Chapter 2 Understanding Functions and Operations of Various ICT Devices

Page.77-79

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?

   -Code 87

2.Name and explain all supporting devices insde a CPU.

   -Control  unit is to translate commands or instruction in a series and then continues them to the entire computer parts.

   -Arithmetic Logic Unit (ALU)is to process data by adding, substracting, comparing and using logical formulas.

   -Memory is to collect or store data to run an application program.

3.What is the abbreviation and the function of ROM?

  -ROM is Read Only Memory.

  -ROM is to save computer operation program.

4.Name three examples of network interface cards.

  -Such as: ethernet, arcnet and token ring.

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

  -UTP cable, STP cable, Coaxial cable, and Optical fiber