Question 1

What does a stored-program computer use to execute instructions?

Accepted Answer

Changeable programs

Answer

Static resources

Answer

Fixed programs

Answer

Permanent data

Question 2

Who described the first design for modern computers in 1945?

Accepted Answer

Jon von Neumann

Answer

Steve Jobs

Answer

Alan Turing

Answer

Bill Gates

Question 3

What component of the von Neumann architecture is responsible for decoding instructions?

Accepted Answer

Control unit

Answer

Accumulator

Answer

Program counter

Answer

Arithmetic logic unit

Question 4

What does the accumulator hold?

Accepted Answer

Results of calculations

Answer

Data to be fetched

Answer

Instruction set

Answer

Next instruction address

Question 5

What is the primary purpose of the program counter in a CPU?

Accepted Answer

It holds the address of the next instruction to be executed.

Answer

It fetches data from memory.

Answer

It decodes the current instruction.

Answer

It stores the results of calculations.

Question 6

During the fetch phase, where does the address from the program counter go?

Accepted Answer

Memory address register

Answer

Memory data register

Answer

Cache

Answer

Control unit

Question 7

What is the purpose of the cache in the CPU?

Accepted Answer

To hold frequently used data for quick access

Answer

To manage power supply

Answer

To store permanent data

Answer

To execute calculations

Question 8

What happens to the content of the program counter after an instruction is fetched?

Accepted Answer

It is incremented by one

Answer

It is reset to zero

Answer

It remains unchanged

Answer

It is decremented by one

Question 9

What does the memory data register hold?

Accepted Answer

Data fetched from memory or to be written to memory

Answer

Address of the next instruction

Answer

Arithmetic results

Answer

Control signals

Question 10

What instruction is executed when the CPU is told to end the program?

Accepted Answer

End program instruction

Answer

Fetch instruction

Answer

Load instruction

Answer

Store instruction

Question 11

What does the CPU stand for in computer architecture?

Accepted Answer

Central Processing Unit

Answer

Control Processing Unit

Answer

Computer Programming Unit

Answer

Central Program Unit

Question 12

What does the memory address register (MAR) do?

Accepted Answer

Holds the address of where data is to be fetched from or stored into.

Answer

Manages data transfer between memory and the CPU.

Answer

Holds instructions to be executed immediately.

Answer

Stores the result of calculations.

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