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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 011111
 110101
 101011
 111110

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Digital Electronics
A + Ā is equal to

 1
 A
 0
 Ā

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 complement of a NOR gate
 X-OR gate followed by an inverter
 NOT gate followed by a NOR gate
 inverter followed by an X-OR gate

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Digital Electronics
A graphical representation of a products in a truth table is called as

 Mapping
 T-Map
 K-Map
 Graphing

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Digital Electronics
Most of the digital computers do not have floating point hardware because

Of no specific reason
Floating point hardware is costly
It is not possible to perform floating point addition by hardware
It is slower than software

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

 XS-3 code
 ASCII code
 Gray code
 BCD code

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