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Digital Electronics

Digital Electronics
To get an excess-3 code from BCD code

 0110 is subtracted
 0011 is added
 0110 is added
 0011 is subtracted

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Digital Electronics
In Boolean algebra A.A is equal to

 2A
 1
 A²
 A

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Digital Electronics
NAND. gates are preferred over others because these

consume least electronic power
have lower fabrication area
provide maximum density in a chip.
can be used to make any gate

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Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A.B
 A - B
 A + B
 A & B

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Digital Electronics
The 1’s complement of 11010111 is

 10101000
 10101000
 11101000
 00101000

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Digital Electronics
The process of entering information in EPROM is commonly known as

None of these
 writing
 storing
 programming

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MORE MCQ ON Digital Electronics

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