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Digital Electronics

Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 AND
 X-NOR
 NOR
 NAND

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Operating
 Truth
 Run-time
 Propagation

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Digital Electronics
An AND gate can be imagined as

 transistors connected in series
 switches connected in parallel
 transistors connected in paralle
 switches connected in series

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1
 w = 0,y = 0,z = 1

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 129
 9
 32
 1023

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Digital Electronics
The devices commonly used for making digital circuits are

 semiconductor devices
 contact switches
 mechanical switches
 relays

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