Component 2: Computer Architecture, Data, Communication and Applications: revision quiz and key terms
Free practice for Component 2: Computer Architecture, Data, Communication and Applications in WJEC Eduqas A Level Computer Science. It covers: complete revision for Component 2: Computer Architecture, Data, Communication and Applications. Try the questions, then check the key terms.
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Which type of software system uses a knowledge base and an inference engine to give advice in a specialised area?
The Program Counter holds the memory address of the next instruction to be fetched.
Which register holds the instruction currently being decoded and executed?
The Arithmetic Logic Unit is responsible for fetching instructions from main memory.
Which type of software system is used to model a real-world situation so that its behaviour can be tested and predicted?
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Key terms for Component 2: Computer Architecture, Data, Communication and Applications
- Computer control
- Using a computer system to automatically manage a physical process.
- Expert system
- Software that uses a knowledge base and an inference engine to give advice or decisions in a specialised area.
- Predictive analytics
- Uses existing data to identify patterns and predict future events.
- Primary key
- Uniquely identifies each record within a table.
- Robotics
- Computer-controlled machines performing physical tasks, often industrially.
- Safety-critical system
- A system whose failure could result in injury, loss of life or serious environmental damage.
- Serial file access
- Reads records in the order added, without meaningful ordering.
What Component 2: Computer Architecture, Data, Communication and Applications covers
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- C2 Section 7: Types of Software Systems
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