Computer System — Chapter Summary

A computer system includes the computer

A computer system includes the computer hardware and software together. It mainly consists of CPU, memory, input/output devices, and storage devices w

The CPU is the electronic circuitry

The CPU is the electronic circuitry that carries out the actual processing. It is also called the brain of the computer and is popularly known as the

The ALU performs arithmetic and logic

The ALU performs arithmetic and logic operations. The CU controls sequential instruction execution, interprets instructions, and guides data flow thro

Registers are small local memory units

Registers are small local memory units inside the CPU chip. They store data, instructions, or intermediate results and are limited in size and number.

Primary memory is directly accessed by

Primary memory is directly accessed by the CPU and includes RAM and ROM. RAM is volatile and stores data temporarily, while ROM is non-volatile and st