Keyboard and mouse slide by Jetarvind kumar madhukar

KEYBOARD-keyboard is a primary input device of pc.each keyboard has alphabet like A-Z and numerical 0-9 key. It is use give Input to the processor.

TYPE OF KEY-NUMERIC KEY - 0-9

ALPHANUMERIC KEY A-Z AND 0-9

NEVIGATION KEY , , ,

FUNCTION KEY ,./’;[]\

WINDOW KEY window,right key

SPECIAL KEY alt,ctrl,capslock,shift

TYPE OF KEYBOARD

THERE ARE SEVERAL TYPE OF KEYBOARD-

101 KEY KEYBOARDIBM introduce the first 101 keyboard in 1986. it have measure drawback. It have small enter

button.

102-key keyboard

It is made up for non English user. Same languages that used concededly more 26 letter have 102 key keyboard layouts.e.g. spanish and Hungarian.

MULTIMEDEA KEYBOARD

Multimedia keyboard have additional key such au internet Brower, play pause, mute volume up and down etc.

It have window key , Microsoft introduce 104 key keyboard it have three special key button ,first start button second right third shift button.

Daugles engelbart invented the computer mouse. Mouse is the most use input device after the

keyboard .it is the device that enable a computer user move

the curser or pointer to a specific point on the screen.

1. Mechenical mouse

2. Optical mouse

3. Laser based optical mouse

4. Wireless mouse

MECHENICAL MOUSE It have ball and a pair of roller, with the help of it mouse

detect direction of caser or motion the mouse. It accumulate dust on the roller by the ball, so it doesn't provide accuracy.

It use LED technology to detect moment of the mouse. It mouse disadvantage it doesn't work well after same time on plain surface.

It used laser source to detect moment of the mouse . Most accrete mouse than any other mouse.

Wireless mouse connect with pc though Bluetooth and infrared technology. It itprovide freedom to work anywhere up to or within range.

1. DIN PORT (5 PIN)

2. PS\2 PORT (6 PIN)

3. USB(4 PIN )

4. WIRELESS