Chapter 2 Understanding Functions Of Vorious ICT Devices

A. Multiple Choice
1. A.every input that is received by a computer
2. A. an input thats is received by a computer
3.B. user-input-CPU-output-user
4. B. base-2 umber system
5. E. 0 and 1
6. E. 8
7. C. speaker
8. B. control unit
9. B. Man
10. C. ring topology

B.Essay
1.The letter W is represented by the number code 87.
2. A. control unit is to translate comands in a series and then continoues them to the entire computer prats.
B. arithmetic logic unit (AU) is tto process data by adding, substractig, comparing, and using logical formulas.
C. memory is collect data to run an appliction program. the capability depens on the memory capacity, which is state in byte, kybte, mybte and gbyte unit.
3.ROM (Read Only Memory). ROM is to save computer operation progrm, such as BIOS and booting.
4.ethernet, arcnet, and token rig.
5.-utp Ccable (UNSHILED TWISTED PAIR)
-STP cable (shielded twisted pair)
-Coaxial Cable