1. Which one of the following CPU registers holds the address of the instructions (instructions in the program stored in memory) to be executed next?

A) MAR (Memory address register)

B) MBR (Memory Buffer Register)

C) IR (Instruction Register)

D) PC (Program Counter)

Correct Answer: PC (Program Counter)

Explanation : Program Counter CPU registers holds the address of the instructions (instructions in the program stored in memory) to be executed next.


2. An interrupt for which hardware automatically transfers the program to a specific memory location is known as:

A) Software Interrupt

B) Hardware Interrupt

C) Maskable Interrupt

D) Vector Interrupt

Correct Answer: Hardware Interrupt

Explanation : An interrupt for which hardware automatically transfers the program to a specific memory location is known as Hardware Interrupt.


3. Which of the following are correct features of CPU?

A) CPU is considered as the brain of the computer

B) It stores data, intermediate results, and instructions

C) CPU performs all types of data processing operations

D) All of the above

Correct Answer: All of the above

Explanation : Features of CPU includes: brain of the computer, performs all types of data processing operations and stores data, intermediate results, and instructions.


4. CPU controls the operation of all parts of the computer.

A) True

B) False

C) Can be true or false

D) Can not say

Correct Answer: True


5. Causing the CPU to step through a series of micro operations is called Sequencing.

A) True

B) False

Correct Answer: True