Basic Information of Computer & Material

vWhat is Computer ?

- Computer is a device made of electrical circuts which process data into meaningful information under the control step by step arranges as programme.

vParts of Computer : Input, Process & Output .

Input: Mouse, keyboard, Scanner;  process: CPU;  Output: Monitor, Speaker, Printer 

vHardware & Software

vMemory : Bit, Bites, KB, MB, GB,TB ...........

vOperating System and Application: Ms-Dos,

Ms-Window, Ms-Office, Pagemaker,Photo-shop ect.

v  Windows key:

  

Ctrl+F4  or Ctrl + w or Alt + space+ C --- Close window ;         

F5 …… Refresh

F2 ………  rename file name;    Fn+F6 --- Sleep

Fn+F7 ------ Mouse show/hide;  Fn+F11--- number  

Win+space ----------  Layout language change

Win+left/right arrow key…Split windows left/right

Win+Prtsc ------- ScreenShot

Ctrl+Alt+Arrow Key ----   Turn windows view

Window + '+' -----Zoom in screen

Window + '-' -----Zoom out screen

Ctrl + T -------- open new Tab

Ctrl + J ------ Show download file

#About Computer