Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q491: How are Boolean expressions represented in ABEL?
- A: Using set notations only
- B: Using equations and truth tables
- C: Only using state diagrams
- D: Using circuit diagrams
View Answer
B
Q492: What is a feature of the Complex Mode in GAL16V8?
- A: It supports feedback only
- B: It uses logical expressions for tri-state control
- C: It can only use 4 product terms
- D: It supports dedicated inputs only
View Answer
B
Q493: Which ABEL notation represents the AND operation?
- A: !
- B: &
- C: #
- D: $
View Answer
B
Q494: In ABEL, how are multiple input and output variables typically grouped?
- A: Using sets
- B: Using truth tables
- C: Using state diagrams
- D: Using simple equations
View Answer
A
Q495: What does the term "test vectors" refer to in ABEL?
- A: The syntax for defining inputs and outputs
- B: The method for simulating the logic circuit
- C: The method for documenting the design
- D: The format for device declarations
View Answer
B
Q496: What section in the ABEL input file specifies the PLD device to be programmed?
- A: Declarations
- B: Logic Descriptions
- C: Test Vectors
- D: Documentation
View Answer
A
Q497: How are state diagrams used in ABEL?
- A: For Combinational Logic Circuits
- B: For Sequential Logic Circuits
- C: For input/output variable grouping
- D: For defining sets
View Answer
B
Q498: What is the function of a Quad 1-of-4 MUX?
- A: Select one of four inputs from a single output
- B: Select one of four outputs from a single input
- C: Route input to multiple outputs
- D: Route multiple inputs to a single output
View Answer
A
Q499: How many multiplexers are in a Quad 1-of-4 MUX?
- A: 2
- B: 4
- C: 8
- D: 16
View Answer
B
Q500: What is the total number of inputs for a Quad 1-of-4 MUX?
- A: 8
- B: 12
- C: 16
- D: 4
View Answer
C