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Digital Electronics

Digital Electronics
Stack is also known as

 FIFO memory
 LILO memory
 LIFO memory
 Flash memory

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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-NOR
 AND
 OR
 X-OR

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Digital Electronics
Combinations that are not listed for the input variables are

 Carry
 Don't Care
 Borrow
 Overflow

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 1010
 F0F0
 5050

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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
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-2n-1
 +2n-1,-(2n-1+1)
 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1

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