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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 X-OR gate
 NAND gate
 NOR gate
 OR gate

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 8
 3 × 4
 8 × 4
 3 × 8

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 01011101
 10100010
 11011101
 11011110

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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

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

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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
One bit full adder has ________ outputs.

 any number
 4
 2
 3

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