Input Device of Computer

Keyboard: It is known as primary input device. It is also known as typing device, because we can input the data and instruction by typing. It have different types of key combination such as, alphabetical keys (A to Z), numerical keys (0 to9), Function keys (F1 to F12) Arrow keys (Right, Left, Down and up) and other keys, Most of the keyboard have QWERTY layout; The keyboard have 102 to 108 keys and in FCC standard
Mouse: - It is other types of input device and also known as pointing device. By using the mouse pointer we can perform the works at computer. When we move the mouse the pointer will move to the same direction and when we click in certain command field the work mentioned at the command field will be performed. The mouse has to buttons (left and right). The left button is used for normal work and right button is used for other works. The scroller of mouse is used to move the working file up a down. The mouse is of three types they are Serial Mouse, Ps/2 Mouse and USB Mouse.
Scanner: - It is also another type of input device of computer. Especially this device is used to convert the hand copy data into soft copy and send the data to the computer. Basically used to input the picture files to the computer.
Digital Camera: - We can use this device to input the digital picture files to the computer we can connect the digital camera at computer by suing the USB port.
Joystick: - It is one type of control device, which is used for gaming option. This device is specially designed to play game at computer.
Light pen: - It has the light sensitive detector at its tip and it generates the light we should use this device at the pad, when we write something at pad the hand writing will input to the computer also it as known as input device.