The Stored Program Concept and Processor Components (AQA A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the stored program concept?
What is the stored program concept?
Instructions & data stored together in memory
What are the three stages of the fetch-execute cycle?
What are the three stages of the fetch-execute cycle?
Fetch, Decode, Execute
What happens to the Program Counter (PC) during the fetch stage?
What happens to the Program Counter (PC) during the fetch stage?
It is incremented by one
What types of operations does the ALU perform?
What types of operations does the ALU perform?
Arithmetic and logic operations
What does GHz stand for in relation to clock speed?
What does GHz stand for in relation to clock speed?
1000 million cycles per second
How large must a register be in a 32-bit instruction computer?
How large must a register be in a 32-bit instruction computer?
At least 32 bits
Why does cache memory improve performance?
Why does cache memory improve performance?
It can be accessed much more quickly than RAM
What is the effect of increasing data bus width?
What is the effect of increasing data bus width?
More data processed per clock pulse
Which interrupt has the highest priority (Level 1)?
Which interrupt has the highest priority (Level 1)?
Hardware failure (power failure)
What is the purpose of an interrupt vector?
What is the purpose of an interrupt vector?
Points to starting address of ISR code