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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 0 and 3
 1 and 4
 1 and 3

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

 prime implicants
 essential prime implicants
 selective prime implicants
 implicants

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NAND gates
 X-OR gates
 NOR gates
 AND gates

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Digital Electronics
Each term in the standard POS form is called a

 maxterm
 literal
 don’t care
 minterm

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 power requirements
 space requirements
 cost
All of these

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When any input is LOW
 When any input is HIGH
 When all input is LOW
 When all inputs are HIGH

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