Digital Electronics-Combinational Logic Circuits

Digital Electronics-Combinational Logic Circuits
31. An encoder in which the highest and lowest value input digits are encoded simultaneously is known as a priority encoder.
  • TRUE
  • FALSE
Show Answer
32. Three select lines are required to address four data input lines.
  • TRUE
  • FALSE
Show Answer
33. Single looping in groups of three is a common K-map simplification technique.
  • TRUE
  • FALSE
Show Answer
34. In true sum-of-products expressions, the inversion signs cannot cover more than single variables in a term.
  • TRUE
  • FALSE
Show Answer
35. A data selector is also called a demultiplexer.
  • TRUE
  • FALSE
Show Answer
36. A digital circuit that converts coded information into a familiar or non-coded form is known as an encoder.
  • TRUE
  • FALSE
Show Answer
37. An exclusive-OR gate will invert a signal on one input if the other is always HIGH.
  • TRUE
  • FALSE
Show Answer
38. The following combination is correct for an EVEN parity data transmission system:
data = 100111100 and parity = 0
  • TRUE
  • FALSE
Show Answer
39. The CASE control structure is used when an expression has a list of possible values.
  • TRUE
  • FALSE
Show Answer
40. Even parity is the condition of having an even number of 1s in every group of bits.
  • TRUE
  • FALSE
Show Answer
Digital Electronics
Questions and Answers for Competitive Exams Various Entrance Test