Digital Logic Circuits Set 14

Computer Science Engineering (CSE)

Practice Mode Previous
On This Page

This set of Digital Logic Circuits DLC Multiple Choice Questions & Answers (MCQs) focuses on Digital Logic Circuits Set 14

Q1 | Shift registers comprise of which flip-flops?
  • d flip-flops
  • sr flip-flops
  • jk flip-flops
  • t flip-flops
Answer: d flip-flops
Q2 | In serial input serial output register, the data of is accessed by the circuit.
  • last flip-flop
  • first flip-flop
  • all flip-flops
  • no flip-flop
Answer: first flip-flop
Q3 | In PIPO shift register, parallel data can be taken out by              
  • using the q output of the first flip-flop
  • using the q output of the last flip-flop
  • using the q output of the second flip-flop
  • using the q output of each flip-flop
Answer: using the q output of each flip-flop
Q4 | Four bits shift register enables shift control signal in how many clock pulses?
  • two clock pulses
  • three clock pulses
  • four clock pulses
  • five clock pulses
Answer: four clock pulses
Q5 | Time taken by the shift register to transfer the content is called                
  • clock duration
  • bit duration
  • word duration
  • duration
Answer: word duration
Q6 | Transfer of one bit of information at a time is called                
  • rotating
  • serial transfer
  • parallel transfer
  • shifting
Answer: serial transfer
Q7 | In gated D latch, which of the following is the input symbol?
  • d
  • q
  • en
  • clk
Answer: d
Q8 | Which of the following is true about packages?
  • package is collection of libraries
  • library is collection of packages
  • package is collection of entities
  • entity is collection of packages
Answer: library is collection of packages
Q9 | A package may consist of design units.
  • 2
  • 3
  • 4
  • 5
Answer: 2
Q10 | Any item declared in a package declaration section are visible to                
  • every design unit
  • package body only
  • library containing that package
  • design unit that use the package
Answer: design unit that use the package
Q11 | Which of the following is not a in-built package in VHDL?
  • std_logic_1164
  • textio
  • standard
  • std
Answer: std
Q12 | Packages increases of the code.
  • reusability
  • readability
  • managing
  • resolution
Answer: reusability
Q13 | Which of the following can’t have multiple assignments or drivers?
  • std_logic
  • integer
  • std_ulogic
  • bit
Answer: std_ulogic
Q14 | Which of the following is a not a characteristics of combinational circuits?
  • the output of combinational circuit depends on present input
  • there is no use of clock signal in combinational circuits
  • the output of combinational circuit depends on previous output
  • there is no storage element in combinational circuit
Answer: the output of combinational circuit depends on previous output
Q15 | Which of the following is not a combinational circuit?
  • adder
  • code convertor
  • multiplexer
  • counter
Answer: counter
Previous