the United States Meteorological Weather Center Data Base and get the records of number of class 5 hurricanes per year and the average global temperature per year. The records go back to 1950. You are looking for a pattern to see if years with higher global temperature had more hurricanes. Which of the following graph types would you use to best display the relationship between temperature and number of hurricanes per year? A) Pie Chart B) Bar Graph C) Line Graph D) X-Y Scatterplot E) Radar Graph 2a. Which of the following best describe the types of signals found traveling inside the computer? A) serial and parallel B) digital and serial C) analog and parallel D) digital and parallel E) analog and digital 3a. Here's some html code: {html} {head} {title} Quiz Question {/title} {body background="back.jpg"} {/head} {body} {h1} HTML Source Code Example {/h1} {br} Here's a question for you{br} {/body} {/html} Imagine you are using Netscape in lab to view the source code above. Which of the following appears in the blue bar at the very top of the Netscape window? (See picture on board) A) title B) Quiz Question C) back.jpg D) HTML Source Code Example E) Here's a question for you 4a. Following along from the previous question. You upload the html file above to the directory on zoo that has your web files. You make the file public by changing the file permissions. You then go to Netscape to view it and discover the background does not work. Which of the following is NOT a possible explanation of the problem. A) forgot to upload back.jpg B) uploaded back.jpg as ASCII C) forgot to change file permissions for back.jpg D) the body background tag must be inside the {body} ... {/body} tags. E) you uploaded back.jpg to your root directory on zoo. 5a. Imagine you want to create a new Web page on zoo by going into the directory where your html files are stored on zoo, and use zoo's editor to create a new file. Which of the following Unix commands will get you from the root or home directory in your zoo account, into the directory that contains your Web htm and image files? A) pwd B) cd .. C) ls D) cd public_html E) switch down 6a. Following along from the last question, imagine you are now in the sub-directory on zoo that contains your web files. Which of the following Unix commands will open up the editor so you can create a new web file called new2.html? A) Open up Notepad, write the html source code, save as new2.html B) Double click on WordPerfect, write the html source code, save as new2.html C) pico new2.html D) ftp new2.html E) all of the above 7a. Which of the following includes the three major companies that are competing in today's software suite market (software suites include integrated Word Processing, Spreadsheet, Data Base Manager, and Presentation Graphics)? A) Lotus, WordPerfect & Novell B) Microsoft, Corel & Lotus C) Corel, AT&T, and Microsoft D) Word Perfect, Microsoft & Lotus E) Lotus, Microsoft & Adobe 8a. Which of the following physical media has the narrowest or smallest bandwidth? A) 10base2 thin ethernet cable B) thick ethernet coaxial cable C) fiber optic cable D) 10BaseT ethernet cable 9a. {h1} text {/h1} and {h2} text {/h2} are two different heading level html tags. Which of those tags will make text appear the largest on a web page? A) {h1} B) {h2} 10a. During lecture a few weeks ago I showed overheads of a Scientific American article that described an early Data Network that was set up in the late 1700s and early 1800s. Which of the following best describes what kind of Data Network this was? A) A Postal Service carrying letters on horseback B) A system of lights displayed at night from church steeples C) A system of towers with panels or wings that were moved into different positions D) A long series of wires and coffee-cans where people could talk to one another E) A relay of runners who carried stories from town to town 11a. The channel of signals inside the computer that travels from the Microprocessor to the RAM on the System Board, best describes which of the following? A) Modem B) SIMMS C) Data Bus D) Register E) Address Bus 12a. Here is an example of an e-mail address: bclinton@whitehouse.washington.gov. In this e-mail address which of the following components of the address would refer to the host computer that handles the e-mail traffic? A) bclinton B) @ C) whitehouse D) washington E) gov 13a. Which of the following hardware takes analog tones of a standard telephone system, and converts them into digital pulses? A) Serial Port on the PC system unit B) Modem C) Communication Software of the PC D) Microprocessor E) MMX RamDrive converter 14a. Here's an example of a URL: http://www.banjo.org/strings/soldiers_joy.html. In this URL, which of the following components refers to the name of the folder or directory on the www server that contains the Web file that gives the fingering and music to the tune "Soldier's Joy"? A) http: B) banjo C) org D) strings E) soldiers_joy.html 15a. Which of the following best describes the sum-check algorithm? A) The sum of the "one" bits in a packet are sent to the receiving machine that compares the sum sent to the number of "one" bits in the data block. B) An equation that adds up a sequence of bits is sent along with the data block. Periodically, the equation is executed and the answer is sent back to the sending machine to check if the sum is correct. C) The time in seconds is recorded from the time the data block is sent to when it is received by the other computer. Then the receiving computer sends the data back to the sending machine and the two times are compared. D) A copy of the data sent is echoed back from the receiving machine to the sending machine, where the two copies of the data are compared. 16a. Which of the following commands will move you up a level in a Unix directory structure (for example from your Mail/ directory to your root or home directory)? A) mv u B) cd .. C) pwd D) cp .. E) ls 17a. Imagine you are logged in to your home or root directory on zoo. You decide to copy the text file called quiz.txt into your sub-directory where all your web files are. At the same time you want to rename the quiz file to be called quiz.html, so you can make it into a web page. Which of the following will copy and rename the file on zoo? A) copy quiz.txt quiz.html B) mv quiz.txt ~/quiz.html/public_html C) cp quiz.txt ~/public_html/quiz.html D) copy ~/public_html/quiz.txt quiz.html E) pip quiz.txt /racka4/u/ugrads/yourname/quiz.html 18a. Which of the following best describes the method of error checking that was used in sending data from the Voyager spacecraft, as was described in the assigned Scientific American article reading entitled "Engineering Voyager II's Encounter with Uranus" ? A) The sum-check algorithm was used B) The parity-check algorithm was used C) The data were sent back in triplicate D) The data were echoed back twice and checked for consistency E) The Lawrence-Livermoor algorithm was used 19a. A computer "firewall" is best defined by which of the following? A) An asbestos shield or other protection for computer hardware in case of fire. B) A system to prevent unwanted e-mail, virus, or hacker attack. C) The steel housing that incases the system unit of a computer system. D) Software that sounds an alarm tone when the PC's microprocessor overheats. 20a. Which of the following is the old name for the rate of data transfer in bits per second? A) Hertz B) Baud C) Ping D) Patterson E) Modem QUIZ 3B, CDAE 85, Spring 1997 1b. Imagine you are investigating the relationship between global temperature and tropical storm intensity. You access the United States Meteorological Weather Center Data Base and get the records of number of class 5 hurricanes per year and the average global temperature per year. The records go back to 1950. You are looking for a pattern to see if years with higher global temperature had more hurricanes. Which of the following graph types would you use to best display the relationship between temperature and number of hurricanes per year? A) Pie Chart B) Bar Graph C) Line Graph D) X-Y Scatterplot E) Radar Graph 2b. Imagine you are surfing the web using the ALTAVISTA search engine and you discover a wonderful archive of image files. You can see the images as you scroll down the web page. You see one image you really want for your own web page. Which of the following methods did we use in lab to copy the image to your diskette? A) Double click on the image and choose Copy from the menu list B) Click once on the image, then pull down the File menu and choose Save to Diskette C) Hold the mouse down on the image, and drag the image to the diskette icon D) Pull down the file menu, and choose copy image. Then click on the image you want E) Right mouse click on the image and choose Save As 3b. Here's some html code: {html} {head} {title} Quiz Question {/title} {body background="back.jpg"} {/head} {body} {h1} HTML Source Code Example {/h1} {br} Here's a question for you{br} {/body} {/html} Imagine you are using Netscape in lab to view the source code above. Which of the following appears in the blue bar at the very top of the Netscape window? A) title B) Quiz Question C) back.jpg D) HTML Source Code Example E) Here's a question for you 4b. Following along from the previous question. You upload the html file above to the directory on zoo that has your web files. You make the file public by changing the file permissions. You then go to Netscape to view it and discover the background does not work. Which of the following is not a possible explanation of the problem. A) forgot to upload back.jpg B) uploaded back.jpg as ASCII C) forgot to change file permissions for back.jpg D) the body background tag must be inside the ... tags. E) you uploaded back.jpg to your root directory on zoo. 5b. Imagine you want to create a new Web page on zoo by going into the directory where your html files are stored on zoo, and using zoo's editor to create a new file. Assume you have changed directories to where your web files are stored. Which of the following editors could you use at this point to create your new web page on zoo? A) notepad B) pico C) windows word pad D) DOS edit E) Word Perfect 6b. Following along from the last question, imagine you saved your new web file and you go to Netscape to view it, by entering in the URL: http://www.uvm.edu/~yourname/new.html. The message displayed on the screen then says FORBIDDEN. Which of the following best explains why this message comes up, and how to fix it? A) The file protections need to be changed so the file is visible to everyone. Use the chmod command. B) The new.html file must be in your root or home directory, instead of in your public directory. You need to copy it from your root into your public directory C) The new.html file must be missing, you need to upload the file from diskette. D) Zoo must temporarily be down, so the disk drives are inaccessible. Try again later. E) You have run out of disk space on zoo. You need to talk to the accounts coordinator. 7b. Which of the follow is the presentation graphics software package that is included in the Microsoft Office 97 Suite? A) Freelance B) Corel Draw C) PC Paintbrush D) Power Point E) Adobe Photoshop 8b. Which of the following physical media has the broadest or widest bandwidth? A) 10base2 thin ethernet cable B) thick ethernet coaxial cable C) fiber optic cable D) 10 Base T ethernet cable 9b. {h1} text {/h1} and {h2} text {/h2} are two different heading level html tags. Which of those tags will make text appear the largest on a web page? A) {h1} B) {h2} 10b. During lecture a few weeks ago I showed overheads of a Scientific American article that described an early Data Network that was set up in the late 1700s and early 1800s. Which of the following best describes in what part of the World this early Data Network was set up? A) United States B) Europe C) China D) South America E) Japan 11b. The channel of parallel digital signals inside the computer that travel from the RAM to the Microprocessor on the System Board, best describes which of the following? A) Modem B) SIMMS C) Data Bus D) Register E) Address Bus 12b. Here is an example of an e-mail address: bclinton@whitehouse.washington.gov. In this e-mail address which of the following components of the address would refer to the host computer that handles the e-mail traffic? A) bclinton B) @ C) whitehouse D) washington E) gov 13b. Which of the following hardware takes analog tones of a standard telephone system, and converts them into digital pulses? A) Serial Port on the PC system unit B) Modem C) Communication Software of the PC D) Microprocessor E) MMX RamDrive converter 14b. Here's an example of a URL: http://www.banjo.org/strings/soldiers_joy.html. In this URL, which of the following components refers to the name of the folder or directory on the www server that contains the Web file that gives the fingering and music to the tune "Soldier's Joy"? A) http: B) banjo C) org D) strings E) soldiers_joy.html 15b. Which of the following reasons best explains why the Sum-check algorithm was NOT used for error checking in sending data back from the Voyager Space probe, as described in the assigned article reading from Scientific American? A) The sum-check algorithm is not as efficient at detecting errors as the method that was used. B) The amount of source code to program the sum-check algorithm was longer that what could be stored in the Voyager's memory. C) The sum-check algorithm had not been invented in the early 1970s when the Voyager was assembled. D) The sum-check algorithm only works on analog computers. E) The handshake-acknowledgment time would take too long. 16b. Which of the following commands will display on the screen your current Unix directory location (for example /uvm.edu/racka4/u/ugrads/yourname) A) cd B) ls -al C) pwd D) who /all E) cp 17b. Imagine you are logged in to zoo, and you are in your sub-directory where all your web files are stored. Which of the following UNIX commands will move you back to your root or home directory? A) cd .. B) ls -al C) cp .. D) cd public_html E) pop up 18b. Which of the following best describes the method of image compression that was used in sending planetary images from the Voyager spacecraft, as was described in the assigned Scientific American article reading entitled "Engineering Voyager II's Encounter with Uranus" ? A) The row and column locations of similar brightness pixels were recorded in a list. B) The pixels were recorded on a scale of 8-bits, with 256 possible measures of brightness for each pixel. C) The pixel bits were searched for with a pattern-recognition algorithm that coded long repeating sequences of bits with a smaller code. D) The reel-to-reel tape drive that temporarily stored the image data was periodically erased after the images were radioed to earth. E) The first pixel in a row was sent as a reference, then the difference in brightness of adjacent pixels were sent. 19b. Which of the following types of Modems is the OLDEST and SLOWEST? A) Acoustic-coupled B) Internal C) MMX-based D) Direct-connect E) Parallel to Serial Dial 20b. Which of the following speeds in bits per second would you be most likely find for most modems that are sold in computer stores today? A) 2400 B) 28,800 C) 128,000 D) 512,000 E) 1,024,000