CPU Components (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the tiny electronic switches that make up a CPU called?
What are the tiny electronic switches that make up a CPU called?
Transistors
What architectural design blueprint do all modern computers follow?
What architectural design blueprint do all modern computers follow?
Von Neumann architecture
Which CPU component is responsible for performing calculations and making logical decisions?
Which CPU component is responsible for performing calculations and making logical decisions?
Arithmetic Logic Unit (ALU)
Which operations does the ALU perform? AND, OR, and NOT are examples of which type?
Which operations does the ALU perform? AND, OR, and NOT are examples of which type?
Logical operations
What are the two main responsibilities of the Control Unit?
What are the two main responsibilities of the Control Unit?
Decode instructions & send control signals
Which CPU component is essential for coordinating the Fetch-Execute cycle?
Which CPU component is essential for coordinating the Fetch-Execute cycle?
Control Unit
What generates the regular electrical pulses that synchronize CPU activity?
What generates the regular electrical pulses that synchronize CPU activity?
A tiny vibrating crystal
What unit measures CPU clock speed, representing billions of cycles per second?
What unit measures CPU clock speed, representing billions of cycles per second?
Gigahertz (GHz)
Why are registers important for CPU performance?
Why are registers important for CPU performance?
They can be accessed faster than main memory
Which bus carries memory addresses to specify exact locations for reading or writing?
Which bus carries memory addresses to specify exact locations for reading or writing?
Address bus
Where is cache memory located and what is its main purpose?
Where is cache memory located and what is its main purpose?
Between main memory & CPU; stores frequent data
Why can't you compare CPU performance based on clock speed alone?
Why can't you compare CPU performance based on clock speed alone?
Different CPUs do different work per cycle