Describing Logic Circuits Questions and Answers

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Showing 10 of 34 questions
Q11
An OR gate with inverted inputs functions as:
  • A an AND gate.
  • B a NAND gate.
  • C a NOR gate.
  • D an inverter.
Answer: Option B
Q12
The special software application that translates from HDL into a grid of 1's and 0's, which can be loaded into a PLD, is called a:
  • A formatter.
  • B compiler.
  • C programmable wiring.
  • D CPU.
Answer: Option B
Q13
A LOW placed on the input of an inverter will produce a HIGH output.
  • A TRUE
  • B FALSE
Answer: Option A
Q14
The SUBDESIGN section defines the input and output of the logic circuit block.
  • A TRUE
  • B FALSE
Answer: Option A
Q15
The NAND gate is an example of combinational logic.
  • A TRUE
  • B FALSE
Answer: Option A
Q16
The complement of 1 is 0.
  • A TRUE
  • B FALSE
Answer: Option A
Q17
In VHDL, local signals are declared in the VARIABLE section, which is placed between the SUBDESIGN section and the logic section.
  • A TRUE
  • B FALSE
Answer: Option B
Q18
Boolean algebra was first applied to the analysis of digital circuits by Claude Shannon at Stanford University.
  • A TRUE
  • B FALSE
Answer: Option B
Q19
The application of DeMorgan's theorems to a Boolean expression with double and single inversions produces a resultant expression that contains only single inverter signs over single variables.
  • A TRUE
  • B FALSE
Answer: Option A
Q20
A two-input NAND gate has inputs of 1 and 0; the output is 0.
  • A TRUE
  • B FALSE
Answer: Option B

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