Connection

Connection Keyboard, Mouse, Monitor And Printer To CPU

Connecting mouse:
Mouse has three model of connectors depends on our need they are ps/2 mouse , serial mouse, USB mouse we can connect the mouse to any one of the three port depends on its model.
Connecting keyboard:
Keyboard has two model of connectors depends on our need they are ps/2 keyboard, USB keyboard we can connect the mouse to any one of the two port depends on its model.
Connection monitor:
Monitors are connected to the video port of the CPU this port is also called VGA port typically they will be in blue colour and has 15 pin female end.
Printers:
Printer has two models of connectors depends of our need they are parallel port printer, USB printer we can connect the printer to any one of the two port depends on its model.
1.7.2 Checking Power Supply
The computer gets its power from the external power supply to system through SMPS (Switch Mode Power Supply) which acts as a AC to DC converter and step down the volts to 3 - 12 DC. The external power card is to be connected to the power supply plug in system and Power Supply Fan
Power On/Off Switch
Power Supply Plug
Ps/2 Key Board Port
Ps/2 Mouse Port
Serial Port
Video Port
USB Port
Network Port
Parallel Port
Audio Port
once the power supply on/off switch is switched on and the power switch in the front side of the system is also switched on then the power supply fan must run, if it is not running then there may be a problem of power supply, if it runs properly then we can assure that we got power to our system.