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Computer Architecture (GCSE Computing)

The following is a GCSE Computing test covering 'Computer Architecture' from the broader topic 3. Hardware. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.
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What is the role of the Program Counter (PC) in the CPU?
Which of these best describes the role of the control unit during instruction execution?
Which CPU component typically handles floating-point arithmetic separately from the main ALU?
What does the term "microarchitecture" most directly describe?
Which CPU component is responsible for decoding the instruction fetched into the instruction register?
What is pipelining in CPU design?
Which level of cache is typically located on the same chip as the CPU core and is the fastest?
Which register holds the memory address of the next instruction to be fetched?
What is the main function of the arithmetic logic unit (ALU) in a CPU?
Which register contains the current instruction that is being decoded and executed?
What is an interrupt in the context of CPU operation?