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Digital Electronics

Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 13
 12
 10
 11

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Digital Electronics
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

Tristate output operation
Bi-directional I/O pin access
Input operation
All of these

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code converter
 code decoder
 coder
 code encoder

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Digital Electronics
Counter is a

  none.
  combinational circuit.
  sequential circuit.
  both.

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively
 25, 9 and 57 respectively

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

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

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