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GCSE OCR IT > OCR IT > Flashcards

OCR IT Flashcards

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1
Q

What is a motherboard?

A

The piece of hardware that holds all of the crucial parts together

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2
Q

What is a CPU and what does it do?

A

The central processing unit carries out the instructions of the computer program

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3
Q

What is ROM and what does it contain?

A

Read-only memory contains the BIOS

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4
Q

What is RAM and what does it hold?

A

Random access memory holds data or files being used

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5
Q

What is the Cache?

A

A small amount of memory located on or near the CPU

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6
Q

What is the NIC?

A

The Network Interface Card

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7
Q

What is a sound card and what does it do?

A

An expansion card that provides input and output of audio signals in a monitor

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8
Q

What is a video/ graphics card and what does it do?

A

It generates output messages to display on your computer

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9
Q

What does the PSU do?

A

The power supply unit supplies power to the PC and gets plugged into the mains

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10
Q

What is a USB and what does it do?

A

The Universal Serial Bus is used to connect a computer and a device to each other

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11
Q

What is a Firewire and what does it do?

A

The Firewire was created by Apple and was used to connect digital recorders

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12
Q

What does the HDMI do?

A

It allows you to connect to high definition video and audio

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13
Q

What is the VGA used for?

A

It’s used to connect the analogue monitor to a PC

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14
Q

What is the DVI?

A

The Digital Video Interface is used to connect to a video

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15
Q

How is Magnetic Storage stored?

A

The data is stored in a linear Fashion

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16
Q

How is Optical Storage stored?

A

It’s stored in a spiral way

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17
Q

How is Solid Storage stored?

A

In a solid state

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18
Q

What is an Input device?

A

Devices that let us get information from the outside world and into a computer so it can be stored

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19
Q

What is an Output device?

A

Any device which can take the data stored in a digital form in a computer and turn it into another format

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20
Q

What is an example of an Input device?

A

A phone, microphone, scanner and webcam

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21
Q

What is an example of an Output device?

A

Headphones, a printer, a phone and aspeaker

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22
Q

What are the disadvantages of a PC?

A

It’s not portable and its bulky

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23
Q

What are the advantages of a PC?

A

It has high performance and it can multitask

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24
Q

What are the disadvantages of a Laptop?

A

It’s more likely to be damaged and its battery life can be limited

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25
Q

What are the advantages of a Laptop?

A

It’s lighter and has everything built in which means its portable

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26
Q

What are the disadvantages of a Netbook?

A
  • It has a lower RAM and CPU chip

- repairs and upgrades can be difficult because you can’t access the hardware

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27
Q

What are the advantages of a Netbook?

A
  • It’s very portable

- it has a longer battery life because it’s smaller

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28
Q

What are the advantages of a Smartphone?

A
  • Extremely small and light

- they support a variety of apps

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29
Q

What are the disadvantages of a Smartphone?

A

They are pricey for their size

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30
Q

What are the advantages of a Tablet (Android)?

A

They are small and have access to a lot of apps

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31
Q

What are the disadvantages of a Tablet (Android)?

A
  • They have limited connectivity to external devices

- data can be less secure

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32
Q

What is a Computer Network?

A

Two or more computers connected together through wifi to share data

33
Q

What is a LAN?

A

A Local Area Network works on a single site and has no third party users

34
Q

What is WAN?

A

A Wide Area Network. Computers in a WAN can be connected together using a leased line

35
Q

What are the advantages of a bus topology?

A
  • It is the cheapest

- easiest to install

36
Q

What are the disadvantages of a bus topology?

A

If the bus fails, the whole network fails

37
Q

What are the advantages of a ring topology?

A
  • Data is transferred quickly

- Its not affected by heavy traffic

38
Q

What are the disadvantages of a ring topology?

A

If any of the cables fail, the whole network fails

39
Q

What are the advantages of a star topology?

A

If one host goes down, it doesn’t affect the others and its easily managed

40
Q

What are the disadvantages of a star topology?

A

If the central network device fails, the whole network goes down and no one can access the network

41
Q

What are the advantages of a mesh topology?

A

It can handle a high amount of network traffic because multiple devices can transmit simultaneously

42
Q

What are the disadvantages of a mesh topology?

A

It requires continuous supervision because of the redundancy present in the network

43
Q

What is a computer protocol?

A

The rules it has to follow to be able to communicate with another computer

44
Q

What is TCP/ IP?

A

Transmission Control Protocol / Internet Protocol

45
Q

What is a FTP?

A

A File Transfer Protocol sends files over the internet

46
Q

What is a HTTP?

A

A Hypertext Transfer Protocol is used for sending hypertext. It is also encrypted before transmission

47
Q

What is an Ethernet Protocol ?

A

An Ethernet Protocol is the standard protocol for physical and data corrections between 2+ devices

48
Q

What is a DHCP?

A

A Dynamic Host Configuration Protocol is a network protocol that enables a server to automatically assign an IP address to a computer

49
Q

What is an Operating System?

A

Its software that allows a user to run other apps on a computing device

50
Q

What happens in Batch Processing?

A

Programs or data are collected together to run in a batch so they are processed all together

51
Q

What happens in Interactive Processing?

A

Systems where tasks being run by the Operating Systems require continual exchange

52
Q

What is VOIP?

A

Voice Over Internet Protocol

53
Q

What are examples of Communication?

A

Email, Instant Messaging, Newsgroups and Social Networking

54
Q

What is Real-time Information?

A

Train Timetables, News Services, Traffic and Reports

55
Q

What are Download Services?

A

Music, Films, Upgrades and Software

56
Q

What are the advantages of Cloud Storage?

A

Storage and accessibility is available

57
Q

What are disadvantages of Cloud Storage?

A

You are more vulnerable to attacks and you don’t have much security and privacy

58
Q

What is Data?

A

It has no structure and its raw and has no meaning

59
Q

What is Fault Detection?

A

Identifying a fault that has taken place

60
Q

What is Fault Diagnosis?

A

Identifying the piece of hardware or software that is faulty

61
Q

What is POST?

A

A Power On Self test appears before the operating system loads. It used to use beeps to give you information about the type of error

62
Q

What is the BIOS?

A

The Basic Input/ Output System tests computer hardware

63
Q

When does the Post Process begin ?

A

When the first part of the BIOS loads into RAM

64
Q

What is a Device Manager?

A

Its an important trouble-shooting tool

65
Q

What does the Device Manager do?

A

It displays all your installed hardware devices and allows you to view which ones have problems

66
Q

What does analyse mean?

A

Separate information into components and identify their characteristics discussed the pros and cons of a topic or argument and make reasoned comment

67
Q

What does assess mean?

A

Offer a reasoned judgement of the standard/quality of situation/skills informed by relevant facts

68
Q

What does compare mean?

A

Identify similarities and differences

69
Q

What does demonstrate mean?

A

Show in an explicit way

70
Q

What does define mean?

A

State or describe the nature, or meaning

71
Q

What does describe mean?

A

Give an account, including all the relevant characteristics, qualities, or events

72
Q

What does determine mean?

A

Find out, decide, e.g. what is relevant. To find a solution by following a set of procedures or to obtain a numerical value by carrying out a series of calculations

73
Q

What does discuss mean?

A

Give an account that addresses a range of ideas and arguments

74
Q

What does evaluate mean?

A

Make a quantitative judgement taking into account different factors and using available knowledge/experience/evidence

75
Q

What does explain mean?

A

To give account of the purposes of reasons

76
Q

What does identify mean?

A

Recognise, list, name or otherwise characterise

77
Q

What does state mean?

A

Express in precise terms, expressed in unequivocal terms

78
Q

What does suggest mean?

A

Give possible alternatives, produce an idea, put forward, e.g. an ideal plan, for consideration

GCSE OCR IT (1 decks)

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