CHAPTER 2 Understanding Fungtions Operations Of Various ICT Devices

A.Multiple Choice 

  1.C.every input from 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.In ASCII code,by what code is letter W represented?

    Answer:The letter W is represented by number code 87

2.Name and explain all supporting devices insede a CPU?

  Answer:a.control unit is to translate commands or intructions in series and them continues them to the   entire computer parts

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 an application program

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

Answer:the abbrevition ROM is Read Only Memory,function is to save computer operation program,such as BIOS and botting

4.Name three example of network interface caA Network Interface Card(NIC) such as:ethernet,arcnet and token ring.
5. A Wired Network the types of cables such as: UTP cable(Unshielded Twisted Pair),STP cable(Shielded Twisted Pair),Coaxcial cable,Optical fiberrds?

Answer:

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


                                                                                       THANK YOU