Friday , July 10 2020
Latest Posts
Home / Guess Papers / 9th Class Computer Science Notes in English-Chapter-5

# 9th Class Computer Science Notes in English-Chapter-5

### 9th Class Computer Science Notes in English-Chapter-5

1. Convert 25(10) into binary number.
2. 1011010 + 01011101 = ?
3. Convert 78(10)  into Hexadecimal System.
4. How to represent the positive and negative numbers in Binary System?
5. Write the method of 1’s Complement.
6. What is ASCII Code?
7. Define Unicode.
8. Differentiate Data and Information.
9. What is Alphanumeric Data?
10. Define Binary System.
11. 0110 ✖ 1011 = ? using binary multiplication.
12. What is the base of Decimal System and which digits are used in it?
13. Convert 10(56.25) into binary number.
14. Find 2’s Complement of1100011 .
15. What is a number system?
16. Convert A1.03 into binary number.
17. What is Octal Number System?
18. What is Computer Code?
19. Differentiate Binary number system and decimal number system.
20. Find 2’s Complement of 11011101(2)
21. What is Binary Coded Decimal System?
22. Differentiate 1’s complement and 2’s complement.
23. 78(10) = (?)8

## 9th Class Computer Science Notes in English-Chapter-8

9th Class Computer Science Notes in English-Chapter-8 How computer gets/infected with Virus? What is use …