Multiplexers and Demultiplexers MCQ

By: Prof. Dr. Fazal Rehman | Last updated: June 20, 2025

16 Score: 0 Attempted: 0/16 Subscribe
1. : What is the primary function of a multiplexer (MUX) in digital circuits?





2. : What is the primary function of a demultiplexer (DEMUX) in digital circuits?





3. : Which of the following statements about multiplexers is true?





4. : Which of the following statements about demultiplexers is true?





5. : What is the primary purpose of a multiplexer with n select lines?





6. : What is the primary purpose of a demultiplexer with n select lines?





7. : Which gate is commonly used internally in multiplexers?





8. : Which gate is commonly used internally in demultiplexers?





9. : What is the minimum number of select lines required for an 8-to-1 multiplexer?





10. : What is the minimum number of select lines required for a 1-to-8 demultiplexer?





11. : Which of the following is a characteristic of multiplexers?





12. : Which of the following is a characteristic of demultiplexers?





13. : In a 4-to-1 multiplexer, how many data input lines are there?





14. : In a 1-to-4 demultiplexer, how many output lines are there?





15. : Which gate is used for selecting the input lines in a multiplexer?





16. : Which gate is used for selecting the output lines in a demultiplexer?





 

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)

Computer Science Repeated MCQs Book Download MCQs collection of solved and repeated MCQs with answers for the preparation of competitive exams, admission test and job of PPSC, FPSC, UPSC, AP, APPSC, APSC, BPSC, PSC, GOA, GPSC, HPSC, HP, JKPSC, JPSC, KPSC, KERALAPSC, MPPSC, MPSC, MPSCMANIPUR, MPSC, NPSC, OPSC, RPSC, SPSCSKM, TNPSC, TSPSC, TPSC, UPPSC, UKPSC, SPSC, KPPSC, BPSC, AJKPSC ALPSC, NPSC, LPSC, SCPSC, DPSC, DCPSC, PSC, UPSC, WVPSC, PSCW, and WPSC.

Related Posts:

All Copyrights Reserved 2025 Reserved by T4Tutorials