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Digital Electronics

Digital Electronics
Unit distance code is the other name of

 sequential code
 self-complementing code
 XS-3 code
 cyclic code

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 1.
 J = 1, K = 0.
 J = 0, K = 0.
 J = 0, K = 1.

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Digital Electronics
How many input and output required for demultiplexer ?

 one input and many output
 number of selection inputs and one output
None of these
 one input and one output

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 300 mV.
 30 mV.
 900 mV.
 90 mV.

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Digital Electronics
(44)8 in BCD 8421 code is

 00100100
 00110110
 01100011
 01000100

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 000010010
 000001001
 100001001
 000010011

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MORE MCQ ON Digital Electronics

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