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3. What are the two symbols used in the binary number system?
a. 1 and 2 b. 0 and 1
c. 8 and 9 d. 5 and 6
4. Which of the following is equivalent to the decimal number (345) ?
10
a. (101011001) b. (110111001) 2
2
c. (111011101) d. (111110001) 2
2
5. Which of the following is equal to 0+1 in binary addition?
a. 0 b. 1
c. 10 d. 2
Tick () the correct statements and cross () the wrong ones.
1. A number system is a systematic way of representing numbers to describe quantities.
2. The base of decimal number system is 8.
3. The word 'binary' comes from 'Bi' meaning two.
4. The octal number system is used as a shorthand representation of long binary numbers.
5. The hexadecimal number system consists of 16 digits.
Q Answer the following questions:
A
1. What is number system?
2. What are the different digits used in the octal number system?
3. How many bits are there in 1 nibble?
4. What do you mean by base in a number system?
5. What are the rules to convert a decimal number into a binary number?
#Number System 17

