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Digital Electronics

Digital Electronics
All the integers and decimal numbers are represented by

 odd numbers
 real numbers
 even numbers
 whole numbers

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

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

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Digital Electronics
An X-OR gate gives a high output

 if it has even number of 0s
 if the decimal value of digital word is even
 if there are odd number of 1s
 for odd decimal value.

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 1 V and 5 V
 –1.5 V and – 0.5 V
 0 V and 5 V
 5 V and 0 V

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Digital Electronics
2's Complement of 10101011 is

 01010101
 00111100
 10101100
 10101011

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Digital Electronics
One bit full adder has ________ inputs

 4
 2
 3
 any number

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MORE MCQ ON Digital Electronics

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