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WorksheetsInput and Output Devices
Total questions: 22
Worksheet time: 11mins
Keyboard
A typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
Input
Output
Both
Mouse
A small handheld device which is moved across a mat or flat surface to move the cursor on a computer screen.
Input
Output
Both
Speaker
A device which converts an electrical audio signal into a corresponding sound.
Input
Output
Both
Scanner
A device that optically scans images, printed text, handwriting or an object and converts it to a digital image.
Input
Output
Both
Joystick
A lever that can be moved in several directions to control the movement of an image on a computer or similar display screen.
Input
Output
Both
VDU
Stands for "Visual Display Unit." A VDU displays images generated by a computer or other electronic device. The term VDU is often used synonymously with "monitor," but it can also refer to another type of display, such as a digital projector.
Input
Output
Both
Touch Screen
A display device which allows the user to interact with a computer by touching areas on the screen.
Input
Output
Both
OMR
An OMR (Optical Mark Reader) reads or scans marks made by pencil on a printed form into the computer.
Input
Output
Both
Laser Printer
Laser printers are used in many workplaces because they are quiet, they print a large number of sheets very quickly and they produce high quality documents.
They print in the same way as photocopiers. Powdered ink, called 'Toner', is fused onto paper by heat and pressure.
Input
Output
Both
Inkjet Printer
Inkjet printers use cartridges that contain the ink. The ink flows through a set of tiny nozzles onto the paper. Inkjet printers are more often used in the home because they are relatively cheap to buy.
Input
Output
Both
Monitor/Screen
An electronic device that shows pictures for computers.
Input
Output
Both
Graphics Tablet
A device that enables a user to hand-draw images, animations and graphics, with a special pen-like stylus, similar to the way a person draws images with a pencil and paper. These tablets may also be used to capture data or handwritten signatures.
Input
Output
Both
Dot Matrix Printer
A type of printer which uses pins impacting an ink ribbon to print.
Input
Output
Both
Microphone
A device that captures audio by converting sound waves into an electrical signal.
Input
Output
Both
Light Pen
A light-sensitive pointing device commonly used to select text or data on a screen. Used with a CRT monitor, these devices were an early form of manipulating and highlighting data on the screen.
Input
Output
Both
Smartphone
A mobile phone that performs many of the functions of a computer, typically having a touchscreen interface, internet access, and an operating system capable of running downloaded apps.
Input
Output
Both
Touch Pad
A device in the form of a small panel containing different touch-sensitive areas normally found on a laptop.
Input
Output
Both
Tracker Ball
A device used to enter motion data into computers or other electronic devices. It serves the same purpose as a mouse, but is designed with a moveable ball on the top, which can be rolled in any direction.
Input
Output
Both
Barcode Reader
An optical scanner that can read printed barcodes, decode the data contained in the barcode and send the data to a computer.
Input
Output
Both
Plotter
A graphics printer that draws images with ink pens.
Input
Output
Both
Headset
A headset combines a headphone with microphone.
Input
Output
Both
Digital Camera
A camera that captures and displays photographs in digital memory.
Input
Output
Both
