I. Define the following terms:
1. Input device:
2. Output device
3. Light pen:
4. Mouse:
5. Scanner:
Answers
Answer:
●input device is a piece of equipment used to provide data and control signals to an information processing system such as computer.
examples-----keyboard,mouse ,scanners..etc...
●output device----is a piece of computer hardware equipment which converts information into human readable forms.
examples----moniters,plotters,speakers...etc....
Answer:
1.In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
2. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. ... Monitors and printers are two of the most commonly used output devices used with a computer.
3.A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.
4.A mouse is a hand-held device used for directly interacting with a graphical user interface (GUI) by controlling the movement of a cursor or pointer on a computer s display screen. The mouse detects the two-dimensional motion of the operator and translates it into the movement of the cursor on the screen.
5.A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display. Scanners come in hand-held, feed-in, and flatbed types and for scanning black-and-white only, or color.