User:Sabina jamakatel Real Teaching Lesson Plan7

Subject: Modern Computer Science	School: Adarsha Higher Secondary School, Layaku, Thimi
Unit: 4 (Forth)	Class : 7
Topic: Octal & Hexadecimal Number System	Time : 45 minutes
Period: 5th

Specific Objectives:

At the end of this class,Student will be able to:

• Understand the concept of octal and hexadecimal number system;
• Understand the steps of converting octal into hexadecimal and hexadecimal into octal number system;
• solve the conversion between hexadecimal into octal and octal into hexadecimal number system.

Teaching Material:

• white board, duster and marker;
• Laptop and Projector.

Octal Number System:

• Octal number system has only eight digit from 0 to 7.
• Every number (value) represents with 0,1,2,3,4,5,,6,7 in the number system.
• The base of octal number system is 8 ,because it has only 8 digits.

Hexadecimal Number System:

• Hexadecimal number system has 16 alphanumeric value from 0 to 9 and A to F.
• Every number (value) represents with 0,1,2,3,4,5,6,7,8,9,,A,B,C,D,E and F in this number system.
• The base of hexadecimal number system is 16, because it has 16 alphanumeric value.
• Here A is 10 , B is 11, C is 12 , D is 13 ,E is 14 and F is 15.

Assessment:

• Convert the following number according to the given instruction:

1. (24)10 into octal number
2. (40)8 into hexadecimal number