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MCQs

Total Questions : 457 | Page 10 of 46 pages
Question 91. 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 92. Names, numbers, and other information needed to solve a problem are called _____
  1.    program
  2.    instruction
  3.    data
  4.    controls
  5.    None of the above
 Discuss Question
Answer: Option C. -> data
Question 93. A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a _____
  1.    address
  2.    memory location
  3.    registers
  4.    chip
  5.    None of the above
 Discuss Question
Answer: Option B. -> memory location
Question 94. Conversion of binary number 111112 to an octal number is
  1.    358
  2.    328
  3.    378
  4.    428
  5.    None of the above
 Discuss Question
Answer: Option C. -> 378
Question 95. Conversion of binary number 1011102 to an octal number is
  1.    358
  2.    468
  3.    568
  4.    508
  5.    None of the above
 Discuss Question
Answer: Option C. -> 568
Question 96. Conversion of binary number 100000000002 to decimal number is
  1.    102410
  2.    103410
  3.    112410
  4.    103710
  5.    None of the above
 Discuss Question
Answer: Option A. -> 102410
Question 97. The hexadecimal number system is widely used in analyzing and programming ______
  1.    registers
  2.    chips
  3.    microprocessors
  4.    vacuum tube
  5.    None of the above
 Discuss Question
Answer: Option C. -> microprocessors
Question 98. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as
  1.    decoder
  2.    encoder
  3.    multiplexer
  4.    demultiplexer
  5.    None of the above
 Discuss Question
Answer: Option D. -> demultiplexer
Question 99. How many full and half-adders are required to add 16-bit numbers?
  1.    8 half-adders, 8 full-adders
  2.    1 half-adders, 15 full-adders
  3.    16 half-adders, no full-adders
  4.    4 half-adders, 12 full-adders
  5.    None of the above
 Discuss Question
Answer: Option B. -> 1 half-adders, 15 full-adders
Question 100. An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.
  1.    odd, even
  2.    high, low
  3.    low, high
  4.    even, odd
  5.    None of the above
 Discuss Question
Answer: Option A. -> odd, even

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