Chapter 2 Understanding Fustions and operation Of various ICT devices

       A. MULTIPLE CHOICE
Choose the correct answer

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

B. ESSAY
Answer the flowwig questions correctly

1. In ASSCII code, by what code is letter W represented?
2. Name and explain all supporting devicesinside a CPU.
3. What is the abbrevation and the function of ROM?
4. Name three examples of network interface cards.
5. Name saveral cables that use on a wired network.

Answer :

1. The letter w is represonted by the number code 87.
2.  If the CPU (cassing) so supported by keyboard, monitor, speaker, and mouse
3. ROM ( read only memory ). ROM is to save computer operation program, such as BIOS and booting.
4. There are several NIC types in the market ,such as: Ethernet, Arcnet, and Token ring.
5. There are several types of of cables for this computer network,namely. 

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