Information Technology Unit 1

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Digital device

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54 Terms

1

Digital device

An electronic device that uses binary data (1s and 0s) to process and store information.

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2

Analogue data

Data represented by continuous values, such as sound waves or physical measurements.

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3

Multifunctional device

A device that can perform multiple functions, such as printing, scanning, and copying.

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4

Touch screen

A display that allows users to interact with a device by touching the screen directly.

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5

Personal computer

A small and affordable computer designed for individual use, such as a desktop or laptop.

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6

Mobile device

A portable device, such as a smartphone or tablet, designed for on-the-go use.

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7

Server

A powerful computer that provides services to other computers connected to a network.

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8

Entertainment system

A device for watching TV shows, movies, listening to music, and playing video games.

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9

Digital camera

A device that captures images and videos digitally using an image sensor.

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10

Navigation system

A device that uses GPS to determine the user's location on a digital map and provide directions.

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11

Communication device

A device that can send and receive data to and from other devices.

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12

Data capture and collection system

A device that automatically collects and inputs data, eliminating the need for manual entry.

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13

Input device

A peripheral device used to enter data into a computer system, such as a keyboard or mouse.

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14

Output device

A peripheral device used to display or produce data from a computer system, such as a monitor or printer.

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15

Keyboard

An input device consisting of keys used to enter alphanumeric characters and symbols.

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16

Mouse

An input device used to select items on a computer screen by moving a cursor.

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17

Scanner

An input device that converts physical documents or images into a digital format.

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18

Graphics tablet

An input device that allows users to control a computer by using a stylus on a tablet-like surface.

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19

Microphone

An input device that converts sound waves into electrical signals for the computer to process.

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20

Webcam

An input device that captures video and still images directly into a computer.

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21

Monitor

An output device that displays images or documents to the user.

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22

Projector

An output device that projects images onto a wall or screen.

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23

Printer

An output device that produces hard copies of digital documents and images on paper.

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24

Plotter

A specialized printer that draws high-quality graphics on large paper.

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25

Speakers

Output devices that amplify sound waves for the user to hear.

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26

Headphones

Portable alternative to speakers for personal audio output.

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27

Accessibility device

A peripheral device specifically designed to provide accessibility for people with disabilities.

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28

Trackball

An alternative to a mouse that consists of a movable ball on a base.

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29

Touch screen or large key keyboard

A keyboard designed for people who have difficulty using a standard keyboard.

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30

Eye motion sensors and head motion trackers

Devices used by people with limited mobility to control a computer using eye or head movements.

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31

Braille embosser

A printer that outputs text as Braille cells for visually impaired individuals.

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32

Utility software

Software used to manage system resources and optimize computer performance.

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33

Disk utilities

Utilities designed to maintain the performance of a computer's disk drive.

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34

Network utilities

Utilities designed to maintain good network traffic and ensure network security.

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35

File compressors

Utilities that reduce the size of files for storage and sharing purposes.

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36

Backup utilities

Utilities that automate the process of backing up important files for data protection.

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37

Disk defragmenter

A utility that reorganizes data on a disk drive to improve file access speed.

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38

Traceroute

A network utility that displays the path data packets travel over an IP network.

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39

Registry cleaner

A utility that removes old and redundant registry entries to improve system performance.

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40

System profiler

A utility that provides a detailed breakdown of a computer system's hardware and software.

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41

File types

Different file formats used to denote the structure and content of stored data.

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42

JPG

A file format for compressed images with good quality and small file size.

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43

BMP

An uncompressed file format for images with high quality but large file size.

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44

DOC

A file format for documents created using word processing software.

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45

PDF

A file format for documents that can be viewed and printed on any platform.

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46

GIF

A file format for images with small file size but limited colors and quality.

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47

Proprietary software

Software whose source code is privately owned by a company and requires payment to use.

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48

Open source software

Software whose source code is available to read and modify, often free to use.

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49

Artificial intelligence

The simulation of human intelligence in machines that can learn and perform tasks.

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50

Biometrics

The measurement and analysis of unique physical or behavioral characteristics for identification purposes.

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51

Robotics

The design, construction, and use of robots to perform tasks autonomously or with human assistance.

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52

Virtual reality

A computer-generated simulation of a three-dimensional environment that can be interacted with.

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53

Local area network (LAN)

A computer network that covers a small area, such as a home, office, or building.

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54

Wide area network (WAN)

A computer network that covers a large geographical area, such as a country or the world.

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