Digital Data Representation Mcqs
Our Collection of Digital Data Representation multiple choice questions and answers focuses on all areas of Digital Data Representation covering a collection of most authoritative and best reference books on Digital Data Representation. One should spend 1 hour daily for 2-3 months to learn and assimilate Digital Data Representation topic comprehensively.
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17. The conversation speed of an analog to digital converter is maximum with the following technique.
Dual slope AD converter.
Serial comparator AD converter.
Successive approximation AD converter.
Parallel comparator AD converter.
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18. The ASCII code for letter A is
1100011
1000001
1111111
0010011
19. Which of the following is a self complementing code?
8421 code
5211
Gray code
Binary code
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20. Floating point representation is used to store
Boolean values
Whole numbers
Real integers
Integers
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21. Which of the following is not a weighted code?
Decimal Number system
Excess 3-code
Binary number System
None of these
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22. Which one is the possible technique for representing signed integers?
Signed Magnitude Representation
Diminished Radix-Complement Representation
Radix-Complement Representation
All of the above
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23. What is used to represent the signed magnitude?
MSB
LSB
Both of the above
None of the above
24. What are the two ways of representing the 0 with signed magnitude representation?
-0 and -0
+0 and +0
-0 and +0
None of the above
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25. (FA)16 is the ________ one’s complement representation of -5.
4-bit
8-bit
16-bit
2-bit
26. 2’s complement is used to represent signed integers, especially __________ integers.
Negative
Positive
Both a and b
None of the above
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27. In ___________________, to encode a negative number, first the binary representation of its magnitude is taken, complement each bit and then add 1.
Signed integer representation
1’s complement representation
2’s complement representation
Radix complement representation
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28. Which one of the following is the type of complement for each base R system?
Diminished radix-complement representation [(R – 1)’s complement]
Radix- complement representation [R’s complement]
1’s and 2’s complement representation
Both a and b
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29. For subtraction of binary number, subtract the _________________.
Minuend from the subtrahend digit
Subtrahend digit from the minuend
MSB from the LSB
None of the above
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30. Which of the following condition is true for determining overflow condition in 2’s complement?
When adding two positive numbers gives a negative result or when two negatives give a positive result.
If sign bit (MSB) of result and sign bit of two operands are of different signs.
The ‘1’ in the MSB position indicates a negative number after adding two positive numbers.
All of the above
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