Page 33 - CodePilot V5.0 C7

B. Fill in the blanks using the given hints:
1. The decimal number system is a base system. Hints
125
2. To convert a decimal number to hexadecimal, repeatedly divide by . Base
3. The octal number (175) is equal to in the decimal system. Nibble
8
4. The subscript of a number shows its . 16
10
5. A group of 4 bits is called a .

C. Write T for true and F for false.

1. In the binary number system, 1 represents ON and 0 represents OFF.

2. Each digit in binary is called a bit.

3. Each system has a base (radix) that defines how numbers are written.

4. Conversion means changing a number from one base to another.

5. The Most Significant Digit (MSD) in a binary number is the rightmost digit.

D. Answer the following questions:
1. Perform the binary subtraction: (1101) – (1011) .
2 2

2. Name the digits used in the hexadecimal system. Give an example.

3. Convert the following decimal numbers into binary:
(a) (51) (b) (165)
10 10

4. What is a number system?

5. State the steps to convert a decimal number into octal.

31
Number System