CPU Performance (OCR 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 does clock speed measure in a CPU?
What does clock speed measure in a CPU?
Fetch-decode-execute cycles per second
In what unit is clock speed typically measured?
In what unit is clock speed typically measured?
Gigahertz (GHz)
How many cycles per second does 1 GHz equal?
How many cycles per second does 1 GHz equal?
One billion cycles
How many calculations per second does a 3.6 GHz processor carry out?
How many calculations per second does a 3.6 GHz processor carry out?
3.6 billion
What is cache size?
What is cache size?
High-speed memory in CPU for frequent data
Where does cache memory sit in a computer system?
Where does cache memory sit in a computer system?
Between CPU and main memory
Where does the CPU check first for previously fetched instructions?
Where does the CPU check first for previously fetched instructions?
Cache memory
What does a larger cache size allow?
What does a larger cache size allow?
More space for needed instructions
What does number of cores refer to?
What does number of cores refer to?
Independent processors within a CPU
How many processors does a quad-core CPU have?
How many processors does a quad-core CPU have?
4
How many processors does a hex-core CPU have?
How many processors does a hex-core CPU have?
6
What is the main benefit of having more cores in a CPU?
What is the main benefit of having more cores in a CPU?
Better multitasking capability