Micro Arch - CPUs & Fetch-Execute

Where are the results of a mathematical calculation stored in a CPU?

• Cache A

• Register A

• Cache B

• Register B

Where is the data fetched from the location indicated by the program counter stored?

• Memory address register

• Flag register

• Instruction register

• Memory buffer register

What is the function of the Control Unit?

• Decode instructions and provide timing and control signals.

• Execute instructions and keep the clock.

• Read instructions in memory.

• Save calculations to memory.

Which of these functions are not true about an ALU?

• It performs arithmetic and logic operations.

• It returns its result to a specific register.

• It accepts operators from registers.

• It gives the computer the decision making ability.

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

• Memory Address Register

• Instruction Register

• Accumulator

• Program Counter

Which register contains the instruction to be decoded by the control unit?

• Memory Address Register

• Instruction Register

• Accumulator

• Program Counter

Which register contains the address of a location in memory for a read or write operation?

• Memory Address Register

• Instruction Register

• Accumulator

• Program Counter

Which register is an alternative name for Register A?

• Memory Address Register

• Instruction Register

• Accumulator

• Program Counter

Which register is increased by a value of one whenever an instruction is fetched?

• Memory Address Register

• Memory Buffer Register

• Accumulator

• Program Counter

Which register can contain an operand and an operator?

• Memory Address Register

• Memory Buffer Register

• Accumulator

• Program Counter