Ghulam hussain Universe space Mangi.pptx

Universe

1. INTRODUCTION My name is Ghulam Hussain Mangi I belong to Old Sukkur And My qualification is BBA Hons and MA English Today My Today topic is computer and Input and Output device.

2. Computer A Computer is an electronic machine in which we give input and get output is called computer in another words we can say computer is a machine that can be programmed to carry out sequence of Arithmetic or logical operation automatically modern computer can perform generic sets of operations known as program these program enable computer to perform a wide range of task. A Computer system is a complete computer that include the hardware operating system main software and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together such as computer network or computer cluster.

3. Input Device Input Device is a piece of equipment used to provide data and control signals to an information processing system is called input device For examples Mouse, keyboard, scanner, microphone, light pen and joystick.

4. Output D evice Output device is a piece of computer hardware equipment which convert information into human readable form is called output device. For example Monitor, printer, speaker, headphone and projector.