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Digital Electronics

Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 01000110
 00000001
 11000110

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 OR
 NAND
 AND
 NOT

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Digital Electronics
Digital computers are more widely used as compared to analog computers, because they are

Useful over wider ranges of problem types
Always more accurate and faster
Less expensive
Easier to maintain

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Digital Electronics
A graphical representation of a products in a truth table is called as

 Graphing
 T-Map
 K-Map
 Mapping

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Digital Electronics
1 kb represents

 1000 bytes
 1024 bytes
 10,000 bytes
 100 bytes

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Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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