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How Artificial intelligence changing the world?

Artificial Intelligence (AI) has emerged as one of the most revolutionary technologies of our time, with the potential to transform the world in many ways. AI systems are already impacting various industries, from healthcare to transportation, and their potential for future applications is enormous. In this essay, we will explore how AI can change the world and the opportunities and challenges it presents. One of the most significant ways AI can change the world is through automation. AI-powered systems can automate a wide range of tasks, from manufacturing and logistics to customer service and data analysis. Automation can help reduce labor costs, improve efficiency, and speed up processes, leading to significant productivity gains. For instance, factories can use AI-powered robots to automate manufacturing processes, resulting in faster production times, lower costs, and higher quality products. Similarly, online retailers can use AI-powered chatbots to provide 24/7 customer support,...
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class vii || chapter 11 ||Cyber Threats and Security || part 2

1. How do viruses infect a computer system?
Answer:A virus program is able to replicate itself once it is on the hard disk of the computer with an intension to destroy or steal data it can spread to other computers without the users knowledge when the data is copied or transferred from the infected computers.

2.List any four possible symptoms of virus infection in a computer.
Answer:A computer infected with a virus may exhibit stray behaviour such as :
• An annoying message repeatedly appears on the computer screen.
• A reduced computer memory or hard disk space.
• Files get overwritten or are damaged
• The computer stops responding or hangs.

3.What are the precautions one should take to avoid entry of virus into a computer system?
Answer:The safety precautions one should take into avoid entry of virus in the computer system such as:
• Antivirus software
• Data backup and recovery
• Online backups.

4.Name two popular antivirus programs.
Answer: Kaspersky antivirus, Norton antivirus etc.

5.Give one difference between a computer virus and a worm.
Answer : A virus is a program which able to replicate itself once it is on the hard disk of a computer with an intention to steal or damage the data. Where is a warm is also a computer program like virus and it spreads via network connections.

6.What is a Trojan horse? How does it spread?
Answer: Trojan horses are a type of computer program that appear to perform a certain function but actually performs another malicious functions.
           The major of Trojans spread online through network services including email ,websites, file sharing systems and instant messages.

7.What is meant by virus definition?
Answer: Computer virus is a program which is able to replicate itself once it is on the hard disk of a computer with an intention to destroy or steal data.

8.What is meant by spyware?
Answer: Spyware is a technology that aids in gathering information about a person or organization without their knowledge.

9.What is meant by hacking? What security tool prevents hacking?
Answer: Hacking refers to breaking into computer or network using a security loophole with the aim of damage or obstructing its operation or still confidential data.
  An ethical hacker explores the system looking for miss configurations bugs loopholes in an operating system or a website that would allow an authorised person to break the security of the system or a websites.

10.Name any two online data storage providers.
Answer: Google drive, McrosoftOneDrive.

11.Why we should backup data ?
Answer: We should backup data to protect getting lost or damaged organizations and individuals regularly take  backup of the data.

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