Basic Microprocessor Register

Specific purpose storage location is termed as ______

• register

• executed register

• timed register

• sequenced register

What is the store by register?

• Data

• Memory

• Operands

Program counter stores what?

• Address of before instruction.

• Address of the next instruction.

• Data of the before execution to be executed.

• Data of the execution instruction.

Instruction register (IR) is ____.

• Contains result to be accessed.

• Contains the current instruction being executed by CPU.

• Contains address of the next instructions.

• Contains the address of data.

Arithmetic and Logic Unit (ALU) is ____.

• To stored result.

• To control unit in memory.

• To performs all the data manipulations

• To perform the operation indicated by the instruction code.

Which register usually store the output generated by ALU in several arithmetic and logical

operations?

• Accumulator

• Special Function Register

• Timer Register

• Stack Pointer

Which of the following acts as a temporary storage location to hold an intermediate result in mathematical and logical calculations?

• RAM

• Accumulator

• Program Counter

• Memory Address Register (MAR)

The control unit of a microprocessor _____

• Stores data in the memory

• Accepts input data from keyboard

• Performs arithmetic/logic function

• None of above

In the CPU, what is the functionality of the control unit?

• To decode program instruction

• To perform logic operations

• To store program instruction

• To transfer data to primary storage

Sequence control register is also known as ____

• program counter

• instruction counter

• sequence register

• controlling register