A.
1.a
2.c
3.b
4.b
5.e
6.e
7. c
8.b
9.a
10.c
B.
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 and explaint 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 instruction in a series and then continues them 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 collect or to store data to run an application program. the capability depends on the memory capacity, which is stated in Byte, KByte,MByte, and GByte unit.
3. ROM (Read Only Memory) is a permanent memory than can be read but cannot be update. ROM is to save computer operation program, such as BIOS and booting.
4. ethernet, arcnet, and token ring
5. a. UTP Cable
It consists of a pair of plastic wrapped conductor ans each is colored.
b. STP Cable
STP cable is similar with UTP cable, except that it has double wrap.
c. Coaxial Cable
Coaxial cable consists of a main copper conductor with three wraps.
d. Optical Fiber
Optical Fiber is made of plastic or glass that acts as a medium for signal transmission in the form of light.
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