Chapter 2. Understanding Functions and Operation of Various Information and Comunication Technology Devices

Multiple Choice
1. A
2. C
3. B
4. B
5. E
6. E
7. C
8. B
9. A
10. C

Esai
1. In ASCII code, by what code is letter W represented?
2. Name and explain all supporting devices inside CPU.
3. What is the abbreviation and the functions of ROM?
4. Name three examples of network interface cards.
5. Name several cables that use on a wired network.


1. The letter W is represented by the number code 87
2. a. Control Unit is to translate commands or instruction in a series and then to the entire computer parts. This part is how the processor controls the entire computer operation
    b. Arithmetic Logic Unit (ALU) is to process data by adding, substracting, comparing and using logical formulas.
    c. Memory is to collact or to store data to run an application program. the capability depends on the memory capacity, which is started in Byte, KByte, MByte ang GByte unit.
3. ROM (Random Access Memory) is to save computer operation program, such as BIOS and booting.
4. Ethernet, Arcnet and Token Ring.
5. a. Thin Ethernet (Thinnet)
    b. Thick Ethernet (Thicknet)
    c. Twisted Pair Ethernet
    d. Fiber Optic