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4. A sequence of 8 bytes is called a bit. _______

5. The octal number system uses digits 0 to 9 and letters A to F. _______
D. Answer the following questions.

1. What is a number system? Name the different types of number system.

2. What is the difference between the face value and place value of a digit in a number?
3. Write a short note on binary number system.

4. Write the rules for multiplication of two binary numbers.
5. How do you convert a decimal number into its equivalent binary number?
Computational Skills
Mind Stretching
1. Convert the given decimal numbers into binary numbers.

a 78 b 186

2. Convert the given binary numbers into decimal numbers.

a 11001 b 101111

3. Add the given binary numbers.
a 11111 and 1011 b 101010 and 110010

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