Clocked Sequential Circuits MCQ

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• What is the shape of a conditional box in any Algorithmic State Machine?
  ক

  Circle

  খ

  Oval

  গ

  Square

  ঘ

  Rhombus
• Which of the following is not present in the state table?
  ক

  Input

  খ

  Present state

  গ

  Output

  ঘ

  Previous state
• How many elements are there in a state diagram of any Algorithmic State Machine?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• What is the name of the element of a state diagram which uses right corner boxes to represent the state of any object?
  ক

  Transitions

  খ

  States

  গ

  Iteration maker

  ঘ

  Input
• Which of the following is the state equation for D flip-flop?
  ক

  Q+ = D

  খ

  Q+ = T ⊕ Q

  গ

  Q+ = JQ’ + K’Q

  ঘ

  Q+ = S + R’Q
• What step is taken if there are two or more equivalent states in the state machine of any Finite State Machine?
  ক

  All of them are kept as they are

  খ

  Only one row of such state is kept and others are omitted

  গ

  All of them are omitted

  ঘ

  Any one row of the equivalent states are omitted
• In the timing diagram of sequential synchronous circuits, what the false outputs are termed as?
  ক

  Spikes

  খ

  Delays

  গ

  Distortions

  ঘ

  Jerks
• Which Circuit model of the following is termed as class C circuit model?
  ক

  Moore Circuit with output decoder

  খ

  Moore Circuit without output decoder

  গ

  Mealy Circuit

  ঘ

  Memory Circuits only
• Which Circuit model of the following is termed as class A circuit model?
  ক

  Moore Circuit with output decoder

  খ

  Moore Circuit without output decoder

  গ

  Mealy Circuit

  ঘ

  Memory Circuits only
• In a state table, when do the two states are termed as equivalent?
  ক

  Both have same output only

  খ

  Both have same next state only

  গ

  Both have same output as well as same next state

  ঘ

  Both have same input
• Which of the following represents the output of a Moore Machine? )
  ক

  Op(t) = D(Op(t))

  খ

  Op(t) = D(Op(t)i(t))

  গ

  Op(t) = c

  ঘ

  Op(t) = D(Op(t)/i[t
• What are the elements included in state chart diagrams?
  ক

  Transitions

  খ

  Condition markers

  গ

  Iteration markers

  ঘ

  Lifeline markers
• Moore Machine is an application of which of the following?
  ক

  Finite Automata with no input

  খ

  Finite automata with output

  গ

  Non-finite automata with an output

  ঘ

  Non-finite automata without an output
• The output of which type of clocked sequential circuits depends on the present states of the used flip-flops as well as on the circuit inputs?
  ক

  Mealy Circuits

  খ

  Moore Circuits

  গ

  Sequential Circuits

  ঘ

  Logic Circuits
• The output of which type of clocked sequential circuits depends only on the present states of the used flip-flops?
  ক

  Mealy Circuits

  খ

  Moore Circuits

  গ

  Sequential Circuits

  ঘ

  Logic Circuits
• For signals which are updated frequently _____ is used.
  ক

  static storage

  খ

  dynamic storage

  গ

  static and dynamic storage

  ঘ

  buffer
• In four bit dynamic shift register output is obtained
  ক

  parallel output at inverters 1, 3, 5, 7

  খ

  parallel output at inverters 1, 5, 8

  গ

  parallel output at all inverters

  ঘ

  parallel output at inverter 2, 4, 6, 8
• In a four bit dynamic shift register basic nMOS transistor or inverters are connected in
  ক

  series

  খ

  cascade

  গ

  parallel

  ঘ

  series and parallel
• Register cell consists of
  ক

  inverter

  খ

  pass transistor

  গ

  inverter & pass transistor

  ঘ

  none of the mentioned
• Non inverting dynamic register storage cell consists of _________ transistors for nMOS and _________ for CMOS.
  ক

  six, eight

  খ

  eight, six

  গ

  five, six

  ঘ

  six, five
• Inverting dynamic register element consists of __________ transistors for nMOS and _________ for CMOS.
  ক

  two, three

  খ

  three, two

  গ

  three, four

  ঘ

  four, three
• As the temperature is increased, storage time ____________
  ক

  halved

  খ

  doubled

  গ

  does not change

  ঘ

  tripled
• ___________ is used to drive high capacitance load.
  ক

  single polar capability

  খ

  bipolar capability

  গ

  tripolar capability

  ঘ

  bi and tri polar capability
• Which are easier to design?
  ক

  clocked circuits

  খ

  asynchronous sequential circuits

  গ

  clocked circuits with buffer

  ঘ

  asynchronous sequential circuits with buffers
• Clocked sequential circuits are
  ক

  two phase overlapping clock

  খ

  two phase non overlapping clock

  গ

  four phase overlapping clock

  ঘ

  four phase non overlapping clock