Chapter 2 Understanding Funcsion and Operating Various ICT Devices

A.Multiple Choice
1.A
2.C
3.B
4.B
5.E
6.E
7.C
8.A
9.A
10.C

B.Esai
Answer the following questions correctly.
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 fuction of ROM?
4.Name three examples of network interface cards!
5.Name several cables that use on a wired network!
ANSWER
1.The letter W is represented by the number code 87.
2.a.A CPU socket,which is where a micropocessor is placed.
b.A memory slot,which is where a computer memory is placed.
c.A chipset,which 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 electrial input from the power supply unit(PSU) and then distributes the electricity yo all conection devices.
3.ROM(REad Only Memory)
ROM is to save computer operation program,such as BIOS and booting.
4.ethernet,arcnet,and token ring
5.Wired network
a.UTP cable
b.STP cable
c.Coaxial cable
d.Optical fiber
e.wireles network

evaluation of chapter 1

  Multiple Choise
1.A.softwere
2.C.to set computer software operation
3. E.Adobe photoshop
4.C.turning on the CPU by pressing the Restart button on the cassing
5.A.shut down
6.C.choose the delete button
7.D.storage device
8.C.reset
9.A.clickstart menu,select ALL Programs,click Microsoft office
10.B.double cliking Exel shortcut
ESSAY
1.-ensure that all power cable in computer are connected
  -turn on the CPU by pressing the on or power button on the casing
 -turn on the monitor by prassing the one or poewer button on the monior
-wait until the booting procedure is finised,which is show by the destop appearance on the monitor screen
2.Restsrt,which is shutting down the computer then repeating to re boot.this is useful when computer hangs or slowing down
3.-by using shortcuts on the destop
  -by using start menu
 -by using the related document
4.word processor is software for documenting letter,books,report,thesis,work papers,etc.for example Microsoft office 2007,OpenOffice.org,and Abiword
5.-using calculator to calculate Mathematical operation
  -Using paint for simple drawing
 -using Wordpad to type simple documents