Digital electronics miscellaneous
- In what type of shift register do we have access to only the leftmost and rightmost flip-flops—
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NA
Correct Option: A
NA
- Mark the false statement—
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NA
Correct Option: C
NA
- A decoding gate required to produce a LOW output when a MOD-64 counter is at the count of 27 is—
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NA
Correct Option: B
NA
- A MOD-32 binary synchronous counter would require—
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NA
Correct Option: C
NA
- A binary ripple counter is to be constructed using J-K flip-flops with each flip-flop having a propagation delay of 12 ns. The largest MOD counter that can be constructed using these flip-flops and still operate upto a clock frequency of 10 MHz is—
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Given, operating frequency = 10 MHz
tpd = 12 ns of each flip-flop
we know thator 10 × 106 ≤ 1 n × 12 × 10-9 or n ≤ 100 12
or n ≤ 8.33
or n = 8
Now, Modulus or MOD,
N = 2n = 8 = 256
Hence alternative (C) is the correct choice.Correct Option: C
Given, operating frequency = 10 MHz
tpd = 12 ns of each flip-flop
we know thator 10 × 106 ≤ 1 n × 12 × 10-9 or n ≤ 100 12
or n ≤ 8.33
or n = 8
Now, Modulus or MOD,
N = 2n = 8 = 256
Hence alternative (C) is the correct choice.