Chapter 2 Understanding Functions And Operations Of Various ICT Device

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

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

Answer :
1. The letter W is represented by the number code 87.
2. a. Control Unit is to translate commands or instructions in a series and then continues them to the entire computer parts.
b. Arithmetic Logic Unit (ALU) is to process data by adding, substacting, comparing and using logical formulas.
c. Memory is to collect or to store data to run an application program. The capability depends on the memory capasity, with is stated in Byte, KByte, MByte ang GByte unit.
3. ROM is Read Only Memory. The function of ROM is to save computer operation program, such as BIOS and booting.
4. There are several NIC (Network Interface Card) types in the market, such as: ethernet, arcnet and token ring.
5. There are several types for cable for this computer network, namely:
a. UTP Cable (Unshield Twisted Pair)
b. STP Cable (Shielded Twisted Pair)
c. Coaxial Cable
d. Optical Fiber