Page 33 - Computer Class 06

3. In hexadecimal letter B means ____________ .

4. 1 × 1 = 1 is the rules of binary ____________ .
Descriptive Type Questions

Answer the following questions.
1. What will be the answer of 1 + 1 + 1 in binary?

2. To convert a binary into hexadecimal, we should divide it into the group of how many
digits?
3. What is the base of hexadecimal number system?

4. What will be the output of (01010100) in hexadecimal?
5. Write the rules of conversion decimal to hexadecimal number system.
6. What are the rules of conversion binary to hexadecimal number system?

Application Based Question

Naina cannot solve the following problem. Can you help her? If the numbers from 1 to 24, which
are divisible by 2 divisible by are arranged in descending order, which number will be at the 8th
place from the bottom.

These numbers are 24, 24, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2.

________________________________________________________________________________

A. Complete the following table.

S. No Number System Base Digits/Letters Used

1. Decimal Number System
2. Binary Number System

3. Octal Number System

4. Hexadecimal Number
System

B. Convert the following.
2
1. (111110001110) = ( ) 16
2. (C4A) 16 = ( ) 2
2
2
3. (110011100) + (101100) = ( ) 2
2
2
2
4. (110011) – (101) = ( )

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