Characteristic equations and excitation tables MCQ

By: Prof. Dr. Fazal Rehman | Last updated: June 8, 2024

What is the characteristic equation of a flip-flop?

A) An equation describing the internal states of the flip-flop
B) An equation describing the input-output relationship of the flip-flop
C) An equation describing the clock signal of the flip-flop
D) An equation describing the propagation delay of the flip-flop
Answer: A
Which of the following is true about the characteristic equation of a flip-flop?

A) It depends only on the clock input.
B) It depends only on the input data.
C) It depends on both the input data and the current state.
D) It depends on the output of the flip-flop.
Answer: C
What does the excitation table of a flip-flop describe?

A) The relationship between clock signals and data inputs
B) The relationship between input data and flip-flop outputs
C) The relationship between input data and flip-flop internal states
D) The relationship between output data and clock signals
Answer: C
Which of the following is true about excitation tables?

A) They describe the timing characteristics of flip-flops.
B) They describe the input conditions for desired flip-flop behavior.
C) They describe the propagation delay of flip-flops.
D) They describe the output waveform of flip-flops.
Answer: B
What does the “D” stand for in the D flip-flop’s characteristic equation?

A) Data input
B) Delay
C) Decoder
D) Drive
Answer: A

MCQs of Digital Logic Design (DLD)

Introduction to Digital Systems

1. Analog vs. Digital signals MCQs
2. Binary numbers and arithmetic MCQs
3. Logic levels and noise margins MCQs

Boolean Algebra

1. Basic logic operations (AND, OR, NOT) MCQ
2. Laws and theorems of Boolean algebra MCQ
3. De Morgan’s Theorems MCQ
4. Canonical forms (Sum of Products, Product of Sums) MCQ
5. Simplification techniques (Karnaugh Maps, Quine-McCluskey method) MCQ

Combinational Logic

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1. Basic gates (AND, OR, NOT) Gat MCQ
2. Universal gates (NAND, NOR) Gat MCQs
3. XOR and XNOR gates MCQ

Combinational Circuits

1. Design and analysis of combinational circuits MCQ
2. Multiplexers and Demultiplexers MCQ
3. Encoders and Decoders MCQ
4. Binary Adders (Half adder, Full adder) MCQ
5. Subtractors and Arithmetic Logic Units (ALU) MCQ
6. Comparators MCQ in DLD

Sequential Logic

Flip-Flops and Latches

1. SR Latch, D Latch MCQ
2. Flip-Flops (SR, D, JK, T) MCQ
3. Characteristic equations and excitation tables MCQ
4. Edge-triggered vs. level-triggered devices MCQ

Counters and Registers

1. Synchronous, Asynchronous (ripple), Up/Down counters MCQs
2. Shift registers (SIPO, PISO, SISO, PIPO) MCQs

State Machines

Finite State Machines (FSMs)

1. Moore and Mealy machines MCQs

Memory and Programmable Logic MCQs

Memory Devices

1. Read-Only Memory (ROM)
2. Random Access Memory (RAM)
3. Programmable Logic Devices (PLDs) MCQs
4. Field Programmable Gate Arrays (FPGAs) MCQs

More MCQs of Digital Logic Design (DLD)

• • SET 1: DLD MCQs with answers (dld mcqs with answers)
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  • SET 3: DLD MCQs (solved mcqs of dld)
  • SET 4: DLD MCQs (dld repeated mcqs)
  • SET 5: DLD MCQs (dld important mcqs)
  • SET 6:DLD MCQs DLD Solved MCQs Answers PDF

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