This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Computer Systems And Organization > Class 7 Computer Science Chapter 1 Computer Systems And Organization – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 3 (15 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Define what is meant by 'shouldering' A) People as the 'weak point' in secure systems. B) Software that is harmful to a computer netwok. C) Legitimate looking emails, with a sense of urgency, that try and get your personal information. D) When someone looks overy your shoulder to ger information, like your pin at an ATM. Show Answer Correct Answer: D) When someone looks overy your shoulder to ger information, like your pin at an ATM. 2. Regular cleaning of components makes the computer at risk to overheating. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. Supplies power to the other components in a computer A) Electricity. B) Box. C) Power supply unit. D) Generator. Show Answer Correct Answer: C) Power supply unit. 4. What was the third generation of computers built with A) Transistors. B) Processors. C) Vacuums. D) Integrated Circuits. Show Answer Correct Answer: D) Integrated Circuits. 5. What is the purpose of a backup? A) To clean the keyboard. B) To increase the speed of a computer system. C) To ensure that data can be restored in the event of a data loss. D) To prevent unauthorized access to a computer system. Show Answer Correct Answer: C) To ensure that data can be restored in the event of a data loss. 6. Which of the following is the best way to ensure data privacy on a computer network? A) Encrypting data transmissions. B) Disabling cookies. C) Turning off file sharing. D) Using a strong password. Show Answer Correct Answer: A) Encrypting data transmissions. 7. The following are purposes of preventive maintenance EXCEPT for: A) Organize electrical-related circuit maintenance. B) Upgrading certain hardware or software for security and reliability. C) Ensures minimal system failure. D) Reduces the probability of hardware or software problems. Show Answer Correct Answer: D) Reduces the probability of hardware or software problems. 8. A ..... is two or more computers linked together to share files, software, and resources, such as printers. A) RAM. B) Laptop. C) ROM. D) Network or Server. Show Answer Correct Answer: D) Network or Server. 9. Computers are classified into different generations based on A) Technology. B) Shape. C) Weight. D) Size. Show Answer Correct Answer: A) Technology. 10. What is the ASCII symbol for 65? A) Z. B) Z. C) A. D) A. Show Answer Correct Answer: C) A. 11. Which of these is not a network topology A) Star topology. B) Bus topology. C) Gold topology. D) Ring topology. Show Answer Correct Answer: C) Gold topology. 12. Protection and security is the function of Operating System A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. This type of computer can be worn. A) Wearable. B) Embedded. C) PDA. D) Mini. Show Answer Correct Answer: A) Wearable. 14. Fifth Generation of Computers is the fastest Generation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. There are ..... types of computer systems A) 7. B) 6. C) 5. D) 8. Show Answer Correct Answer: A) 7. ← PreviousRelated QuizzesComputer Science QuizzesClass 7 QuizzesClass 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 1Class 7 Computer Science Chapter 1 Computer Systems And Organization Quiz 2 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books