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Digital Electronics

Digital Electronics
The 1’s complement of 11010111 is

 00101000
 10101000
 11101000
 10101000

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 n – m literals
 n + m literals
 m – 1 literals less than the total number of variables
 m + 1 literals less than the total number of variables

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 OR
 NAND
 NOR
 X-OR

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Digital Electronics
An EPROM is

 volatile
 non erasable
 erasable but not programmable
 programmable and erasable

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 XOR, NOR
 XOR, OR
 OR, NOR

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -25, -9 and -57 respectively
 -6, -6 and -6 respectively
 25, 9 and 57 respectively
 -7, -7 and -7 respectively

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