Page 72 - Computer Science V2.0 Class 11

3. An octal digit may be represented using __________ binary digits.
4. UTF-8 uses minimum __________ byte(s) to encode characters.
5. ASCII is used to encode characters in __________ language.
D. Answer the following questions:
1. Give an application of the hexadecimal number system.
2. Why are RGB codes expressed as hexadecimal numbers?
3. Why was UNICODE developed?
4. Give one advantage of UNICODE.
5. Give full form of the following acronyms:
ASCII, ISCII, UTF
6. Convert the following decimal numbers into their equivalent binary numbers.
a. 256
b. 39.56
c. 508.8
7. Convert the following octal numbers into their equivalent decimal numbers.
a. 5063
b. 17.52
c. 327
8. Convert the following decimal numbers into their equivalent hexadecimal numbers.
a. 7208
b. 93.5
c. 199.60

9. Convert the following hexadecimal numbers into their equivalent decimal numbers.
a. 7C6
b. 95.A
c. ABC.D

10. Convert the following binary numbers into their equivalent hexadecimal numbers.
a. 1110001110
b. 10101010
c. 1100.01

11. Convert the following decimal numbers into their equivalent binary numbers.
a. 245.8
b. 825
c. 199.6

12. Convert the following hexadecimal numbers into their equivalent binary numbers.
a. BDA
b. 5F.A1
c. 892
13. Using the ASCII table, the following data is encoded in ASCII code. Write the equivalent characters of the English
alphabet.
1000100 1000001 1010100 1000100
14. Encode the word 'Red' into binary values using ASCII encoding scheme.
15. Write the equivalent ISCII code value in decimal and binary for each character of the phrase given below:

58 Touchpad Computer Science (Ver. 2.0)-XI