Digital Electronics MCQs Set-1

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  1. 1. What does a decimal number represents?
    • Quality
    • Quantity
    • Position
    • None of the above
  2. 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. 3. In binary number system a digit ranges from ___________
    • 0 to 9
    • 0 to 1
    • 0 to 15
    • 0 to 7
  4. 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. 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. 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. 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. 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. 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. 10. What is the octal equivalent of 58, 3-bit binary number?
    •  0102
    •  1102
    •  0002
    • 1012