__________ compression will permanently remove data from a file in order to reduce its file size.

• Lossy

• Lossless

• Reversible

• Non-destructive

This type of search algorithm will only work if the data is ordered.

• Linear Search

• Binary Search

• Hash Search

• Depth First Search

The computational method which is concerned with the removal of unnecessary detail is called...

• Abstraction

• Algorithm

• Data Mining

• Simulation

This defensive measure will ‘clean’ inputted data of unwanted characters.

• Sanitization

• Encryption

• Compression

• Validation

This component communicates memory addresses between the CPU and RAM.

• Data Bus

• Address Bus

• Control Bus

• Expansion Bus

Which type of network covers a large geographic area and will often rely on third party telecommunication companies for its infrastructure?

• Local Area Network (LAN)

• Metropolitan Area Network (MAN)

• Wide Area Network (WAN)

• Personal Area Network (PAN)

An employee of a web design company loses their job and is upset. Before they leave, they log in to a computer using a colleague’s username and password. They then copy graphics from the company such as logos, photos, and web layouts for their own use. They also copy a list of all the company’s clients and their contact details. Which laws has the employee broken?

• Copyright infringement

• Data protection laws

• Breach of contract

• All of the above

Personal data could be misused in which of the following ways?

• Identity theft

• Unauthorized access

• Data encryption

• Regular backups

What are three other ways that organisations can collect data?

• Surveys and questionnaires

• Focus groups

• Observational studies

• Data mining

Data must be stored so that it is protected from unauthorized access. Which of the following are ways this can be achieved?

• Encryption

• Regular backups

• Access control

• Data compression