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Selasa, November 16, 2010

Chapter 2. Various Information and Communication Technology Devices

Evaluation Of Chapter 2 Page 76-79

A. Multiple Choice Question
  1. a. Every input that is received by a computer
  2. d. The computer organizing computer
  3. b. User-Input-CPU-Output-User
  4. b. Base-2 number system
  5. e. 0 and 1
  6. e. 8
  7. c. Speaker
  8. b. Control Unit
  9. a. LAN
  10. c. Ring topology

B. Essay Question

1. In ASCII code, by what code is letter W represented ?
Answer : Letter W is represented by the number code 87

2. Name and explain all supporting device inside a CPU.
Answer : 
a. ROM ( Read Only Memory ) is a permanent memory that can be read but can't be update.
b. RAM ( Random Access Memory ) is a temporary memory.

3. What is the abbreviation and the function of ROM ?
Answer : ROM is Read Only Memory. The function of ROM is to save computer operation program, such as booting.

4. Name three examples of network interface card.
Answer : Ethernet, Token Ring, FDDI (Fiber Distributed Data Interface).

5. Name several cables that use on wired network.
Answer : 
a. UTP Cable (Unshielded Twisted Pair)
b. STP Cable (Shielded Twisted Pair)
c. Coaxial Cable
d. Optical Fiber

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