Chapture 2 Understanding Fungsion And Of Various ICTdevices

A. Multiple Choice

1.a. Every input that is received by a computer
2.c. The computer processing result
3.b. User-input-CPU-outout-user
4.b. Base-2 number 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.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 a wired network.

ANSWER

1.Code 87
2. a. a CPU socket,which is where a microprocessor is placed
    b.a memory slot,which is where a computer memory is placed
    c.a chipset,whuch is a chip that regulates the interaction among devices
    d.an expansion slot,such as PCI,AGP,and PCI express
    e.a power connector to receive electrical input from the power supply unit(PSU) and then distributes the electricity to all connecting devices
3.ROM(Read Only Memory)
   ROm is to save computer operation program,such as BIOS and booting
4.Ethernet,arcnet,token ring
5.UTP cable,STP cable,Coaxial cable