Computer Fetch to Code Execute Cycle Quiz

What are the three main components of a computer?

• Input, process, output

• Memory, processor, control unit

• Buttons, console, monitor

• Registers, address bus, data bus

What is the purpose of a computer program?

• To store data

• To process instructions

• To deliver output

• To control the fan

What are the three stages of the fetch to code execute cycle?

• Fetch, decode, execute

• Input, process, output

• Load, store, update

• Read, write, copy

What is the role of the program counter in the fetch stage?

• To check the address of the next instruction

• To copy the address into the memory address register

• To send the address along the address bus

• To increment the program counter

What does the op code of an instruction represent?

• The data to be processed

• The address of the data

• The operation to be performed

• The result of the operation

What happens during the execute stage of the fetch to code execute cycle?

• The program counter is incremented

• The instruction is fetched from memory

• The instruction is decoded

• The instruction is carried out

What does the branch always opcode do?

• Replaces the program counter with the operand

• Adds the operand to the accumulator

• Stores the accumulator in memory

• Outputs the contents of the accumulator

What does the store opcode do?

• Replaces the program counter with the operand

• Adds the operand to the accumulator

• Stores the accumulator in memory

• Outputs the contents of the accumulator

What is the result of the calculation in the first fetch to code execute cycle?

• 1

• 2

• 3

• 4

What is the purpose of the halt opcode?

• To load the next instruction

• To store the result in memory

• To output the result to the user

• To end the current program