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Digital Electronics

Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 OR, NOR
 NOR, OR
 NAND, AND
 AND, NAND

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

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

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Digital Electronics
An n variable K-map can have

 n2n cells
 n2 cells
 2n cells
  nn cells

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Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 00110110
 01000100
 00100100

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 20
 < 25
 < 12
 < 6

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1101
 0100 1111 0010 1100
 0101 1111 0010 1100
 0100 1110 0010 1101

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