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Digital Electronics

Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 129
 1023
 32
 9

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

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Digital Electronics
The decimal number 0.246 in binary is

 0.010111
 0.011011
 0.001111
 0.001101

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 1
 4
 any number
 2

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 ECL ICs
 TTL ICs
 CMOS ICs
 MOS ICs

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 4
 8
 6
 2

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