Input Devices and Their Functions

Front

What is a scanner?

Back

A scanner is a device that reads text and pictures to convert them into digital form and store them for printing.

Front

What are the different sizes of scanners?

Back

Scanners can be found in different sizes like pens (to scan a line at a time), hand-held or counter-mounted (to scan bar codes or pictures), and desktop (to scan a page at a time).

Front

What is a microphone?

Back

A microphone (mike) is a device that converts sound into an electric signal, used in applications like telephones, radio, television broadcasting, and computers for recording voice.

Front

What is a joystick?

Back

A joystick is an input device that controls the movement of the pointer or image while playing games on a computer.

Front

How does a joystick work?

Back

The handle of the joystick controls the movement, while the trigger carries out different actions as defined in the game.

Front

What is a digital camera?

Back

A digital camera stores photographed images electronically instead of on traditional films.

Front

How are images from a digital camera transferred to a computer?

Back

After capturing an image, it is downloaded by cable to the computer using software supplied with the camera.

Front

What is a touch tablet?

Back

A touch tablet is an electronic tablet that uses a stylus pen to draw pictures and operate a computer.

Front

What is a touch screen?

Back

A touch screen registers input when a finger or other object touches the screen, used in monitors, tablets, and cell phones.

Front

Where are touch screens commonly used?

Back

Touch screens are used in areas with limited options, like conducting quizzes and designing interiors.