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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?

 12
 13
 10
 11

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Digital Electronics
To get an excess-3 code from BCD code

 0110 is added
 0110 is subtracted
 0011 is added
 0011 is subtracted

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Digital Electronics
Which one of the following is not a vectored interrupt?

 TRAP.
 RST 6.5.
 RST 7.5.
 INTR.

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 1 V and 5 V
 5 V and 0 V
 0 V and 5 V
 –1.5 V and – 0.5 V

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

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Evaluation
State Assignment
State Reduction
State Minimization

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