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Digital Electronics

Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 XOR, OR
 XOR, NOR
 OR, NOR

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Digital Electronics
In a read-only memory information can be stored

 at the time of fabrication
 by the user a number of times
 by the user only once during its life time
 in any of the above ways depending upon the type of memory

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Digital Electronics
A half adder has

 1 input and 1 output
 2 inputs and 2 output
 2 inputs and 1 outputs
 1 input and 2 outputs

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 08H
 48H
 50H
 42H

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 XOR-NAND
 AND-OR
 AND-AND
 NOR-OR

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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
 Tristate
None of these

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MORE MCQ ON Digital Electronics

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