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Computer Test Review

Computer Test Review. Lessons 1 and 2. Which accurately describes a controller?. c. It controls the transfer of data from a computer to a peripheral device. a. It controls the RAM, which allows you to measure machine cycles. b. It controls data on the ROM .

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Computer Test Review

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  1. Computer Test Review Lessons 1 and 2

  2. Which accurately describes a controller? c. It controls the transfer of data from a computer to a peripheral device. a. It controls the RAM, which allows you to measure machine cycles. b. It controls data on the ROM. c. It controls the transfer of data from a computer to a peripheral device. d. It is measured in pico seconds.

  3. A notebook computer is usually larger than a personal computer. • False

  4. A(n) ______________ is the type of computer used at home or at the office by one person. • microcomputer • personal computer • desktop computer

  5. The memory on the motherboard is short term. • True

  6. RAM is volatile. • True

  7. All of the following are types of data except ____. diskettes • text • diskettes • Images • numbers

  8. ___________ allow outside organizations to access internal information systems of another organization. • Extranets

  9. In a computer system, ____ is the information that is entered into the computer. b. data • software • data • instructions • diskettes

  10. The ____ cycle refers to the amount of time it takes a CPU to execute an instruction and store the results. d. execution a.machine b. instruction c. system d. execution

  11. Which number would you find in binary code? a. 1 a. 1 b. -1 c. 2 d. 22

  12. Which of the following is NOT a type of operating system for personal computers? Adobe Abscam • Adobe Abscam • Microsoft Windows • Mac OS • DOS

  13. A ____ is an example of an optical storage device. CD-ROM • CD-ROM • floppy diskette • Jazdrive • network drive

  14. Which is NOT part of a computer system? a. mainframe technology a. mainframe technology • people • Hardware • data

  15. ____ are special instructions that control the activities of a computer. c. Programs a. CPUs b. Chips c. Programs d. ALUs

  16. In a computer system, ___________ is the intangible set of instructions that tells the computer what to do. • software

  17. Optical storage devices use laser technology to read and write data. • True

  18. The more ____ that your computer has, the faster it processes data. RAM • RAM • CPU • PICO • NANOS

  19. Mainframe computers are the largest and most powerful category of computers. • False

  20. Expansion boards are also called expansion _____________. • cards

  21. A computer system consists of many components working together. • True

  22. A ____ is a computer chip that performs a special function in an appliance or other device . d. microprocessor • diskette • protocol • data • microprocessor

  23. A microprocessor connects one computer to other computers and peripherals. • False

  24. Which is usually the smallest computer? c. PDA • personal computer • PC • PDA • notebook computer

  25. A byte comprises ________bits. • 8

  26. The acronym "PDA" stands for __________________________. • personal digital assistant

  27. Home computers are the least popular kind of computer today. • False

  28. Which would be used for centralized storage? d. mainframe computers • notebook computers • microcomputers • PDAs • mainframe computers

  29. The combination of parts that work together in a computer are called the computer ___________. • system

  30. A computer is an electronic device. • True

  31. In a computer system, the ____________ is the tangible, physical equipment. • hardware

  32. A ____ is a device that controls the transfer of data from the computer to a peripheral device or vice versa. controller • controller • motherboard • plotter • mouse

  33. A minicomputer is usually larger than a microcomputer. • True

  34. ______________, or rules, govern the orderly transfer of data within data communications. • Protocols

  35. In data communication, it is the _____________ that carries the message. • channel

  36. Wide-area networks contain many local area networks. • True

  37. Reliability and ______________ are major advantages of using an intranet. • security

  38. The CPU has two primary sections: the control unit and the ______________/logic unit. • arithmetic

  39. The processor is the "brains" of the computer. • True

  40. A(n) ____________ is a type of storage media used to store large amounts of data inside the computer. • hard disk drive • hard drive • hard disk

  41. A(n) ___________ is an opening on the motherboard where a circuit board can be inserted. • expansion slot

  42. The most commonly used feature of the Internet is ____________. • e-mail • electronic mail

  43. Which process does a computer do? produces a result • produces a result • files definitions • creates memory • displays storage

  44. Computers are classified by size, storage capacity, and application. • False

  45. The ___________ is an example of a device that can perform both input and output functions. • modem

  46. The most popular code system is ___________________. • ASCIIAmerican Standard Code for Information Interchange

  47. The joystick is the most common input device for entering numeric and alphanumeric data. • False

  48. Microcomputers usually are classified by the type of _________ system they use. • operating

  49. The _________ unit coordinates all activities from the CPU. • control

  50. The facts or information entered into a computer to be processed is the __________. • data

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