Edge-triggered vs. level-triggered devices MCQ

What is the primary difference between edge-triggered and level-triggered devices?

A) Edge-triggered devices respond to signal transitions, while level-triggered devices respond to signal levels.
B) Edge-triggered devices respond to signal levels, while level-triggered devices respond to signal transitions.
C) Edge-triggered devices are faster than level-triggered devices.
D) Level-triggered devices are more complex than edge-triggered devices.
Answer: A
Which type of device responds to changes in the input signal at specific edges?

A) Edge-triggered
B) Level-triggered
C) Both
D) Neither
Answer: A
Which type of device continuously monitors the input signal for a specific logic level?

A) Edge-triggered
B) Level-triggered
C) Both
D) Neither
Answer: B
What is the triggering condition for an edge-triggered device?

A) Change in signal level
B) Sustained signal level
C) Change at a specific edge (rising or falling)
D) No specific triggering condition
Answer: C
What is the triggering condition for a level-triggered device?

A) Change in signal level
B) Sustained signal level
C) Change at a specific edge (rising or falling)
D) No specific triggering condition
Answer: B
Which type of device is commonly used in clocked circuits?

A) Edge-triggered
B) Level-triggered
C) Both
D) Neither
Answer: A
In an edge-triggered flip-flop, when does the output change occur?

A) When the input signal level is stable
B) When the input signal changes at a specific edge
C) When the input signal is at a certain logic level
D) When the clock signal changes
Answer: B
In a level-triggered device, when does the output change occur?

A) When the input signal level is stable
B) When the input signal changes at a specific edge
C) When the input signal is at a certain logic level
D) When the clock signal changes
Answer: A
Which type of device is more susceptible to glitches?

A) Edge-triggered
B) Level-triggered
C) Both equally
D) Neither
Answer: B
Which type of device is more immune to noise in the input signal?

A) Edge-triggered
B) Level-triggered
C) Both equally
D) Neither
Answer: A
Which type of device is commonly used in synchronous systems?

A) Edge-triggered
B) Level-triggered
C) Both
D) Neither
Answer: A
Which type of device is commonly used in asynchronous systems?

A) Edge-triggered
B) Level-triggered
C) Both
D) Neither
Answer: B
Which type of device is more suitable for capturing specific instants in time?

A) Edge-triggered
B) Level-triggered
C) Both equally
D) Neither
Answer: A
Which type of device is more suitable for continuous monitoring of signals?

A) Edge-triggered
B) Level-triggered
C) Both equally
D) Neither
Answer: B
In an edge-triggered device, how many transitions are needed to trigger a change?

A) One
B) Two
C) Three
D) Depends on the device
Answer: A
In a level-triggered device, how long does the input signal need to remain at the triggering level?

A) Only at the moment of triggering
B) For a specified duration
C) Until the next clock cycle
D) Indefinitely
Answer: B
Which type of device is more commonly used in digital communication systems?

A) Edge-triggered
B) Level-triggered
C) Both equally
D) Neither
Answer: B
Which type of device is more commonly used in signal processing circuits?

A) Edge-triggered
B) Level-triggered
C) Both equally
D) Neither
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

Logic Gates

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

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