Chapter 2 Understanding Functions and Operations of Various ICT Devices

A. Multiple Choice
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??

• Letter W is represented by number code 87

2. Name and explain all supporting devices inside a CPU!

• a. Control Unit, is to translate commands or intructions in a series and then continues them to the entire computer parts. This parts 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 formula.
• 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. What is the abbreviation and the fucntion of ROM??

• ROM (Read Memory Only) is a permanent memory that can be read but cannot be update. ROM is to save computer oertaion program, such as BIOS and booting
  

4. Name 3 example of network inteface cards!

• Ethernet
• Arcanet
• Token Ring

5. Name several cables that use on a wired network!

• UTP Cable (Unshielded Twisted Pair)
• STP cable (Shielded Twisted Pair)
• Coaxial Cable
• Optical Fiber