Quiz on CPU and Computer Systems

Which type of memory is used by the CPU for temporary storage?

• Hard Drive

• RAM

• SSD

• CD-ROM

Which component of the CPU is responsible for performing arithmetic and logic operations?

• Control Unit (CU)

• Immediate Access Store (IAS)

• Arithmetic and Logic Unit (ALU)

• Memory Unit (MU)

What is an example of a calculation performed by the arithmetic part of the ALU?

• 2 > 1

• 1 + 2 = 3

• Fetching instructions

• Storing data

What is the fetch-decode execute cycle?

• A process for storing data in the cloud

• The steps a CPU goes through to process an instruction

• A method for organizing files on a computer

• A cycle for updating software

What is a register in a CPU?

• A large storage device

• A small high-speed block of memory on the CPU

• A type of software application

• A network protocol

What does MDR stand for?

• Memory Data Register

• Main Data Register

• Machine Data Register

• Memory Device Register

What is the primary function of the Accumulator (ACC) in a CPU?

• To store the result of operations

• To hold the next instruction address

• To manage memory addresses

• To decode instructions

What happens during the decode phase of the fetch-decode execute cycle?

• The instruction is executed

• The instruction is fetched from memory

• The instruction is interpreted

• The instruction is stored

What generally involves the ALU during the execution phase?

• Copying the address

• Carrying out a calculation

• Decoding the instruction

• Loading data into the MDR

Which register holds the address of the next instruction to be executed?

• Memory Data Register (MDR)

• Instruction Register (IR)

• Program Counter (PC)

• Control Unit (CU)