Digital Electronics MCQs Set-1

1. What does a decimal number represents?
  • Quality
  • Quantity
  • Position
  • None of the above
2. Why the decimal number system is also called as positional number system?
  • Since the values of the numbers are decided by multiplying the values.
  • Since the values of the numbers are decided by the weight of the values.
  • Since the values of the numbers are decided by adding the values.
  • Since the values of the numbers are decided by the position of the values.
3. In binary number system a digit ranges from ___________
  • 0 to 9
  • 0 to 1
  • 0 to 15
  • 0 to 7
4. How can you represent a decimal point?
  • By a series of coefficients.
  • By weight decided by its position.
  • By location as well as base
  • None of the above
5. A digit in base R will have a range from ____________
  • 1 to R-1
  • 0 to R-1
  • 1 to R+1
  • 0 to R+1
6. Conversion from any base to decimal base is done by ___________ each digit by its corresponding weight and then ___________ all the individual products to get the equivalent decimal value
  • Multiplying, Adding
  • Adding, Multiplying
  • Dividing, Adding
  • Adding, Subtracting
7. Which method is used to convert a number from an octal base to decimal base?
  • Direct conversion method
  • Decimal equivalent method
  • Octal equivalent method
  • Positional notation method
8. In which conversion the product of number 16 raised by the location and then add all the products to get the final decimal value?
  • Octal to decimal
  • Binary to Decimal
  • Hexadecimal to decimal
  • None of the above
9. Binary numbers can be converted into equivalent octal numbers by making groups of three bits _____________
  • Starting from the MSB
  • Starting from the LSB
  • Ending at the MSB
  • Ending at the LSB
10. What is the octal equivalent of 58, 3-bit binary number?
  •  0102
  •  1102
  •  0002
  • 1012