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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 two
 one
 three
 four

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 8
 10
 12
 16

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 0, C = 1
 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 1

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

 essential prime implicants
 selective prime implicants
 implicants
 prime implicants

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NAND-NAND realization
 NAND-NOR realization
 NOR-NAND realization
 NOR-NOR realization

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH
 the input is LOW
 the input is HIGH and LOW
None of these

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