Understanding Functions and Operations of Various Information and Communication Technology Devices

A. Multiple Choice

1. A.    6. E.
2. C.    7. C.
3. B.    8. B.
4. B.    9. A.
5. E.    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 cables that use on wired network !

Answer :
1. W is represented by the number code 87.

2. a. Monitor / Display
        A monitor is to display information in visual form, using image and text.
    b. Printer
        Printer is an output device to produce the result of computer process in text or graphic on paper (in a  printer form).
    c. Speaker
        A speaker is an output device which produces sound signal.
3. ROM = Read Only Memory
    ROM is to save computer operation program.
4. Network Interface Card (NIC) there are Ethernet, Arcnet, and  Token Ring.
5. Wired Network there are :
    a. UTP Cable (Unshielded Twisted Pair)
    b. STP Cable (Shielded Twisted Pair)
    c. Coaxial Cable