CHAPTER 2 . Understanding Functions And Operations OF Various Inforamtion And Communication Technology Devices

A. Multiple Choice :

1) A. Every input that is received by a computer

2) B. Data that is received by a computer

3) B. User-Input-CPU-output-user

4) B. Base-2 number system

5) E. 0 and 1

6) E. 8

7) C. Speaker

8) B.Control Unit

9) A. LAN

10) C. Ring topology


B. ESSAY:


1). W is represented by the number code 87

2). a. Control unit is to translate commands or instructions 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 application program. The Capability depends on the memory capacity, which is stated in Byet, KByet, Mbyet, and Gbyet unit

3). ROM = Read Only Memory is to save computer operation program such as BIOS and booting.

4). Ethernet, Archnet, Token Ring

5). @ UTP Cable (UNshielded Twisted Pair)
@ STP Cable (Shielded Twistwd Pair)
@ CoaxcialCable
@ Optical Fiber