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Digital Electronics

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

 Mapping
 T-Map
 Graphing
 K-Map

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Digital Electronics
The 1’s complement of 11010111 is

 11101000
 10101000
 10101000
 00101000

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 selective prime implicants
 essential prime implicants
 implicants
 prime implicants

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +2n-1,-(2n-1-1)
 +(2n-1-1),-2n-1
 None of these
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 NOR gate
 X-OR gate
 NAND gate
 X-NOR gate

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

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

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