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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 1 and 3
 0 and 4
 0 and 3

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Digital Electronics
OR operation is equivalant to

 Division
 Union
 Both B and C
 Intersection

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 90 mV.
 30 mV.
 900 mV.
 300 mV.

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 A= G
 G = Ā
None of these
 G = A

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 4
 5
 6
 8

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Digital Electronics
In decimal number system what is MSD

 Mean of all digits
 Middle digit
 First digit from left to right
 First digit from right to left

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