Topic 1 - Thinking Ahead

What is the purpose of most computer systems?

• a) To process data and produce output
• b) To perform complex calculations
• c) To generate code automatically
• d) To browse the internet

What is a key benefit of caching in computer science?

• a) It reduces the need for network connections.
• b) It increases the amount of storage space.
• c) It improves data security.
• d) It improves system performance

How does caching improve system performance?

• a) By reducing the need for backups
• b) By storing data permanently
• c) By increasing network speed
• d) By providing faster access to previously fetched resources

What is cache memory commonly used for?

• a) Improving processor performance
• b) Storing permanent data
• c) Reducing network latency
• d) Generating reports

When designing programs, why should you consider caching?

• a) To increase file storage capacity
• b) To eliminate the need for external files
• c) To allow for faster access to previously fetched resources

• d) To decrease data consistency

What is an example of an output in a weather forecasting application?

• a) Typing data using a keyboard
• b) Recording data from sensors
• c) Scanning barcodes
• d) Weather forecast data

In the context of a library's book borrowing system, what could be considered as an input?

• a) The library's physical location
• b) The library's operating hours
• c) The number of library staff
• d) Information about borrowed books

When designing a content management system for a news website, what is a potential precondition for formatting articles correctly?

• a) The user's device screen size
• b) The language of the website content
• c) The font style used in articles
• d) The structured format of articles

In the development of a game that requires quick access to character data, what should be considered as an input?

• a) The game's graphics quality
• b) The user's high score
• c) The game's storyline
• d) Frequently used character data

When creating an online booking system for a cinema, what might be a precondition related to movie showtimes and ticket prices?

• a) The number of cinema staff members
• b) The duration of each movie
• c) Potential changes to movie showtimes and ticket prices
• d) The availability of popcorn at the cinema