Have you ever heard of a computer virus? Just like real germs can make us sick, a computer virus can make your computer sick! Let’s learn more about what a computer virus is and how to keep your computer safe.
- What is a Virus: A computer virus is a type of bad program that can harm your computer.
- How Do They Spread: Viruses can come from downloading files, clicking on strange links, or using infected USB drives.
- Signs of Infection: If your computer is slow, crashes often, or shows weird messages, it might have a virus.
- Keeping Safe: You can protect your computer by using antivirus software and being careful about what you click on or download.
- What to Do if Infected: If you think your computer has a virus, tell an adult and run an antivirus scan to fix it.
Contents
- “Does Your Computer Have a Virus? Learn What It Means”
- Related MCQ’S
- 1. What is a computer virus?
- 2. How does a computer virus spread?
- 3. What can a computer virus do to your device?
- 4. Which of the following is NOT a way to protect your computer from viruses?
- 5. What was the name of the first computer virus?
- 6. Why is it unsafe to use public Wi-Fi for logging into accounts?
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“Does Your Computer Have a Virus? Learn What It Means”
Related MCQ’S
1. What is a computer virus?
A. A video game for computers
B. A harmful software program
C. A type of antivirus
D. A tool to speed up computers
Answer: B. A harmful software program
Explanation: A computer virus is harmful software designed to disrupt, damage, or gain unauthorized access to computer systems.
2. How does a computer virus spread?
A. By copying files from a secure source
B. By opening suspicious email attachments or downloading unsafe software
C. By restarting the computer frequently
D. By updating antivirus software
Answer: B. By opening suspicious email attachments or downloading unsafe software
Explanation: Viruses spread when users interact with infected files, emails, or unsafe websites.
3. What can a computer virus do to your device?
A. Make it faster and more efficient
B. Make it crash, freeze, or delete files
C. Improve your internet speed
D. Protect your computer from hackers
Answer: B. Make it crash, freeze, or delete files
Explanation: A virus can harm your computer by slowing it down, crashing it, or deleting files.
4. Which of the following is NOT a way to protect your computer from viruses?
A. Install antivirus software
B. Avoid downloading files from untrusted sources
C. Share personal information online freely
D. Use strong and unique passwords
Answer: C. Share personal information online freely
Explanation: Sharing personal information online can make you vulnerable to hackers, so it should be avoided.
5. What was the name of the first computer virus?
A. Trojan
B. Worm
C. Brain Virus
D. Spyware
Answer: C. Brain Virus
Explanation: The first computer virus, called the Brain Virus, was created in 1986 in Pakistan.
6. Why is it unsafe to use public Wi-Fi for logging into accounts?
A. Public Wi-Fi speeds are slow
B. Hackers can access your data more easily on public Wi-Fi
C. It reduces battery life
D. It prevents downloading files
Answer: B. Hackers can access your data more easily on public Wi-Fi
Explanation: Public Wi-Fi is often insecure, making it easier for hackers to intercept your data.
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Malware refers to malicious software designed to harm or exploit systems. It infects computers through phishing, downloads, or vulnerabilities, causing damage or stealing data.
What is Hardware & Software?
Hardware consists of physical components like processors and memory, while software refers to programs and applications that run on hardware to perform specific tasks.
What is Code? Do You Know About Computer Program?
Code is a set of instructions written in programming languages, guiding computers to perform tasks. A computer program is a collection of such instructions.
Electricity and Circuits
Electricity is the flow of electric charge, while circuits are paths that direct this flow, enabling devices to function by controlling current and voltage.
