1. Basic Element of Electronics Data Processing Hardware Hardware Software Software Networking Networking Person involved in Computer Fields Person involved in Computer Fields Hardware The physical elements of computer are known is called hardware. 1.Input Devices 2.Output Devices 3.C.P.U 4.Storage devices

2. Input Devices An input device is a piece of hardware that you put data into the computer, such as a mouse or keyboard, light pen, scanner, mick and touch screen etc. Keyboard A computer keyboard is an important device that allows a person to enter symbols like letters and numbers into a computer. Mouse In computing, a mouse is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface.

3. Joystick A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. A joystick, also known as the control column. Scanner In computing, an image scanner—often abbreviated to just scanner—is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image. Mick In computer science, speech recognition (SR) is the translation of spoken words into text. It is also known as "automatic speech recognition", "ASR", "computer speech recognition", "speech to text",