COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPONENTS OF A COMPUTER SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A three-step cycle that processors use to execute instructions.
A
The fetch-execute cycle
B
x86 processors
C
Power supply
D
Active-liquid heat sink
Explanation: 

Detailed explanation-1: -The CPU fetches the instructions one at a time from the main memory into the registers. One register is the program counter (pc). The CPU decodes the instruction. The CPU executes the instruction. Repeat until there are no more instructions.

Detailed explanation-2: -The fetch execute cycle is the basic operation (instruction) cycle of a computer (also known as the fetch decode execute cycle). During the fetch execute cycle, the computer retrieves a program instruction from its memory. It then establishes and carries out the actions that are required for that instruction.

Detailed explanation-3: -Ans : The instruction cycle consists of four phases: fetching an instruction from memory, decoding the fetched instruction, reading the address from memory, and finally, instruction execution. The computer processor carries it out.

There is 1 question to complete.