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Digital Electronics

Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

OR gate
NOT gate
AND gate
None of these

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 6
 2
 8
 4

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Digital Electronics
An n variable K-map can have

 n2 cells
 2n cells
 n2n cells
  nn cells

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

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

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

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Digital Electronics
Which of the following is a digital device

 Regulator of a fan
 Microphone
 Resistance of a material
 Light switch

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