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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 15
 16
 4
 7

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Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=D
 Q=D'
 Q=0

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Digital Electronics
An n variable K-map can have

 n2n cells
 n2 cells
  nn cells
 2n cells

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 8
 16
 7
 32

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is added
 0110 is added
 0110 is subtracted
 0011 is subtracted

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 OR, NOT, AND.
 NOR, NAND, XNOR.
 XOR, NOR, NAND.
 NOR, NAND.

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