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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 + 2)-bit
 (n + n)-bit

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

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Digital Electronics
In ULSI, the number of gate circuits per chip is

 1,00,000 to 10,00,000
 50,000 to 99,999
 > 1,00,000
 > 50,000

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 None of these
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1-1)
 +(2n-1-1),-2n-1

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Digital Electronics
The hex address of the 256th memory location is

 000FF
 00100
 001FF
 00FFF

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Digital Electronics
A bubbled AND gate is equivalent to a

 X-OR gate
 NOR gate
 NAND gate
 OR gate

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