Analog vs. Digital signals MCQs

By: Prof. Dr. Fazal Rehman | Last updated: June 19, 2025

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1. : Which of the following is a characteristic of an analog signal?





2. : What is a primary advantage of digital signals over analog signals?





3. : In which type of signal is information represented using discrete steps?





4. : Which of the following is NOT an example of an analog device?





5. : In digital systems, what are the two states called?





6. : Which type of signal is more susceptible to noise?





7. : The process of converting an analog signal to a digital signal is called:





8. : Sampling is a crucial part of which process?





9. : Which term describes the number of samples taken per second in a digital signal?





10. : What is the main disadvantage of digital signals compared to analog signals?





11. : Quantization error occurs in which type of signal conversion?





12. : Which device is used to convert analog signals to digital signals?





13. : In digital communications, what is the process of encoding information into a signal?





14. : Which of the following signals is described by a sine wave?





15. : What is a bit in the context of digital signals?





16. : Which component is essential for converting digital signals to analog signals?





17. : The Nyquist Theorem is related to which concept in digital signal processing?





18. : What happens when the sampling rate is too low in an analog-to-digital conversion?





19. : A signal that varies over time to represent information is known as:





20. : Which of the following is a common use of digital signals?





 

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

More MCQs of Digital Logic Design (DLD)

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