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Computing YR9 > January Exam > Flashcards

January Exam Flashcards

1
Q

What does the operating system do?

A

Manage hardware
Manages communication between applications and hardware.

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2
Q

What does the managing processors do?

A

manages use of the CPU
multi-tasking systems having many programs running at once.

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3
Q

What does the managing memory do?

A

Releases memory for new processes if no longer required.

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4
Q

What does the managing peripherals do?

A

Operating system reacts to commands received from devices(input, output, storage)

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5
Q

What does the managing applications do?

A

Sends and receives instructions to and from applications
Sends instructions to hardware on behalf of applications

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6
Q

What does file management do?

A

Manages files in secondary storage

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7
Q

What does security do?

A

Provides a method for users to gain access
Usually a username and password
Access rights - limit what other users can see

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8
Q

What does user interface do?

A

Provides a user interface
Method for a user to communicate with the computer

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9
Q

What are some examples of graphical user interface?

A

Windows
Icons
Menus
Pointers

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10
Q

What are some examples of command line user interface (Command prompts)?

A

Need to type correct address to get on the right path
Input, output, storage

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11
Q

What are some examples of utility programs?

A

Anti virus software
automatic backups
compression
disk defragmentation - move files closer together

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12
Q

What is the definition of ethics?

A

How a person conducts their lives based on what they feel is right or wrong

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13
Q

What is the definition of laws?

A

Rules in society which are enforced by penalties

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14
Q

What is the definition of steakholder?

A

Anyone who may be affected by the actions or policies of an organisation/ technology

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15
Q

What is the definition of key steakholder?

A

Those who can influence the actions or policies of an organisation

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16
Q

Testing medicines on animals

A

Unethical

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17
Q

Using an image found on google in your school work

A

Unethical

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18
Q

A hospital sells patients’ records to an insurance company

A

illegal

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19
Q

Taking a photo of your friend and sharing it without permission

A

illegal

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20
Q

Using a teachers’ password and changing your grades

A

Unethical

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21
Q

Copying a competitors’ latest product design

A

illegal

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22
Q

What is the digital divide?

A

The difference between those who have access to connected technology, and those who do not

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23
Q

Groups most affected by the digital divide

A

Elderly
Poor
Geographically remote communities

24
Q

Benefits of AI

A

Quicker
Creating jobs
Digital assistance
Availability
Medical applications
Risky situations

25
Q

Disadvantages of AI

A

Expensive
Malfunctions
Laziness
Loss of skill

26
Q

What are the three legal concerns

The Laws

A

Data Protection Act 2018
Computer misuse act 1990
Copyright design and patents act 1988

27
Q

What is the Data Protection Act 2018

A

Includes the UK version of GDPR
Protects the rights of data subjects and personal data

28
Q

What does the computer misuse act make illegal?

A

Hack
Gain unauthorised access
Delete or modify data without permission
Write or knowingly distribute malware(viruses)
Use a computer to commit further offences

29
Q

What does the copyright designs and patents act do?

A

illegal to copy a work without the copyright owners permission
Copyright is automatically granted to the creator of any material
It does not have to be marked with a C copyright symbol

30
Q

What are the three factors affecting the CPU?

A

Cores
Clock speed
Cashe size

31
Q

What are the three laws of computing?

A

Computer misuse Act
Data Protection Act
Copyright, Design and Patents Act

32
Q

How many KB are in 1MB?

A

1000

33
Q

How many MB are in 1GB?

A

1000

34
Q

How many GB are in 1 TB?

A

1000

35
Q

How many TB are in 1PB?

A

1000

36
Q

What are three application software?

A

Gaming software
Presentation
Web browsers

37
Q

What are the CPU components?

A

Arithmetic logic unit
Control unit
Registers
Accumulator

38
Q

What does systems software manage

A

The hardware and software in a computer system

39
Q

What does utility software ensure?

A

Computers are running properly

40
Q

TRUE OR FALSE?
RAM and ROM are examples of secondary storage.

A

FALSE

41
Q

TRUE OR FALSE?
cache memory is primary storage

A

TRUE

42
Q

What is at the top of the computer hardware diagram?

A

Communication

43
Q

What is in the middle of the computer hardware diagram?

A

Processing / primary storage

44
Q

What is at the bottom of the computer hardware diagram?

A

Secondary storage

45
Q

What is on the right of the computer hardware diagram?

A

Output

46
Q

What is on the left of the computer hardware diagram?

A

Input

47
Q

What is on the bottom left of the software diagram?

A

Operating systems and utility programs

48
Q

What is on the bottom right of the software diagram?

A

Closed source and open source

49
Q

What is on the to left of the software diagram?

A

Systems software

50
Q

What is on the top right of the software diagram?

A

Applications software

51
Q

What does accessibility mean?

A

Making it possible for people with disabilities to use a computer system

52
Q

What does the ALU do?

A

Performs arithmetic calculations and makes logical decisions

53
Q

What does the CU (control unit) do?

A

Sends signals to control how data moves around the CPU

54
Q

What does the cache do? CPU

A

Provides fast access to frequently used instructions and data

55
Q

What does the operating system allocate in the managing memory?

A

memory addresses for processes either for data or instructions

56
Q

What are the six DPA: Six Principles?

A

-Fairly and lawfully processed
-Used for specific, explicit and legitimate purposes
-adequate, relevant and not excessive
-accurate and up to date
-must not be kept for longer than is necessary
-stored and processed securly

Computing YR9 (5 decks)

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