HSC ICT Chapter 3 : Knowledge Based Questions & Answers

How to write answers to knowledgebase questions?

The knowledgebase question is given to test the memory. That is, you can answer this part by memorizing any information from the text book. Answers should be given in one sentence or a maximum of three sentences as per the demand of the question. Mark allotted to this question is 1.

Number System:

1. What is number?
2. What is digit? [Madrasa Board-2017]
3. What is the number system? [Jessore Board-2017, Madrasa Board-2016]
4. What is non-positional number system?
5. What is positional number system?
6. What is binary number system? [Dhaka Board-2019]
7. What is bit/byte?
8. What is octal number system?
9. What is decimal number system?
10. What is hexadecimal number system?
11. What is local value?
13. What is base/base of number system? [Dhaka Board-2017, Chittagong Board-2017]
14. What is a signed number?
15. What is sign bit?
16. What is 1’s complement?
17. What is 2’s complement? [Sylhet Board-2017]
18. What is the code key/computer code? [Barisal Board-2019, All Boards-2018, Dinajpur Board-2017, Rajshahi Board-2016]
19. What is BCD? [Jessore, Sylhet Board-2019, Cumilla Board-2017, Dhaka, Dinajpur Board-2016]
20. What is alphanumeric code?
21. What is ASCII? [Rajshahi Board-2019, Chittagong Board-2016]
22. What is EBCDIC?
23. What is Unicode? [Cumilla, Chittagong, Dinajpur Board-2019, Rajshahi Board-2017]

Digital Device:

1. What is Boolean algebra? [Jessore Board-2017]
2. What is Boolean variable?
3. What is Boolean constant? [Rajshahi, Cumilla, Chittagong, Barisal Board-2018]
4. What is Boolean complement?
5. What is a Boolean postulate?[Dhaka Board-2017]
6. What is Boolean duality principle?
7. What is truth table?[Dinajpur Board-2019]
8. What is Boolean Theorem?
9. Write down the De-Morgan’s Theorems.
10. What is logic gate? [Chittagong Board 2017, Barisal Board-2016]
11. What is basic logic gate? [Madrasa Board-2017]
12. What is compound logic gates?
13. What is universal logic gate? [Chittagong Board 2019, Jessore Board-2019]
14. What is encoder? [Dhaka Board-2019, Jessore Board-2017, 2016]
15. What is decoder? [Sylhet Board-2017]
16. What is adder? [Cumilla Board-2019]