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Digital Electronics

Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 01000100
 00100100
 00110110

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

 AND
 NOR
 NAND
 X-OR

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Digital Electronics
In binary number system the first digit (bit) from right to left is called as

 LSB, Least Significant Bit
 MSB, Most Significant Bit
 Last Bit
 First Bit

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Digital Electronics
In LSI, the number of gate circuits per chip is

 100 to 999
 100 to 9,999
 < 10,000
 1000 to 10,000

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NOR or an X-NOR
 a NAND or an X-NOR
 a NAND or an AND
 a NAND or an X-OR

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Digital Electronics
Which of the following is a self-complementing code?

 Gray code
 Hamming code
 cyclic code
 XS-3 code

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