# Number System – 1 MCQ’s

This set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Number System – 1″.

1. The parameter through which 16 distinct values can be represented is known as ________
a) Bit
b) Byte
c) Word
d) Nibble

2. If the decimal number is a fraction then its binary equivalent is obtained by ________ the number continuously by 2.
a) Dividing
b) Multiplying
d) Subtracting

3. Any signed negative binary number is recognised by its ________
a) MSB
b) LSB
c) Byte
d) Nibble

4. The representation of octal number (532.2)8 in decimal is ________
a) (346.25)10
b) (532.864)10
c) (340.67)10
d) (531.668)10

5. An important drawback of binary system is ________
a) It requires very large string of 1’s and 0’s to represent a decimal number
b) It requires sparingly small string of 1’s and 0’s to represent a decimal number
c) It requires large string of 1’s and small string of 0’s to represent a decimal number
d) It requires small string of 1’s and large string of 0’s to represent a decimal number

6. The largest two digit hexadecimal number is ________
a) (FE)16
b) (FD)16
c) (FF)16
d) (EF)16

7. The decimal equivalent of the binary number (1011.011)2 is ________
a) (11.375)10
b) (10.123)10
c) (11.175)10
d) (9.23)10

8. The decimal equivalent of the octal number (645)8 is ______
a) (450)10
b) (451)10
c) (421)10
d) (501)10

9. Representation of hexadecimal number (6DE)H in decimal:
a) 6 * 162 + 13 * 161 + 14 * 160
b) 6 * 162 + 12 * 161 + 13 * 160
c) 6 * 162 + 11 * 161 + 14 * 160
d) 6 * 162 + 14 * 161 + 15 * 160

10. The quantity of double word is ________
a) 16 bits
b) 32 bits
c) 4 bits
d) 8 bits