Skip to content

Input Devices in Hardware

August 3, 2009
tags:

Input Devices
Text input devices
Keyboard
It is a device, to input text and characters by depressing buttons (referred to as keys), similar to a typewriter.
The most common English-language key layout is the QWERTY layout.
Pointing devices
Mouse
It is a pointing device that detects two dimensional motion relative to its supporting surface.
Wheel mouse

Trackball
It is a pointing device consisting of an exposed protruding ball housed in a socket that detects rotation about two axes.
Gaming devices
Joystick
It is a general control device that consists of a handheld stick that pivots around one end, to detect angles in two or threedimensions.
Gamepad
It is a general game controller held in the hand that relies on the digits (especially thumbs) to provide input.
Game controller
It is a specific type of controller specialized for certain gaming purposes.
Image, Video input devices
Image scanner
It is a device that provides input by analyzing images, printed text, handwriting, or an object.
Webcam
It is a low resolution video camera used to provide visual input that can be easily transferred over the internet.
Audio input devices
Microphone
It is an acoustic sensor that provides input by converting sound into an electrical signal.

Advertisements
No comments yet

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: