Input devices
Input De vices: Devices by which we feed data and instructions into a computer are called input devices in the given below some of the input devices are as follows. 1.keyboard The keyboard has many keys to enter data and the instructions also. In the keyboard the keys are market with English letters from A to Z, number 0-9, mathematical signs like addition multiplication division etc., And also the keyboard help punctuation marks that helps to us in typing any data to correctly. The keyboard has also special keys is it has some symbols that helps us to recognise their uses. 2 . The Mouse The mouse has two buttons and a scroll wheel. The most is used for select objects text and draw the pictures on the computer. the The Attacks of the most ticket or double clicked to perform different types of tasks. 3. Light pen The light pen is used for drawing objects directly on the screen and it is also used for select an option or any other Windows on the screen by simply Pointing at the option an...