1. Computer Test Review
Lessons 1 and 2

2. Which accurately describes a controller?
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.
c. It controls the transfer of data from a computer to a peripheral device.

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 ____.
text
diskettes
Images
numbers
diskettes

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.
software
data
instructions
diskettes
b. data

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

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

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

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

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

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

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
CPU
PICO
NANOS
RAM

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 .
diskette
protocol
data
microprocessor
d. microprocessor

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

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

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?
notebook computers
microcomputers
PDAs
mainframe computers
d. 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
motherboard
plotter
mouse
controller

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. hard disk drive hard drive hard disk
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 ____________.
electronic mail

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

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 ___________________.
ASCII American 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

51. A mouse must be connected to the computer with a cable or cord.
False