ICSE Class 7 Computer Studies — Chapter Summary

Hardware forms the physical part of a computer system, while software gives instructions and direction to the hardware. A computer is an electronic data processing machine that accepts data and instructions through an input unit and converts them into meaningful information. The chapter covers inter

Number systems are used to write and read numbers in different forms. A computer stores numbers, letters, and other characters in coded form and works internally in binary. Four number systems are commonly used with computers: decimal, binary, octal, and hexadecimal. Each system has a different base

Malware is software intentionally created to cause harm to a user, a computer system, or a network. A computer virus is a malicious, human-made program that can execute and replicate itself. It usually attaches to other programs and spreads without the user's knowledge. Some viruses damage files, in