Monday 1 October 2012

general computer part 1

GENERAL COMPUTER LECTURE 1st of October
The computer and its part.
WHAT IS COMPUTER
1.      A computer can be defined as an electrical machine. Which accept data via input device, process data via process device and gives out data via output device. 
  1. Accept – Typing and Scanning.
  2. 2.      Process – C.P.U, Processing
  3. 3.      Output – Printing and E-mailing.

PART OF A COMPUTER
1.       Input device
2.       Processing device
3.       Output device
INPUT DEVICE
This is device that gets data into the processing unit for the output to work with. e.g keyboard ,mouse, scanner, joystick and light pen, USB,C.D and DVD, Microphone.
PROCESSING DEVICE
Processing devices serves as intermediary for input and output. It is the central processing unit =C.P.U it comprises of the memory, mother board, power park, hard disk, C.D, or D.V.D drive, floppy disk drive  and lots more.
OUTPUT DEVICE
This is the main result giver of the work that input has sent to the processor. This is such as the monitor, printer, speaker, E-mail message.
   Input device
  1.       Keyboard
  2. .     Mouse
  3.       Scanner
  4.    Joystick
  5.     Light pen
  6.      U.S.B web camera
  7.     Compact
  8.    Digital video disk
  9.   Microphone
(2.) Processing devices
·         Memory
·         Mother board
·         Power pack
·         Hard disk
·         Compact disk drive
·         Digital video disk drive
·         Floppy disk drive
·         US.B ports
·         Auxiliary
·         Processing fan
(3) Output devices
·         Monitor
·         Printer
·         Speaker
·         Email sending
Storage Device 
 This are the devices meant to save, keep data from reference purpose or later use anywhere.
·         The floppy disk
·          The flash
·          The tape
·         The compact disk(CD)
·         The digital video disk(D.V.D)
USING YOUR COMPUTER
It is said and to be believed that your computer should be on every second to allow efficient work and to enjoy your computer work.
  Without electricity your computer cannot function. If you are using a uninterrupted power  supply that is also been charged with electricity, let look into the aspect of a laptop that have a assess of a battery without it been charged with electricity it will also not function. So you should   have that in mind that when you are referring to your computer or defining it, make sure you start with that sentence it an electronic devices.
FILE AND FILE TYPES
·         CDR  Corel draw
·         JPG For photo
·         WMA For music window media application
·         GIF For photo or animation
·         PT  For power point presentation
·         M.S For micro soft  document
·         And lots more
N.B That WMA can’t be open and corel draw which is CDR that is what you should understand there
Like wise m.s cant open on power point which is pt file.
That is what you should understand with files and file type
RECYCLE BIN
Its a folder that keeps deleted items to it self for restoration or complete delete.
So you should understand that when you delete any folder or file you can refill restore it form the recycle bin or delete it totally.
SAVING YOUR FILE WITH EXTENSION
Saving with extension simply means saving document in to two or more folder.
After you have saved your work into a folder before, you can also save into another folder by using your ‘’save as’’ option in your office button or in file on any package apart from Microsoft you will surely save ‘’save as’’ on the drop down below save itself.
FUNCTION KEY
This are the f1 to f2 on your keyboard before your computer gets to the window it may ask you to press ‘’f1 to boot or ‘’f2’’ to boot as well ‘’f12’’ to enter setup or ‘’f9’’ and most computer do use ‘’f10’’ to save changes when you are through with setup
to give comments you will need a google account, so why not follow steps on how to create a google account here too, coz you will have the previllegde to ask questions and you get answers too, very easy that will be on the next blog
lots more blogs to find are
  1. DESKTOP PUBLISHING: that contains how to create folders, and lots more.
DOVER WILL SURPRISE YOU.
if you like this and you see it very usefull why not click that link like my school afn page, also comment with your google account.
love you all.v

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