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Digital Electronics

Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 OR
 AND
 NOR
 XOR

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Digital Electronics
The NAND-NAND realization is equivalent to

 OR-AND realization
 AND-OR realization
 NOT-OR realization
 AND-NOT realization

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Output is inverted
 Open collector output
None of these
 Tristate

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

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Digital Electronics
Fastest memory element is

 RAM
 Hard Drive
 ROM
 Cache

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Digital Electronics
In decimal number system what is MSD

 Middle digit
 First digit from right to left
 First digit from left to right
 Mean of all digits

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