1.1 SYSTEMS ARCHITECTURE - Home learning progress quiz

What does the D of the FDE cycle stand for?

What is the purpose of the Contol unit (CU)?

• executes instructions and controls the flow of data in the CPU.
• does all of the calculations and logic operations.
• holds the actual data or instruction being processed by the CPU.
• holds the address about to be used by the CPU.
• holds the memory address for the instruction of each cycle.

What is the purpose of the Program counter?

• holds the memory address for the instruction of each cycle.
• does all of the calculations and logic operations.
• executes instructions and controls the flow of data in the CPU.
• holds the actual data or instruction being processed by the CPU.
• holds the address about to be used by the CPU.

What is the purpose of the Arithmetic Logic Unit (ALU)?

• does all of the calculations and logic operations.
• executes instructions and controls the flow of data in the CPU.
• holds the actual data or instruction being processed by the CPU.
• holds the address about to be used by the CPU.
• holds the memory address for the instruction of each cycle.

What is the purpose of the Accumulator?

• holds the result of any calculations in the ALU.
• does all of the calculations and logic operations.
• executes instructions and controls the flow of data in the CPU.
• holds the actual data or instruction being processed by the CPU.
• holds the address about to be used by the CPU.

What is the purpose of the Cache?

• very fast memory that stores regularly used data so that the CPU can access it quickly.
• does all of the calculations and logic operations.
• executes instructions and controls the flow of data in the CPU.
• holds the actual data or instruction being processed by the CPU.
• holds the address about to be used by the CPU.

What is the purpose of the Memory Address Register (MAR)?

• holds the address about to be used by the CPU.
• does all of the calculations and logic operations.
• executes instructions and controls the flow of data in the CPU.
• holds the actual data or instruction being processed by the CPU.
• holds the memory address for the instruction of each cycle.

What is the purpose of the Memory Data Register (MDR)?

• holds the actual data or instruction being processed by the CPU.
• does all of the calculations and logic operations.
• executes instructions and controls the flow of data in the CPU.
• holds the address about to be used by the CPU.
• holds the memory address for the instruction of each cycle.