1) Which sequential circuits generate the feedback path due to the cross-coupled connection from output of one gate to the input of another gate?
a. Synchronous
b. Asynchronous
c. Both a & b
d. None of the above
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2) What is/are the crucial function/s of memory elements used in the sequential circuits?
a. Storage of binary information
b. Specify the state of sequential
c. Both a & b
d. None of the above
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3) How are the sequential circuits specified in terms of time sequence?
a. By Inputs
b. By Outputs
c. By Internal states
d. All of the above
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4) The behaviour of synchronous sequential circuit can be predicted by defining the signals at ______.
a. Discrete instants of time
b. Continuous instants of time
c. Sampling instants of time
d. At any instant of time
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5) Which memory elements are utilized in an asynchronous & clocked sequential circuits respectively?
a. Time-delay devices & registers
b. Time-delay devices & flip-flops
c. Time-delay devices & counters
d. Time-delay devices & latches
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6) Why do the D-flipflops have designation or nomenclature as 'Data Flipflops'?
a. Due to its capability to receive data from flipflop
b. Due to its capability to store data in flipflop
c. Due to its capability to transfer the data into flipflop
d. All of the above
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Answer
Explanation
Related Ques
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ANSWER: Due to its capability to transfer the data into flipflop
Explanation:
No explanation is available for this question!
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7) The characteristic equation of D-flipflop implies that _____.
a. The next state is dependent on previous state
b. The next state is dependent on present state
c. The next state is independent of previous state
d. The next state is independent of present state
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Answer
Explanation
Related Ques
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ANSWER: The next state is independent of present state
Explanation:
No explanation is available for this question!
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8) Which circuit is generated from D-flipflop due to addition of an inverter by causing reduction in the number of inputs?
a. Gated JK- latch
b. Gated SR- latch
c. Gated T- latch
d. Gated D- latch
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9) What is the bit storage binary information capacity of any flipflop?
a. 1 bit
b. 2 bits
c. 16 bits
d. Infinite bits
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10) What is/are the directional mode/s of shifting the binary information in a shift register?
a. Up-Down
b. Left-Right
c. Front-Back
d. All of the above
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11) Which time interval specify the shifting of overall contents of the shift registers?
a. Bit time
b. Shift time
c. Word time
d. Code time
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12) Which type of shift register is renowned as 'bit bucket brigade circuit' by presenting the input data and applying the clock pulse for the movement of bits across the storage elements?
a. Serial In - Serial Out (SISO)
b. Serial In - Parallel Out (SIPO)
c. Parallel In - Parallel Out (PIPO)
d. Parallel In - Serial Out (PISO)
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13) What is the value of a time delay introduced in the system of digital delay line shift register especially on the appearance of an input pulse train?
a. (n + 1) T = Δ
b. (n - 1) T = Δ
c. (n + 1) / T = Δ
d. (n - 1) / T = Δ
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14) Which kind of dynamic shift register has a provision of repeating the code continuously by connecting its output back to the serial input?
a. PIPO Register
b. SISO Register
c. Multi-mode Shift Register
d. Reintrant Shift Register
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15) A counter is fundamentally a _________ sequential circuit that proceeds through the predetermined sequence of states only when input pulses are applied to it.
a. Register
b. Memory unit
c. Flipflop
d. Arithmatic logic unit
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16) Match the following sequential Circuits with associated functions
1. Counter ---------------------- A. Storage of Program & data in a digital computer
2. Register -------------------- B. Generation of timing variables to sequence the digital system operations
3. Memory ---------------------- C. Design of Sequential Circuits
a. 1-A, 2-B, 3-C
b. 1-C, 2-B, 3-A
c. 1-C, 2-A, 3-B
d. 1-B, 2-C, 3-A
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17) What is the maximum possible range of bit-count specifically in n-bit binary counter consisting of 'n' number of flipflops?
a. 0 to 2n
b. 0 to 2n-1
c. 0 to 2n+1
d. 0 to 2n+1 / 2
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18) Which property of unit distance counters has the potential to overcome the consequences of multi-bit change flashing that arises in almost all conventional binary and decimal counters?
a. one bits change per unit change
b. two bits change per unit change
c. three bits change per unit change
d. four bits change per unit change
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19) What contributes to the triggering of clock pulse inputs for all the flipflops excluding the first flipflop in a ripple counter?
a. Incoming Pulses
b. Output Transistion
c. Double Clock Pulses
d. All of the above
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20) What is the required relationship between number of flipflops and the timing signals in Johnson Counter?
a. No. of flipflops = 1/2 x No. of timing signals
b. No. of flipflops = 2/3 x No. of timings signals
c. No. of flipflops = 3/4 x No. of timing signals
d. No. of flipflops = 4 x No. of timing signals
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Answer
Explanation
Related Ques
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ANSWER: No. of flipflops = 1/2 x No. of timing signals
Explanation:
No explanation is available for this question!
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