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Digital Electronics

Digital Electronics
The following code is not a BCD code.

 all of these
 XS-3 code
 Gray code
 8421 code

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

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

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NOR
 X-OR
 AND
 NAND

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -48 as 11101000
 -32 as 11100000
 -37 as 11011011
 -89 as 10100111

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Digital Electronics
1 kb represents

 1000 bytes
 1024 bytes
 10,000 bytes
 100 bytes

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 8
 12
 16
 4

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