MOUSE

MOUSE

Unknown   March 30, 2017   Comment  

INTRODUCTION TO COMPUTER PART 7.

Mouse Is the main input devices which used to enter data or information in the computer. Main function of mouse use to opening a file or folder in the computer.

PARTS OF MOUSE.

There are three parts of Mouse.

• Left button mouse.
• Scroll wheel mouse.
• Right button mouse

BUTTON	FUNCTIONS
Left button	This button used to select a contents on the computer, also used to open a files and folders.
Right button	This button used to show a more options such as open, delete, cut, copy and other option on the computer.
Scroll wheel	This part used to preview a page Up and page Down.

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HOW TO TURN OFF A COMPUTER

HOW TO TURN OFF A COMPUTER

Unknown   March 27, 2017   Comment  

 Part  two.

HOW TO TURN OFF A COMPUTER.

 


HOW TO RESTART A COMPUTER.

• Restart is the shut down window and then start window again.  

•Procedure:

• Click start.

• Click allow facing of shut down or turn off.

• In the coming dialogue box, click restart.

HOW TO STAND BY OR SLEEP A COMPUTER.

 

o Stand by is action of computer to see like switch off but not switching off.

 

•Procedures:

• Click start

• Click allow facing of shut down or turn off

•In the coming dialogue box, click stand by or sleep.

HOW TO TURN ON A COMPUTER

HOW TO TURN ON A COMPUTER

Unknown   March 27, 2017   Comment  

Part one.

 If you want to turn on computer

STEPS.

 Press on UPS button

Press on monitor or computer button                  

Press on button a System case or Unit case.

 

 

 

 

DISCLAIMER

DISCLAIMER

Unknown   March 26, 2017   Comment  

DISCLAIMER

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SYSTEM UNIT

SYSTEM UNIT

Unknown   March 24, 2017   Comment  

 CLASSNo.6

SYSTEM UNIT.

• This is the computer, and anything which can be attach to it is a peripheral or devices.

   

    
  

  INSIDE THE COMPUTER.

  •  Power Supply.

      Converts AC power from the wall socket into DC Must provide enough power for the installed components and future additions.

    
    

    
    

     

    Four Basic Units of Electricity.
    
    
    • Voltage (V) is a measure of the force required to push electrons through a circuit. Voltage is measured in volts. A computer power supply usually produces several different voltages.
    •   Current (I) is a measure of the amount of electrons going through a circuit. Current is measured in amperes, or amps (A). Computer power supplies deliver different amperages for each output voltage.
    •  Power (P) is voltage multiplied by current. The measurement is called watts (W). Computer power supplies are rated in watts.
    • Resistance (R) is the opposition to the flow of current in a circuit. Resistance is measured in ohms. Lower resistance allows more current to flow through a circuit.