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Digital Electronics

Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 n-bit
 (n + 1)-bit
 (n + n)-bit
 (n + 2)-bit

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Digital Electronics
The universal gate is ___________

NAND gate
AND gate
OR gate
None of these

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Both A and B
 Combinational
 Sequential
 Conversion

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 1
 w = 0,y = 0,z = 1
 w = 1,y = 1,z = 0

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Digital Electronics
Stack is also known as

 FIFO memory
 Flash memory
 LIFO memory
 LILO memory

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

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