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Ccea GCSE Digital Technology > Test Corrections Unit 1 > Flashcards

Test Corrections Unit 1 Flashcards

Learn questions I got wrong in tests

1
Q

Identify one item of data and one piece of information

A

Anything from the code or mark column

Average mark= 67
Maths 2 gcse equivalence = b
Mark for computing is 51

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2
Q

A student scores 51, state the most appropriate data type for storing the students score.

A

Integer or Numeric. NOT NUMBER

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3
Q

True or false - a vector image can be stretched without a loss of clarity

A

True

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4
Q

What effect does resolution have on an image file size?

A

High resolution, larger file size, image size, more pixels the larger the file/image size.

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5
Q

State the term that describes a pre-formatted layout into which data can be added.

A

Template

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6
Q

List 2 resources managed by the operating system in a computer system

A

Memory/ram allocation
Storage
Processing time/task scheduling
Peripherals

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7
Q

What software group does defragmentation belong to?

A

Utilities (programs/software/application)

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8
Q

What is The Internet of things?

A

Connection via internet of digital devices enabling them to send and receive data or
Physical devices connected to the internet
DO NOT ACCEPT THINGS

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9
Q

Give 2examples of Internet of Things?

A

CCTV
Smart bulbs
Smart heating system

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10
Q

A template is…?

A

A standard layout for a document which can be reused

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11
Q

A macro is…

A

A set of commands recorded to perform repetitive tasks or is clicked on to perform a repetitive task eg printing a report

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12
Q

What role does the Immediate Access Store play in the CPU?

A

Stores programs temporarily while they are being used.
Stores data while it’s being used

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13
Q

What are the 3 main components of the CPU?

A

Control unit
Arithmetic Logic Unit
Immediate Access Store

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14
Q

What is the role of a protocol in data transfer via a network?

A

Set of rules to allow transfer of data between 2 communication systems

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15
Q

What does FTP stand for?

A

File Transfer Protocol

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16
Q

A program used by hackers to try to gain access to users systems?

A

Trojan horse

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17
Q

Software used by hackers to capture passwords and bank details

A

Spyware

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18
Q

A program that replicates itself using up memory space

A

Worm

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19
Q

Name the validation check for:
Fee_payable should be between 20 and 100

A

Range

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20
Q

Name the validation check:
Description should be no longer than 35 characters

A

Length

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21
Q

What is encryption?

A

A special type of software that scrambles or encodes data so it’s meaningless if intercepted. Needs an encryption key to unscramble

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22
Q

What can a firewall do?

A

Monitor in coming/outgoing data so prevents spam and viruses entering the network, prevent unauthorised access to the network, provide information on unauthorised access

23
Q

How do firewalls protect a network?

A

Monitor incoming/outgoing data, filters data to prevent it being hacked, operates based on rules

24
Q

Explain the processing activity ‘batch’

A

Processing data all together during processor downtime

25
Q

Explain the term backup

A

Duplicate files/data made to ensure no data is lost by accidentally being deleted or overwritten. Stored on a separate storage device, cloud or server

26
Q

State 3 benefits of connecting computers together in a company network.

A

Able to share files
Share software and hardware
Access files from any computer
Share peripherals

27
Q

What is an NIC

A

Network interface card

28
Q

What is the purpose of a network interface card?

A

To connect a device to a network or server
To connect a device to the internet

29
Q

What is a communication protocol?

A

Rules set to define methods of data communication between different devices for sending and receiving data on a network

30
Q

What is meant by a phishing attack?

A

When a hacker/scammer sends an email impersonating a person or legitimate company to get information from the user

31
Q

2 advantages of cloud computing

A

Access data anywhere with internet connection
Cloud services handle back up
Cloud services handle security

32
Q

Describe the functions of a router

A

Wireless access to internet on multiple devices at the same time
Connects WAN to LAN network
Firewall and security on the network
Ip allocation

33
Q

What is the application the World Wide Web uses to function?

A

Internet

34
Q

The World Wide Web is the ________ that runs on the Internet?

A

Network

35
Q

State 2 disadvantages of a ring network

A

If one node closes, they all shut off

Information is passed through other nodes

36
Q

What is the function of the utility software- defragmentation?

A

Rearranges data and files to free storage space
Reduces time to access data

37
Q

What is the function of the task scheduling utility?

A

Auto run tasks eg back up and virus checks
Time slicing to get maximum use of the processor which creates the appearance of no interruptions

38
Q

Main functions of an operating system

A

Provides an interface between user and the computer
Allocate RAM to programs and data currently being used
Control peripherals
Manage processing time
Error handling eg printer isn’t switched on

39
Q

Give 3 examples of utility programs

A

Disk defragmenter
Task scheduling
Back up/Restore

40
Q

Name 2 modes of processing

A

Batch
Real time

41
Q

What does CSV stand for?

A

Comma separated value

42
Q

Name the type of data file

A

CSV

43
Q

List 3 ACCESS steps an organisation can use to stop hackers gaining entry to a computer system

A

User codes
Login IDs
Passwords
Different levels of access
2 factor authorisations

44
Q

2 examples of software an organisation can use to prevent hackers gaining access to a computer system

A

Firewall
Encryption

45
Q

2 forms of social media misuse

A

Cyber stalking
Cyber bullying

46
Q

Why does a computer need a hard drive

A

To store data, files and software not currently in use

47
Q

What is mean by cloud computing

A

Where files and programs can be accessed remotely through the Internet.

48
Q

3 advantages of cloud computing?

A

Remote global access to files
Collaborative working
Backup and software updates dealt with automatically
Share files
Unlimited storage

49
Q

2 risks of cloud computing

A

Hacking
Viruses in the system infect all files
If there’s a problem there’s downtime
Need good stead internet connection

50
Q

In relation to databases, data is stored in a ________ and a ________ is made up of several files

A

Table
Record

51
Q

What does IAS stand for?

A

Immediate Access Store
NOT STORAGE!

52
Q

Explain the process an organisation can use to ensure students can download a video quickly

A

Compression
Remove detail
Reduce the file size

53
Q

What is meant by bit depth when referring to a sound recording?

A

The number of bits in a sound sample

54
Q

Describe what is meant by Denial of Service?

A

Involves computer sending large volume of requests to a server to overload the system with traffic and prevent the system from functioning. The requests slow down the system. May take website offline. Server has difficulty answering legitimate requests.

Ccea GCSE Digital Technology (2 decks)

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