COSC 1200, Computer Information Systems Spring 2000 Lecture Exam 1 Answers HOW TO FILL THE BUBBLE SHEETS: 1. If your bubble sheet is torn or folded the optical mark reader will not properly read it. See your instructor for another sheet. 2. Fill in your last name followed by a space followed by your first name and code your name in the bubble sheet 3. Put your Social Security Number in spaces A through I beneath your name, and code it in the bubbles. 4. Put your LAB section number in spaces K and L and code it in the bubbles. 5. Put your answers on side 1, the side with your name. Put your answers in the bubble sections marked 1 through 30. AFTER YOU COMPLETE THE EXAM: 1. Check to make sure that your name, social security number, and lab section number are properly entered in your bubble sheet. 2. Submit the bubble sheet to the COSC 1200 instructor in your exam room. You may keep the exam. CHECK YOUR TEST TO MAKE SURE THE PAGES ARE IN THE PROPER ORDER. For each of the following questions, choose the best possible answer from choices a - e, and code your choice on the answer sheet. 1. a. b. c. *d. e. The microprocessor of a PC refers to a computer chip that contains the data bus, the CPU and ROM the operating system, RAM, and the ALU the control unit, RAM and ROM (read only memory) the control unit (CU), the arithmetic logic unit (ALU), and registers the local bus, RAM, and the CPU 2. a. b. c. The primary purpose of an operating system is formatting diskettes d. data compression recovering damaged files *e. managing computer system resources copying, moving, deleting and renaming files and folders 3. Plug and play capabilities mean the operating system automatically sets up the ________________________ for the peripheral equipment plugged into the system. a. language translators *b. device drivers c. virtual memory size d. register size e. utility programs 4. a. b. c. To process a large program, a computer may go through its machine cycle only once. d. until power is cut off. up to ten times. *e. millions of times. once per second. Use the following computer ad specifications to answer the questions 5 through 14 Pentium III 500 MHz with MMX 64 MB SDRAM 8 GB EIDE Hard Drive 40X CD-ROM Imation LS-120 SuperDisk drive 17” .28 dp 1024 x 768 monitor Microsoft Windows NT 4.0 Microsoft Office Professional 2000 5. a. b. c. The microprocessor completes _______________ clock cycles per second. 64 d. 5,000,000 64,000,000 *e. 500,000,000 5000 6. a. b. c. *d. e. MMX refers to registers on the microprocessor that store the most often accessed information. the connection between machine cycles and clock speed. the microprocessor’s reduced instruction set code on the microprocessor that accelerates multimedia processing. the bus width of the internal data bus. 7. a. *b. c. 64 MB SDRAM means that the cache memory size is 64 MB d. the system has 64 MB of dynamic ram e. the bus width transfer rate is 64 MB per second 8. a. b. c. d. *e. EIDE is the size of the hard drive. manufacturer the hard drive. cache memory stored on the hard drive. type of disk controller that allows you to connect many devices from a single board. type of disk controller that is inexpensive and allows for four device connections 9. a. b. *c. The SuperDisk drive can read DVDs d. can store a 1 GB of information on a single disk can read CD ROMs e. c and d can read and write to both 3.5” diskettes and SuperDisks 10. *a. b. c. In the description of the monitor, .28 dp (dot pitch) describes the distance between the pixels in millimeters d. the screen size the video card speed e. the resolution refreshment rate the type of connection between the computer and the monitor 11. a. b. c. *d. e. The 40X CD-ROM means that the CD speed is 40 times faster than the speed of the microprocessor the device can write to the CD 40 times faster that it can read from the CD the CD runs 40 times faster than the hard drive the CD runs 40 times faster than the original CD produced by the manufacturer the CD reads 40 gigabytes per second the level 2 cache is 64 MB the static ram manufacturer is SDRAM 12. If the purchaser of the above system wants to run Windows NT, Word, Excel, Access, and several computer games concurrently (at the same time), he/she may want to a. get a faster CD-ROM drive d. get a larger hard drive b. get a bigger monitor *e. add more RAM c. change the operating system to MS-DOS 13. *a. b. c. d. e. The operating system sold with the computer described in the ad has multitasking capabilities includes a suite of full featured productivity software can support only one processor is best for home use because of it’s plug and play capabilities must have MS-DOS to run 14. a. *b. c. The application software sold with the computer described in the ad does not include Microsoft Access d. is shareware is proprietary software e. includes compilers and interpreters is referred to as an integrated package 15. a. *b. c. It takes approximately a___________________ of computer storage to store a single character. bit d. megabyte byte e. gigabyte kilobyte 16. a. b. c. d. *e. Which statement is true regarding the size of a computer word? Word size varies with each use of a computer. Word size is dependent on the size of the hard drive. All computers have the same word size. A computer word is a group of 8 bits. A computer word is the number of bits that can be held by the registers and processed as a single unit. 17. Jeremy is a student at the University of Wyoming using the student lab system. He adds the office toolbar to his desktop. He also changes the wallpaper (background ) and adds several shortcut icons to his desktop. He notices that every time he logs in, no matter where he is, his desktop retains his customized settings. This is because the Windows NT operating system provides him with a set of files called his *a. user profile d. compiler b. task bar e. browser c. desktop development tool 18. *a. b. c. d. e. Instructions stored in ROM provide the computer with instructions during the startup process are erased when power is turned off to the computer can be changed by the user. are modified by the operating system each time you turn on your computer all of the above 19. a. b. c. Sockets that allow you to plug in external hardware devices are called expansion slots *d. ports single inline memory modules e. expansions buses coprocessors 20. A processor design architecture that incorporates fewer instructions in CPU circuitry than conventional computer systems, is referred to by which of the following acronyms? *a. RISC d. SCSI b. SVGA e. MMX c. CISC 21. Which is the correct order for a ranking of the storage capacity (from smallest to largest) of the following storage medium? a. 3.5" diskette, jaz disk, zip disk, 6 GB hard disk d. 3.5" diskette, 6 GB hard disk, zip disk, jaz disk b. jaz disk, 3.5" diskette, zip disk, 6 GB hard disk *e. 3.5" diskette, zip disk, jaz disk, 6 GB hard disk c. 6 GB hard disk , 3.5" diskette, jaz disk, zip disk 22. Allyson is grading tests after the COSC 1200 exam using an automated device, which grades the exams by passing a light beam over the answer key, recording the amount of reflected light in memory and comparing subsequent exams to the answer key data in memory. This technology is which type of source data automation? a. Magnetic Ink Character Recognition d. laser magnetized input *b. optical character recognition e. biometric character reader c. exam sensor input 23. a. b. c. *d. e. Which of the following statements regarding CD-Rs and CD-RWs is true? CD-RWs have a larger storage capacity than CD-Rs CD-RWs can play DVD movies and CD-Rs cannot CD-RWs can write to optical disks and CD-Rs can only read optical disks CD-RWs can rewrite an optical disk and CD-Rs can only write once on an optical disk CD-RWs must be attached to SCSI controllers and CD-Rs must be attached to IDE controllers 24. *a. b. c. VGA and SVGA are examples of standards for display devices standards for printers disk controller standards d. e. output specifications for dot matrix printers different types microprocessor architectures 25. _______________________ are favored mostly for producing multipart forms like those for invoices and many government forms. a. Laser printers d. Electrothermal printers b. Ink jet printers e. Thermal-transfer printers *c. Dot matrix printers 26. a. *b. c. When buying a printer, dpi refers to the speed of the printer the clarity of the printed characters the dynamic page interval 27. a. b. *c. Why do diskettes have to be formatted before they can store data? to increase the density of the diskette d. to allow for sequential access to data to defragment the tracks and sectors e. all of the above to organize the diskette into addressable storage locations 28. a. b. c. *d. e. Voice recognition devices represent a technological challenge because computers can't hear. audio signals stored in secondary storage will corrupt data on the hard drive. the data bus can carry audio signals but the microprocessor cannot process them. different people use different speech patterns and individual words cannot always be distinguished by the computer. none of the above 29. a. b. c. _________________ convert photographs, drawings, and documents into digital data. Optical character readers d. Light pens Sensors *e. Image scanners Digital video disks 30. a. *b. c. d. e. In Word, a section break is needed when you insert a table allows you to change page formatting options on portions of a document. causes Word to ignore paragraph formatting when advancing the insertion point to the next line is used when inserting graphics in the header or footer inserts a section of one document into another document d. e. the printer’s network card specification the printer’s memory size