What is the primary function of the Control Unit (CU) within the CPU?

To execute arithmetic and logical operations

To manage data flow within the CPU and issue control signals

To transfer data between the CPU and memory

What is the role of registers within the CPU?

To store data temporarily for quick access during instruction execution

What is the purpose of the system bus in a computer?

To connect the CPU with external devices

To transfer data between the CPU and memory or input/output controllers

To execute arithmetic operations

How does cache memory improve CPU performance?

By increasing the clock speed of the CPU

By providing a larger storage capacity than RAM

By storing frequently accessed data for quick retrieval

By executing instructions in parallel

What distinguishes a microprocessor from other types of integrated circuits?

Its ability to perform only arithmetic operations

Its integration of the central processor, input/output interfaces, and memory on a single chip

Its exclusive use in embedded systems

In the Fetch, Decode, Execute cycle, what happens during the 'Decode' stage?

The CPU retrieves an instruction from memory

The CPU executes the instruction

The Control Unit interprets the instruction into opcode and operand

The CPU stores the result back into memory

Why might having multiple cores in a CPU not always double its performance?

Because not all programs can be divided among cores effectively

Because each core has a lower clock speed

Because the cache size remains constant

Because the control unit manages data flow

What is the role of the address bus in a computer system?

To carry data between the CPU and memory

To convey control signals from the Control Unit

To carry addresses from the CPU to memory

To manage data flow within the CPU

Computer Architecture Free MCQ Practice Test with Solutions

	Computer for GCSE/IGCSE 92 docs\|30 tests

	Computer for GCSE/IGCSE 92 docs\|30 tests

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