The FDE cycle - Lesson 3

What does FDE stand for?

• Find Detect Educate

• Film Design Evidence

• Fetch Decode Execute

• Fast Delivery Executive

During the fetch stage of the FDE cycle, where are the instructions fetched from?

• A memory Stick

• Hard-Drive

• Current Instruction Register

• RAM

What does a processor need to do to a binary instruction after it is fetched?

• Store it

• Decode it

• Check for viruses

• Convert it to hexadecimal

During the execute stage, which CPU component tells the other components what to do?

• ALU

• Clock

• Control Unit

• Registers

At which stage are results stored in the Accumulator?

• Fetch

• Decode

• Execute

• None of the above

What does the program counter do during the fetch stage?

• Nothing

• Increases by 1

• Counts how long the fetch takes

• Stores the next instruction