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ICT - WJEC > Unit 1 - Key Terms > Flashcards

Unit 1 - Key Terms Flashcards

1
Q

GIGO

A

Abbreviation for Garbage In Garbage Out. It means that if you put rubbish into the computer then you get rubbish out.

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2
Q

Data

A

Raw facts and figures, etc. readings from sensors, survey facts, etc.

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3
Q

Processing

A

Performing calculations or arranging data into a meaningful order.

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4
Q

Information

A

Data that has been processed by the computer.

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5
Q

Knowledge

A

Derived from information by applying rules to it.

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6
Q

Range check

A

Data validation technique which checks that the data input to a computer is within a certain range.

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7
Q

Validation checks

A

Are checks a developer of a solution sets/creates, using the software, in order to restrict the data that a user can enter, so as to reduce errors.

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8
Q

Verification

A

Checking that the data being entered into the ICT system perfectly matches the source of the data.

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9
Q

Megapixel

A

One million pixels.

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10
Q

Pixel

A

A dot of light forming a digital image.

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11
Q

Social Networking Site

A

A website that is used to communicate with friends, family and to make new friends and contacts.

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12
Q

Webcam

A

A digital camera that is used to capture still images and video images.

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13
Q

Hotspot

A

A region where the internet can be accessed wirelessly.

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14
Q

WiFi

A

A trademark for products that meet certain standards for transmitting data over wireless networks.

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15
Q

Internet Service Provider (ISP)

A

A company that provides users with an Internet connection.

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16
Q

Optical Mark Recognition (OMR)

A

The process of reading marks (usually shaded boxes) made on a specially prepared document. The marks are read using an optical mark reader.

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17
Q

Swipe card

A

Plastic card containing data stored in a magnetic strip on the card.

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18
Q

Biometric

A

A property of the human body such as fingerprints or pattern on the retina, that can be used to identify a person.

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19
Q

Data Logger

A

A device that collects reading from one or more sensors.

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20
Q

Data Logging

A

The process of using an ICT system to collect data from sensors at a certain rate over a certain period of time.

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21
Q

Sensors

A

Devices that measure physical quantities such as temperature, pressure, humidity.

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22
Q

Multimedia

A

Making use of many media such as text, image, sound, animation and video.

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23
Q

Online Tutorial

A

Using ICT to help in the learning process.

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24
Q

Blog

A

A website that allows comments to be posted.

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25
Q

Content

A

The actual text, images, etc.

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26
Q

Software

A

The programs used by computers.

27
Q

File attachment

A

A file that is attached to an email.

28
Q

Absolute Reference

A

A reference to a cell used in a formula where, when the formula is copied to a new address, the cell address does not change.

29
Q

Relative Reference

A

When a cell is used in a formula and the formula is copied to a new address, the cell address changes to take account of the formula’s new position.

30
Q

Templates

A

Electronic files that hold standardized document layouts.

31
Q

Footer

A

Text placed at the bottom of a document.

32
Q

Header

A

Text placed at the top of a document.

33
Q

Geographical Information Systems (GIS)

A

An ICT system that is used to capture, manage, analyse and display geographically referenced information.

34
Q

Bluetooth

A

A method used to transfer data over short distances from fixed and mobile devices.

35
Q

Router

A

A device that enables a network to be connected to the Internet.

36
Q

Dialup

A

A slow connection to the Internet and connection is made by the computer dialing a number.

37
Q

Online shopping

A

This refers to purchasing goods and services using the Internet.

38
Q

Management Information System (MIS)

A

An ICT system that supplies information that helps give managers and others the information they need for them to make effective decisions.

39
Q

Temperature/heat sensor

A

A type of sensor which can be used to control a heating system in a home or classroom.

40
Q

Light sensor

A

A type of sensor which detects the brightness of light. Can be used to see how light levels affect the growth of a plant.

41
Q

Sound sensor

A

A type of sensor which measures the loudness of a sound. Can be used in noise disputes.

42
Q

Humidity sensor

A

A type of sensor which measures the moisture in the air.

43
Q

Passive Infrared Sensor (PIRs)

A

A type of sensor used in schools and homes to detect movement. They can be used in burglar alarms and also to turn lights on/off automatically in rooms when a person walks in/out.

44
Q

Desktop Environment

A

A graphical user interface that allows a user to change certain settings of the operating system.

45
Q

Shortcuts

A

Enables you to do task using the operating system quickly rather than go through a series of menus/windows which takes time.

46
Q

Virtual Learning Environment (VLE)

A

A software system that uses the Internet to support teaching and learning in school, college or other education institution.

47
Q

Braille keyboards

A

An input device used to enter text into a computer and are used by blind or partially sighted people.

48
Q

Text to voice software

A

Software that enables a computer to read text that has been typed in, or it can be used to give some sort of response such as the direction instructions in a satellite navigation system.

49
Q

Voice recognition

A

Software that works by recognising spoken words and turning it into text that can be put into a variety of software packages.

50
Q

Control Panel

A

A part of the operating system which is used to change the look and settings of Windows.

51
Q

Text

A

A data type which is used for storing names, words and numbers that are not used in calculations.

52
Q

Number

A

A data type which is used for storing numbers that can be used in calculations.

53
Q

Date

A

A data type which is used for storing dates.

54
Q

Currency

A

A data type which is used for storing monetary values to two decimal places.

55
Q

Autonumber

A

These are numbers allocated by the computer. It is useful when you want to give each record a unique number.

56
Q

Boolean

A

A data type which is used when there are only one of two choices that can be entered for a field (Yes/No, Male/Female, etc.)

57
Q

Record

A

The detail relating to a single thing or person.

58
Q

Search engines

A

Are used to find information on the Internet but can also be used for searching information on an organization’s intranet.

59
Q

Key field

A

A field in an information handling system that is unique to a particular record.

60
Q

Updating

A

Means bringing data up-to-date owing to the changes that may have occurred since the data was originally input.

61
Q

Carbon Copy (CC)

A

An email feature which is used when you want to send an email to one person but you also want others to see the email you are sending.

62
Q

Blind Carbon Copy (BCC)

A

An email feature which is used when you want to send an email to one person and others but you do not want the others to see each other’s email addresses.

63
Q

Thesaurus

A

A DTP software feature that is useful for ensuring that you use a variety of words in a sentence.

64
Q

Mail Merge

A

A method of producing personalized letters by merging a standard letter with details of names addresses and other information from a database.

ICT - WJEC (2 decks)

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