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Digital Electronics

Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17607
 17670
 17067
 10767

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 NOR
 AND
 NAND
 none of these

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Digital Electronics
The universal gate is ___________

NAND gate
None of these
AND gate
OR gate

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 256
 8
 128
 255

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Digital Electronics
Which of the following codes is known as the 8421 code?

 XS-3 code
 Gray code
 ASCII code
 BCD code

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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
 +(2n-1-1),-(2n-1-1)

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