C+D - 1CP2 - 3.1.1 - Fetch Decode Execute Cycle

What are the three fundamental operations performed by a computer?

• Input, Storage, Output

• Input, Processing, Output

• Storage, Processing, Output

• Input, Processing, Storage

Which component of a computer is responsible for executing instructions?

• Hard Drive

• Central Processing Unit (CPU)

• Graphics Card

• Power Supply

What is the purpose of the large fan located above the CPU?

• To cool the graphics card

• To prevent the CPU from overheating

• To improve sound quality

• To increase the computer's speed

What is the first stage of the fetch-decode-execute cycle?

• Decode

• Execute

• Fetch

• Store

In the fetch-decode-execute cycle, what happens during the decode stage?

• The CPU retrieves the next instruction from memory

• The CPU inspects the instruction and determines what needs to be done

• The CPU carries out the instruction

• The CPU stores the results back into memory

What is the unit of measurement for the speed of the CPU's fetch-decode-execute cycle?

• Metres per second

• Hertz (Hz)

• Joules

• Watts

If a CPU operates at 3 GHz, how many cycles does it perform per second?

• 3 million

• 3 billion

• 3 trillion

• 3 thousand

What might the execute stage of the fetch-decode-execute cycle involve?

• Fetching additional data from the main memory

• Inspecting the instruction

• Retrieving the next instruction

• Increasing the clock speed

What is the role of memory in a desktop computer?

• To execute instructions

• To store program instructions and data

• To cool the CPU

• To display output

What determines the speed of the fetch-decode-execute cycle in a CPU?

• The size of the memory

• The clock speed of the CPU

• The number of cores in the CPU

• The type of operating system