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Digital Electronics

Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F53F
F52E
F53O
G52F

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Digital Electronics
Switching circuits are

 analog circuits
 none of these
 digital circuits
 hybrid circuits

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Digital Electronics
Which of the following is a self-complementing code?

 Hamming code
 cyclic code
 Gray code
 XS-3 code

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10101010
 11101110
 10011001
 11111111

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Digital Electronics
"What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease"

C & D
A & B
B & C
A & D

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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

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

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