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Digital Electronics

Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 4
 1
 0
 2

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Digital Electronics
How many input and output required for multiplexer ?

None of these
 Many input and one output
 One input and many output
 One input and one output

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 a NAND or an X-OR
 an AND or a NOR
 an OR or an X-OR
 an OR or an X-NOR

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Digital Electronics
The process of entering information in EPROM is commonly known as

 storing
 programming
None of these
 writing

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Digital Electronics
AND operation is equivalant to

 Both B and C
 Division
 Intersection
 Union

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

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