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MCQs

Total Questions : 228 | Page 21 of 23 pages
Question 201. _____is an abbreviation for binary digit.
  1.    bit
  2.    base
  3.    None of these
  4.    bingit
  5.    0 and 1
 Discuss Question
Answer: Option A. -> bit
Question 202. What is the 2's-complement representation of -24 in a 16-bit microcomputer?
  1.    None of these
  2.    1111 1111 1110 1000
  3.    1111 1111 1110 0111
  4.    0001 0001 1111 0011
  5.    0000 0000 0001 1000
 Discuss Question
Answer: Option B. -> 1111 1111 1110 1000
Question 203. Conversion of hexadecimal number 1D7F16 to a decimal number is
  1.    555710
  2.    877110
  3.    755110
  4.    None of these
  5.    778110
 Discuss Question
Answer: Option C. -> 755110
Question 204. Which gates is known as universal gate?
  1.    NAND gate
  2.    NOT gate
  3.    AND gate
  4.    None of these
  5.    XOR gate
 Discuss Question
Answer: Option A. -> NAND gate
Question 205. The functional capacity for LSI devices is
  1.    12 to 99 gates
  2.    100 to 10,000 gates
  3.    more than 10,000 gates
  4.    1 to 11 gates
  5.    None of these
 Discuss Question
Answer: Option B. -> 100 to 10,000 gates
Question 206. An inventor is a gate with only _____ input; the output is always in the opposite state from the input
  1.    one
  2.    two
  3.    None of these
  4.    All of these
  5.    more than one
 Discuss Question
Answer: Option A. -> one
Question 207. Parallel adders are
  1.    All of these
  2.    sequential logic circuits
  3.    None of these
  4.    both of the above
  5.    combinational logic circuits
 Discuss Question
Answer: Option E. -> combinational logic circuits
Question 208. A microcomputer is a computer that uses a _____ for its CPU.
  1.    registers
  2.    vacuum tube
  3.    chips
  4.    None of these
  5.    microprocessor
 Discuss Question
Answer: Option E. -> microprocessor
Question 209. The number of input words in a truth table always equals _____ where n is the number of inputs bits.
  1.    10n
  2.    None of these
  3.    8n
  4.    2n
  5.    4n
 Discuss Question
Answer: Option D. -> 2n
Question 210. Which of the following is a universal gate?
  1.    OR
  2.    AND
  3.    None of these
  4.    EX-OR
  5.    NAND
 Discuss Question
Answer: Option E. -> NAND

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