MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
control unit determines the address of the next instruction be executed and loads it into the program counter.
A
Instruction Interpretation
B
Instruction regulation
C
Instruction composition
D
Instruction sequencing
Explanation: 

Detailed explanation-1: -The register which stores the address of the next instruction is called the program counter. Usually after each instruction is executed, the program counter increases by one (hence the use of the word counter) so that it contains the address of the next instruction.

Detailed explanation-2: -The control unit controls and monitors communications between the hardware attached to the computer. It controls the input and output of data, checks that signals have been delivered successfully, and makes sure that data goes to the correct place at the correct time.

Detailed explanation-3: -In computer program the complete instructions of the program is stored in main memory and during execution it fetches the instructions from main memory one after another. The sequence of instruction fetch is controlled by the program counter (PC).

Detailed explanation-4: -Explanation: The address of the next instruction to be executed by the current process is provided by the Program Counter.

There is 1 question to complete.