Digital Electronics-Combinational Logic Circuits

Digital Electronics-Combinational Logic Circuits
41. The look-ahead carry method suffers from propagation delays.
  • TRUE
  • FALSE
Show Answer
42. A pull-up resistor is a resistor used to keep a given point in a circuit HIGH when in the active state.
  • TRUE
  • FALSE
Show Answer
43. In an even-parity system, the following data will produce a parity bit = 1.
data = 1010011
  • TRUE
  • FALSE
Show Answer
44. The following combination is correct for an ODD parity data transmission system:
data = 011011100 and parity = 0
  • TRUE
  • FALSE
Show Answer
45. The XOR gate will produce a HIGH output if only one but not both of the inputs is HIGH.
  • TRUE
  • FALSE
Show Answer
46. When decisions demand one of many possible actions, the ELSIF control structure is used.
  • TRUE
  • FALSE
Show Answer
47. The K-map provides a "graphical" approach to simplifying sum-of-products expressions.
  • TRUE
  • FALSE
Show Answer
48. The 54 prefix on ICs indicates a broader operating temperature range, generally intended for military use.
  • TRUE
  • FALSE
Show Answer
49. The abbreviation for an exclusive-OR gate is XOR.
  • TRUE
  • FALSE
Show Answer
50. In an even-parity system, the parity bit is adjusted to make an even number of one bits.
  • TRUE
  • FALSE
Show Answer
Digital Electronics
Questions and Answers for Competitive Exams Various Entrance Test