1.4.2 / 1.5

Question 1

What is an array?

Answer 1

An ordered, finite set of elements of a single data type

Question 2

How would you implement a 1D array?

Answer 2

Array = [1, 2, 3 , 4 , 5, 6]

Question 3

What would be the result of this code:
Array = [1,2,3,4,5,6]
print( Array[2])

Answer 3

3

Question 4

How would you implement a 2D array?

Answer 4

Array = [[1,2,3,4,5,6],[7,8,9,10,11,12]]

Question 5

What is a record?

Answer 5

A row of a file which is made up of fields

Question 6

How would you implement a record for a table : Fighters?

Answer 6

FighterDataType= record
Integer ID
String FirstName
String LastName
end record

Question 7

What is a list?

Answer 7

Consists of a number of ordered items of any data type and items can occur more than once

Question 8

What is a tuple?

Answer 8

An imutable ordered set of values of any data type

Question 9

What is a linked list?

Answer 9

A dynamic data structure used to hold an ordered sequence

Question 10

What are the disadvantages of a linked list?

Answer 10

• Nodes aren’t removed, just ignored
• No direct access to nodes

Question 11

What is a graph?

Answer 11

A set of vertices/nodes connected by edges/arcs

Question 12

What are the 3 types of graph?

Answer 12

• Weighted
• Directed
• Undirected

Question 13

What is a hash table?

Answer 13

An array couples with a hash function

Question 14

What is the data protection act?

Answer 14

An act which applies to data kept on both computers and in organised filing systems.

Protects personal data

Question 15

What are the 8 laws covered in the data protection act?

Answer 15

1 - Data should only be kept for as long as necessary
2 - Data shall be processed fairly
3 - Data shall only be kept for one specified purpose
4 - Data shall be adequate, relevant and nor excessive
5 - Plans should be put in place to protect data
6 - data shall be kept up to date where possible
7 - Data subject has right to request data held about them
8 - Data shall not leave the EU unless the country as sufficient data protection

Question 16

What is the computer misuse act?

Answer 16

Prevents malicious use of computers

Question 17

What are the 3 offences of the computer misuse act?

Answer 17

1 - Unauthorised access to computer materials
2 - Unauthorised access to computer materials with the intent to commit further crimes
3 - Unauthorised modification of computer materials

Question 18

What is the copyright, designs and patents act?

Answer 18

An act which automatically protect any original ideas and peoples property online

Question 19

What is the regulatory and investigatory powers act?

Answer 19

Covers investigation. surveillance and interception of communication by public bodies.

Forces internet service providers and mobile phone companies to give up info upon request

Question 20

What is ethics?

Answer 20

Our values as a community and how these impact different groups of people in society

Question 21

What are morals?

Answer 21

Our personal values and how we choose to behave

Question 22

What are some of the advantages of computers in the workplace?

Answer 22

• Improved efficiency
• Reduced manufacturing/delivery times
• Reduced costs
• Reduced strain on workers
• New jobs created

Question 23

What are some disadvantages of computers in the workplace?

Answer 23

• Structural unemployment
• High dependence on them
• Reduced human touch

Question 24

What are some of the advantages of automated decision making?

Answer 24

• Improved efficiency
• Can be used for social media feeds
• Can make decisions quick

Question 25

What are some disadvantages of automated decision making?

Answer 25

• People could be treated unfairly
• Creates a ‘bubble’ and close minded society

Question 26

What is AI?

Answer 26

The ability of a computer to replicate human intelligence, cognitive ability and grasp of abstract concepts

Question 27

What are some advantages of AI?

Answer 27

• Can be used in medical research
• Helps solve problems

Question 28

What are expert systems?

Answer 28

Computers replicate the knowledge and experience of an expert in a particular field

Question 29

What are some of the advantages on the environment of computers?

Answer 29

• Smart home systems
• Used to find greener methods
• Reduce waste

Question 30

What are some disadvantages of computers on the environment?

Answer 30

• Shipped to third world countries with lower environmental standards
• contain harmful chemicals
• lots of electricity used to power devices

Question 31

What are some advantages of censorship?

Answer 31

• Necessary for national security
• Reduces distractions at work

Question 32

What are some disadvantages of censorship?

Answer 32

• Can be used to push political views
• Should government have that much control?

Question 33

What are the advantages of using computers to monitor behaviour?

Answer 33

• Reduced crime/ improved security
• Can monitor productivity at work

Question 34

What are the disadvantages of monitoring behaviour?

Answer 34

• Reduced freedom/privacy

Question 35

What are the advantages of using computers to analyse data?

Answer 35

• Can reveal insights into behaviour
• Can be used to find solutions to problems

Question 36

What are the disadvantages of using computers to analyse personal data?

Answer 36

• Can be used against the subject (EG life insurance)
• Can be used to target propoganda/advertising

Question 37

What is big data?

Answer 37

A large collection of data from multiple sources

Question 38

What is data mining?

Answer 38

The analysis of big data to find patterns