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Digital Electronics

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

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

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 All inputs are LOW
 The inputs are different
 All inputs are HIGH
 The inputs are equal

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Both A and B
 Conversion
 Sequential
 Combinational

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Digital Electronics
A number system with radix 2 is known as

 Binary
 Decimal
 Hexadecimal
 Octal

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 none
 2.
 both are same
 1.

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Digital Electronics
The effect of stray magnetic field on the actuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are

 Perpendicular.
 Inclined at 30°.
 Inclined at 60°.
  Parallel.

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