Digital Systems and Security Quiz

State the ways that data is generated.

• Through user input, sensors, and transactions

• By deleting files

• By turning off devices

• By closing applications

Name the layers of the OSI Model.

• Physical, Data Link, Network, Transport, Session, Presentation, Application

• Hardware, Software, Network, User

• Input, Output, Processing, Storage

• Design, Development, Testing, Deployment

Which factors can initiate change in organisations?

• Technological advancements, market trends, regulatory changes

• Stagnation, inactivity, lack of innovation

• Consistency, routine, stability

• Ignoring customer feedback

How can two or more tables be linked together in a relational database?

• Using primary and foreign keys

• By merging all data into one table

• By using separate databases

• By deleting duplicate entries

Explain how graphs and charts will help with representing data.

• They provide visual clarity and highlight trends

• They make data more confusing

• They hide important information

• They are only useful for text data

Explain factors that contribute to the feasibility of a digital project.

• Budget, technology, team expertise

• Ignoring deadlines

• Lack of resources

• Unclear objectives

What are the reasons for touchscreens to be used on mobile phones?

• Intuitive interface, space-saving, multi-functionality

• They are cheaper than buttons

• They are harder to use

• They consume more power

What is meant by a business that provides a service?

• A business that offers intangible products

• A business that sells only physical goods

• A business that does not interact with customers

• A business that operates without employees

Describe in which ways digital systems’ use can add value to an organisation.

• Efficiency, data analysis, customer engagement

• Increasing costs

• Reducing productivity

• Limiting communication

Explain the ways that the CIA triad can be used to define security aims.

• Confidentiality, Integrity, Availability

• Cost, Innovation, Accessibility

• Complexity, Inconsistency, Ambiguity

• Control, Isolation, Anonymity