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MCQs

Total Questions : 457 | Page 17 of 46 pages
Question 161. A microcomputer is a computer that uses a _____ for its CPU.
  1.    chips
  2.    registers
  3.    microprocessor
  4.    vacuum tube
  5.    None of the above
 Discuss Question
Answer: Option C. -> microprocessor
Question 162. Conversion of decimal number 6110 to it's binary number equivalent is
  1.    1100112
  2.    110011102
  3.    1111012
  4.    111112
  5.    None of the above
 Discuss Question
Answer: Option C. -> 1111012
Question 163. An OR gate can be imagined as
  1.    switches connected in series
  2.    switches connected in parallel
  3.    MOS transistors connected in series
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> switches connected in parallel
Question 164. Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH
  1.    63
  2.    32
  3.    16
  4.    38
  5.    None of the above
 Discuss Question
Answer: Option A. -> 63
Question 165. The functional difference between SR flip-flop and JK flip-flop is that
  1.    JK flip-flop is faster than SR flip-flop
  2.    JK flip-flop has a feed back path
  3.    JK flip-flop accepts both inputs 1
  4.    JK flip-flop does not require external clock
  5.    None of the above
 Discuss Question
Answer: Option C. -> JK flip-flop accepts both inputs 1
Question 166. Conversion of an octal number 1128 to hexadecimal number is
  1.    4A16
  2.    5A16
  3.    1516
  4.    2016
  5.    None of the above
 Discuss Question
Answer: Option A. -> 4A16
Question 167. The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____
  1.    words, high
  2.    bytes, low
  3.    bytes, high
  4.    character, low
  5.    None of the above
 Discuss Question
Answer: Option A. -> words, high
Question 168. A positive AND gate is also a negative
  1.    NAND gate
  2.    NOR gate
  3.    AND gate
  4.    OR gate
  5.    None of the above
 Discuss Question
Answer: Option D. -> OR gate
Question 169. Conversion of binary number 1011012 to hexadecimal is
  1.    3716
  2.    2D16
  3.    2E16
  4.    2716
  5.    None of the above
 Discuss Question
Answer: Option B. -> 2D16
Question 170. In which code the successive code characters differ in only one bit position?
  1.    gray code
  2.    excess 3 code
  3.    8421 code
  4.    algebraic code
  5.    None of the above
 Discuss Question
Answer: Option A. -> gray code

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