Friday, 4 January 2013

Keyboard
A keyboard contains keys that allow a user to eneter data and instructions into the computer . All keyboards have the typing area the numbers and letters, punctuation marks, and other basic keys.  Many desktop keyboards  also have a numeric keypad located
 on the right side of the keyboard. A standard computer  keyboard is sometimes called a QWERTY keyboard because of the layout of its typing area which is similar to that of a typewriter

   
ASCII
{American Standard Code For Information Interchange} THIS IS PROBABLY THE MOST POPULAR STANDARD AROUND 

Example: the character A would be represented as 010000012  (6510)
Formatting a Diskette
When you format a disk, you divide the disk into areas called tracks and sectors

Steps to Formatting disk

  • Insert the disk into the flopppy drive.
  • Double click on my computer. 
  • Right click on the drive you want to format.
  • Select format from the  menu .
  • Choose the full option. You may choose quick on a disk that has already been used, but it does not check the disk for errors and so is not generally recommended
  • Enter a label for your disk if you wish. you may use up to 11 letters and/or numbers.
  • If this disk will be used to boot your pc, check the box marked'copy system files' to format the disk  as bootable.
  • Click the start button 
  • View the results to make sure the disk was properly formatted. 
  • Click the close button on the results window.
  • Click the close button on the format window.



Word processing
word processing program is used most for  writting letters, students  doing homework etc 

You can change the text- colour, size, bold, underlined, italic and format. you can copy and paste.

there is the grammar check too if you made a mistake and you don't  know it will be underlined with red so you can change the word

There is so many word processing programs  for example: windows office word, open office etc 

   
What is a computer?

A computer is a machine that can be programmed to accept data (input)  and process it into info (output)  




A computer has an extra feature the storage so the computer can store info



Input.

Is the process of entering data into the  computer. One of the most common devices is the keyboard. Others: mouse, printer