Multiple Choice Questions On Computer Arithmetic - Set 3

 Following are the multiple choice questions on Computer Arithmetic based on the UGC-NET syllabus. Computer Arithmetic multiple choice questions. 

1) What is the hexadecimal equivalent of a binary number 10101111 ?

1. AF
2. 9E
3. 8C
4. All of above
5. None of above

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Answer = A
Explanation:No Explanation

2) A NOR gate recognizes only the input word whose bits are ?

1. 0's and 1's
2. 1's
3. 0's
4. 0's or 1's
5. None of above

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Answer = C 
Explanation: No Explanation 

3) The operation which is commutative but not associative is ?

1. AND
2. OR
3. EX-OR
4. NAND

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Answer = D 
Explanation: No Explanation 

4) All digital circuits can be realized using only ?

1. EX-OR gates
2. Half adders
3. Multiplexers
4. OR gates

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Answer = B 
Explanation: No Explanation 

5) The XOR gates are ideal for testing parity because even parity words produces a ...... output and odd parity word produces a ....... output ?

1. low, high
2. high, low
3. odd, even
4. even, odd
5. None of above

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Answer = A 
Explanation: No Explanation 

6) Flip flop output is always  ?

1. Complementary
2. Independent of each other
3. the same
4. same as inputs
5. None of above

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Answer = A 
Explanation: No Explanation 

7) A half adder adds ..... bits ?

1. 16
2. 10
3. 8
4. 2
5. None of above

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Answer = D 
Explanation:No Explanation 

8) How many flip - flop circuits are needed to divide by 16 ?

1. Two
2. Four
3. Eight
4. Sixteen

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Answer = C 
Explanation: No Explanation 

9) A flip flop is a ..... elements that stores a 216 binary digits as a low or high voltage ?

1. chip
2. bus
3. I/O
4. memory
5. None of above

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Answer = D 
Explanation: No Explanation 

10) A positive AND gate is also a negative ?

1. NAND gate
2. AND gate
3. NOR gate
4. OR gate
5. None of these

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Answer = D 
Explanation: No Explanation 

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