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Digital Electronics

Digital Electronics
All the integers and decimal numbers are represented by

 odd numbers
 whole numbers
 even numbers
 real numbers

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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
Which of the following memories uses one transistor and one capacitor as basic memory unit

 None
 DRAM
 SRAM
 Both SRAM and DRAM

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 X-OR
 X-NOR
 OR
 AND

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m-1
 2m
 2m-1
 2m+1

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Digital Electronics
In which code do the successive code characters differ in only one position?

 XS-3 code
 Hamming code
 8421 code
 Gray code

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