Question

1. Ratika's computer teacher has asked her to convert an Octal number to Decimal
number. Suggest the method which she should apply.
2. The teacher has given an assignment to Saurabh on Binary Multiplication. Saurabh is
confused about how to multiply two binary numbers. Help him in solving the problem
by creating table of binary Multiplication.
3. Mita's teacher told her to do binary addition . Suggest her a method by showing an
example
4. Suggest the way to convert an Hexadecimal number to Decimal number.​

Answer 1

Answer:

Fill in the Blanks:

1. The base of Binary number system is 2 .

2. The base of decimal number system is 10.

3. Octal Number system consists of 8 digits.

4. In Binary addition 1 +1 e1ual to 10.

5. Binary number system is understood by the computer system.

6. Hexadecimal uses 16 symbols to represent numbers.

7. In Binary subtraction , 1-1 equals 0 .

State True or False:-

1. The decimal number system consists of 10 digits i.e. 0 to 9. (True)

2. The method to perform division of two binary numbers is not same as that of decimal numbers. (False)

3. 1 multiplied by 0 equals to 0. (True)

4. Charles Babbage introduced the concept of 0 (Zero). (False)

5. The numbers used in Octal number system are 1 to 7. (False)

Answer 2

Answer:

Multiply the digits of number by increasing power of 8 moving from right to left.