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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 9
 10
 12
 6

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1000
 1001
 1100
 0011

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Digital Electronics
A bubbled OR gate is equivalent to a

 NOR gate
 AND gate
 X-OR gate
 NAND gate

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 1
 Equal to the MSB of the original byte
 Complement of the MSB of the original byte
 0

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Digital Electronics
Which is the example of digital device from the given option ?

 Thermistors
 Record players
 Sensors
 Microprocessors

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 8
 6
 9
 7

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