Keywords 5 - Input Devices

Question 1

Hardware

Answer 1

The physical components of a computer

Question 2

Software

Answer 2

Programs and instructions that run on a computer

Question 3

Mouse

Answer 3

An input device that is used to control a pointer or cursor on the screen

Question 4

OCR (Optical Character Recognition)

Answer 4

A process in which text on a scanned document is recognised and converted to digital text

Question 5

OMR (Optical Mark Recognition)

Answer 5

A process where scanned marks on a page are automatically converted to inputs

Question 6

2D scanner

Answer 6

An input device that is used to scan physical documents. It can be used with OCR or OCR, or neither.

Question 7

Biometric device

Answer 7

An input device that recognises human physical characteristics, such as fingerprints

Question 8

Barcode reader

Answer 8

An input device that is used to read in data encoded in a barcode, using a red light called an illuminator

Question 9

Sensor

Answer 9

A device that records physical inputs

Question 10

Digital

Answer 10

A signalm or data that consists of two states, 0 or 1

Question 11

Encoding

Answer 11

The process of converting data or information to a particular form

Question 12

Analogue-to-Digital convertor

Answer 12

A device that converts analogue data to digital data