Multiple Choice Questions On Computer Arithmetic - Set 3

Monday 4 June 2012


 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
Show/Hide Answer
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
Show/Hide Answer
Answer = C 
Explanation: No Explanation 
3) The operation which is commutative but not associative is ?
  1. AND
  2. OR
  3. EX-OR
  4. NAND
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
Answer = D 
Explanation: No Explanation 

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