What is virus on computer ? A Computer Virus is a harmful program ( malicious software ) designed to damage, disrupt, or steal information from a computer system. It can spread from one device to another, corrupt files, slow down the system, and even cause complete system failure. . 🦠 Types of Computer Viruses 1. File Infector Virus Infects executable files (.exe) and spreads when the file is opened. 2. Boot Sector Virus Targets the boot sector of storage devices and can prevent the system from starting. 3. Macro Virus Infects documents like MS Word or Excel using macros . 4. Trojan Horse Looks like a normal program but performs harmful activities in the background. 5. Worms Spread through networks without attaching to any file; replicate automatically ⚠️ Symptoms of Computer Virus Infection If your compute...
❤❤ Computer ek electronic machine hai jo information ko receive (input), process , aur store karke hume output deta hai. 🧠 Computer Kaam Kaise Karta Hai? Computer 4 steps me kaam karta hai: Input – Keyboard , mouse , mic se data dena Processing – CPU data process karta hai Output – Monitor , speaker ya printer par result Storage – Data ko hard disk, SSD , pendrive me store karna
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