input and output

Input is data or intructionentered into the memory of computer.The input divice is any hardware component that allow users to entered data and intruction.Example to input device that contain key user press to enter data into a computer.Includes typing area,numeric keypad and functionkeys.it is can be cordless or built-in.Second example is mouse.mouse is painting device that fits under the palm of your hand.Pointing device control movement of ointer.other type of input can entering input by the speakinginto a microphone and e.t.c

Output is some of data that has been processed into a usefull form.output device is any hardware component that can convey.information to one or more people.Output device that visually conveys text,grapics,and video information typically used with desktop computer.example to output is oudio.Audio output device is computer component that produces music,spech,or other sounds.The speakers,earphone and earbuds are comment device.Fax machine is also output device because te device that transmits and receives documents over telephone lines.

APPLICATION SOFTWARE AND SYSTEM SOFTWARE

Application software is programs designed to make users more productive.The software distributed from many type example to packages software,custom software,open source software and etc.it is also to application software is window.It is rectagular area of the screen that display data and information.

System software is programs that control the operation of the computer.It is serves as the interface between the user,the application software and the computer hardware.