Kamis, 21 Oktober 2010
Evaluation of chapter2 understanding functions and various ICT devices

A. Multiple Choice ( ICT)
Page 76-79

1.A
2.C
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 insida a CPU.
3. What is the abbreviation and the function of ROM.
4. Name three exampels of network interface cards.
5. Name several cables that use on a wired network.
Answer:
1. By the number code 87
2. a. Cntrol unit is translate comamands or instructions in a series and than continues them to the entire computer parts. This part is how the processor controls the entire computer operation.
b. Arithmatics logic unit (ALU) is to process data by adding, substracting, comparing an using logical formulas.
c. Memory is to collect or to store data to run an application program. The capability depends on the memory capasity, which is staterd in Byte, kByte, and GByte unit.
3. ROM (Read only memory). ROM is to save computer operation program, such as BIOS and booting.
4. Examlpe the Network Interface Card is ethernet, arcnet, and token ring.
5.a. UTP Cable (Unshielded Twisted Pair)
b. STP Cable( Shielded Twistwed pair)
c. Coaxial Cable