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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 NOR
 OR
 AND
 NAND

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 8
 128
 256
 255

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

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

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Digital Electronics
An AND gate can be imagined as

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

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Digital Electronics
The XS-3 code is a

 self-complementing code
 cyclic code
 error-correcting code
 weighted code

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Digital Electronics
Which of the following codes is known as the 8421 code?

 Gray code
 XS-3 code
 ASCII code
 BCD code

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MORE MCQ ON Digital Electronics

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