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MCQs

Total Questions : 457 | Page 37 of 46 pages
Question 361. Which of the following logic families use bipolar transistors?
  1.    TTL
  2.    GaAS
  3.    NMOS
  4.    CMOS
  5.    None of the above
 Discuss Question
Answer: Option A. -> TTL
Question 362. A shift register can be used for
  1.    parallel to serial conversion
  2.    serial to parallel conversion
  3.    digital delay line
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 363. If a microcomputer has a 64K memory, what are the hexadecimal notations for the first and last memory location?
  1.    0000, EEEE
  2.    0, 64
  3.    0000, FFFF
  4.    0000, 9999
  5.    None of the above
 Discuss Question
Answer: Option C. -> 0000, FFFF
Question 364. Which TTL sub-family has maximum speed?
  1.    standard TTL
  2.    schottky-clamped TTL
  3.    high speed TTL
  4.    low power TTL
  5.    None of the above
 Discuss Question
Answer: Option B. -> schottky-clamped TTL
Question 365. A microprocessor has memory locations from 0000 to 3FFF. Each memory location stores 1 byte. How bytes can the memory store? Express this in kilobytes?
  1.    4,095, 4K
  2.    16,384, 16K
  3.    32,740, 32K
  4.    46,040, 46K
  5.    None of the above
 Discuss Question
Answer: Option B. -> 16,384, 16K
Question 366. The m-bit parallel adder consists of:
  1.    (m+1) full adders
  2.    m/2 full adders
  3.    m-1 full adders
  4.    m full adders
  5.    None of the above
 Discuss Question
Answer: Option D. -> m full adders
Question 367. An OR gate has 6 inputs. How many input words are in its truth table?
  1.    64
  2.    32
  3.    16
  4.    128
  5.    None of the above
 Discuss Question
Answer: Option A. -> 64
Question 368. Conversion of binary number 1100012 to its decimal number is
  1.    2710
  2.    4910
  3.    3910
  4.    5010
  5.    None of the above
 Discuss Question
Answer: Option B. -> 4910
Question 369. The OR gate has two or more input signals. If any input is _____ the output is high.
  1.    low
  2.    high
  3.    0
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> high
Question 370. The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.
  1.    OR
  2.    AND
  3.    NAND
  4.    XOR
  5.    None of the above
 Discuss Question
Answer: Option D. -> XOR

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