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Digital Electronics

Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

 16.
 256.
  8.
  255.

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 AND
 none of these
 OR
 NOR

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 BCD codes
 self-complementing codes
 cyclic codes
 sequential codes

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Digital Electronics
The binary code of (21.125)10 is

10100.001
10101.001
10101.01
10100.111

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 output
 input
 triggering
 clearing

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 8, 16
 12, 8
 16, 8
 6, 16

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