Page 498 - Computer Science V2.0 Class 11

c. Self-explanatory terms
d. Identity of the sender
e. Regards
Ans. Missing Email etiquettes are (a), (b), (d)
a. The shown email lacks a valid subject,
b. A Formal Greetings are not mentioned like Good Morning, Dear Sir, Dear Friends, etc.
e. No Regards mentioned in the mail.
21. Sumit got good marks in all the subjects. His father gifted him a laptop. He would like to make Sumit aware of health hazards associated
with inappropriate and excessive use of laptop. Help his father to list the points which he should discuss with Sumit.
Ans. Excessive digital usage may lead to:
i. Impact on bones and joints
ii. Eye strain
iii. Sleep issues
iv. Mental health issues
v. Internet addiction disorder

Answers

Multiple Choice Questions
1. (b) 2. (d) 3. (d) 4. (b) 5. (d) 6. (b) 7. (c) 8. (d) 9. (c)
10. (a) 11. (c) 12. (b) 13. (c) 14. (a) 15. (c) 16. (a) 17. (a) 18. (b)
19. (d) 20. (a) 21. (d) 22. (c) 23. (b) 24. (a) 25. (d)
True or False
1. (T) 2. (F) 3. (T) 4. (F) 5. (T) 6. (T) 7. (F) 8. (F) 9. (T)
10. (T) 11. (T) 12. (F) 13. (T) 14. (F) 15. (T)
Fill in the blanks
1. digital footprint 2. advertisements 3. fabrication 4. X handle
5. computer fraud 6. identity theft 7. Eavesdropping 8. Spam
9. malware 10. File Infectors

484 Touchpad Computer Science (Ver. 2.0)-XI