Chapter 2. Understanding Functions And Operations Of Various ICT Devices

A. Multiple coiche

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 Choice
1. In ASCII code, by what code is letter W represented ?
- Letter W is represented by the number code 87
2. Name and explain all supporting device inside a CPU.
- ROM (Read Only Memory) is a permanent memory that can be read but cannot be update.
- RAM (random access memory) is a temporary memory.
3. What is the abbreviation and the function of ROM ?
- ROM is Read Only Memory.
- The function of ROM is to save computer operation program, such as BIOS and booting.
4. Name three examples of network interface card.
- Topology Bus
- Topology Ring
- Topology Star
5. Name several cables that use on wired network.
- UTP Cable (Unshielded Twisted Pair)
- STP Cable (Shielded Twisted Pair)
- Coaxial Cable
- Optical Fiber