Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q481: What is the advantage of In-System Programming (ISP) capability in PLDs?
- A: Allows programming after installation
- B: Reduces programming time
- C: Enhances device speed
- D: Eliminates need for test vectors
View Answer
A
Q482: Q2 :=Q1 OR X OR Q3 The above ABEL expression will be
- A: Q2:= Q1 $ X $ Q3
- B: Q2:= Q1 # X # Q3
- C: Q2:= Q1 & X & Q3
- D: Q2:= Q1 ! X ! Q3
View Answer
B
Q483: What is the main purpose of the GAL16V8?
- A: To replace microcontrollers
- B: To replace existing PALs
- C: To enhance data storage
- D: To improve graphics processing
View Answer
B
Q484: How many input/output pins does the GAL16V8 have?
- A: 10
- B: 12
- C: 16
- D: 20
View Answer
C
Q485: In which mode does the GAL16V8 perform combinational logic?
- A: Simple Mode
- B: Complex Mode
- C: Registered Mode
- D: All of the above
View Answer
A
Q486: Which of the following is true about the tri-state buffer in GAL16V8?
- A: It can only be connected to Vcc
- B: It can be connected to GND only
- C: It can be controlled externally
- D: It can be connected to an external clock
View Answer
C
Q487: How many product terms can each OLMC in GAL16V8 handle?
- A: 16
- B: 32
- C: 64
- D: 8
View Answer
B
Q488: What does the feedback configuration in the OLMC allow?
- A: Only combinational logic
- B: Only sequential logic
- C: Both combinational and sequential logic
- D: No feedback configuration
View Answer
C
Q489: In Simple Mode, what configuration allows for a dedicated input?
- A: Setting tri-state buffer to Vcc
- B: Setting tri-state buffer to GND
- C: Connecting feedback to AND gate
- D: Configuring XOR gate for output polarity
View Answer
B
Q490: Which ABEL symbol represents the XOR operation?
- A: !
- B: &
- C: #
- D: $
View Answer
D