Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q471: Which Odd-Prime numbers can be detected by a 4x3 PLA with six product terms?
- A: 1, 3, 5, 7, 11, 13
- B: 1, 2, 3, 5, 7, 11, 13, 17
- C: 1, 2, 4, 7, 11, 13
- D: 1, 3, 5, 7
View Answer
A
Q472: What type of logic is used in the GAL instead of fuses E2?
- A: CMOS logic
- B: Bipolar logic
- C: TTL logic
- D: ECL logic
View Answer
A
Q473: How many inputs and outputs does the GAL22V10 have?
- A: 12 inputs, 10 I/Os
- B: 10 inputs, 12 I/Os
- C: 12 inputs, 12 I/Os
- D: 8 inputs, 10 I/Os
View Answer
A
Q474: In GAL22V10, what does the select input S1 control in the 2-to-1 MUX?
- A: Routing the input to the AND array
- B: Selecting the output of the OR gate
- C: Switching between input and output
- D: Controlling the tri-state buffer
View Answer
C
Q475: What does the OLMC in the GAL22V10 consist of?
- A: A flip-flop and MUX
- B: A simple buffer
- C: An AND gate array
- D: A shift register
View Answer
A
Q476: How does the Simple Mode in GAL16V8 configure outputs?
- A: As dedicated combinational outputs
- B: As sequential outputs
- C: As analog outputs
- D: As variable outputs
View Answer
A
Q477: Which ABEL notation represents an XOR operation?
- A: A$B
- B: A&B
- C: A#B
- D: !A$B
View Answer
A
Q478: The capability that allows the PLDs to be programmed after they have been installed on a circuit board is called ________
- A: Radiation-Erase programming method (REPM)
- B: In-System Programming (ISP)
- C: In-chip Programming (ICP)
- D: Electronically-Erase programming method(EEPM)
View Answer
B
Q479: The ABEL symbol for “OR” operation is
- A: !
- B: &
- C: #
- D: $
View Answer
C
Q480: In the ABEL notation, what does the symbol “!” represent?
- A: NOT operation
- B: AND operation
- C: OR operation
- D: XOR operation
View Answer
A