Page 1 :
4. Staying safe in the World of Computers, Exercises, 1. Tick the correct answer, a. Which of these passwords is week? 123456, b. Mcafee, Norton are companies that create antivirus., c. Upsetting someone on social media by being rude to them is an act of cyber bullying., d. Creating a fake profile of someone on social media platforms is usually classified as impersonation., e. Which of the following is a way to stay safe online?, Delete an email if it is grammatically incorrect, requesting personal information, 2. Fill in the blanks., a. A citizen of the internet is called Netizens., b. A Virus replicates itself in the computer and creates unwanted code., c. Scam promise lotteries and free vacations., d. A URL with HTTPS is more secure than a URL with HTTP., e. A strong password has a combination of numbers, letters and symbols., 3.Match the following., a. Weak password ( ii) i) 7+ninety1!, b. Strong password (i) ii) abc, c. Scam (iii) iii) Click here to go to hawaii for free!!, d. Https (v) iv) Notron, McAFee, e. Antivirus (iv) v) Secure website, 4. Answer the following questions., a. Who is a netizen?, Ans- A person who uses the internet regularly is called netizen., b. Why should one be alert while using the internet?, Ans-Illegal and unwanted activities occur on the internet, just, as they do in real life. We must be alert netizen to be able to, stay safe from such activities., c. What is an Antivirus?, Ans-An antivirus is a software that protects the computer from, virus attacks. McAfee, Norton, and Avast are some of the, popular., d. What are safe URLs?, Ans- A safe URL will have a lock symbol before the URL and, starts with HTTPS and not HTTP., e. Write a note on common scams., Ans- scam is a method in which a cybercriminal allures people, with free prizes in exchange for their financial details such as, credit card numbers and bank account details., f. What are strong passwords?, Ans- Passwords with a combination of uppercase and lowercase, letters, numbers and symbols are strong passwords. A strong, password makes it more difficult for hackers to guess., g. Why is online privacy important?, Ans- Because of Impersonation and other threats it, necessary to have strong online privacy settings., Once an account is created, we should ensure that only friends, and family can access our information., 5. Solve the following crossword puzzle., Down, 1. Windows OS has a built -in firewall., 2. Fake news is becoming increasingly widespread., Across, 3. hacking is process of gaining unauthorized access to a, computer system., 4. Cyber law comprises the legal practices that deal with, information technology., 5. Impersonation and other threats make it necessary to have, strong privacy setting.