1. Introduction to Computing
Dr. Nadeem A Khan

2. Lecture 10

3. Respecting the class discipline is our social obligation to others!

4. Notice: Thursday’s Class in the BSc. LAB-1

5. Chapter 1 The Number Systems

6. Binary Number System
What is the Base of the Decimal Number System?

7. Binary Number System
The Base of the Binary System is 2

8. Binary Number System
How to know the (decimal system) value of a binary number?

9. Hexadecimal Number System
The Base of the Hexadecimal System is 16

10. Hexadecimal Number System
The Base of the Hexadecimal System is 16
How to know the (decimal system) value of a Hexadecimal number?

11. Octal Number System
The Base of the Octal Number System is 8

12. Octal Number System The Base of the Octal System is 8
How to know the (decimal system) value of a Octal number?

13. Conversions
Binary to Decimal
Decimal to Binary

14. Conversions
Hexadecimal to Decimal
Decimal to Hexadecimal

15. Conversions
Hexadecimal to Binary
Binary to Hexadecimal

16. How to do Addition ? In Decimal System Binary System
Hexadecimal System
Octal System

17. How to do Subtraction ? In Decimal System Binary System
Hexadecimal System
Octal System

18. Multiplication and Division can be expressed in terms of addition and subtraction respectively

19. Complement Representation of Numbers

20. Number Representation
Unsigned
Sign magnitude
1’s Complement
2’s Complement