Questions

One way is shorting the two inputs of the NAND gate and passing the input.

truth table:

A B output

1 1 0

0 0 1

The second way is passing the input to only one input (say A) of the NAND gate. Since the other input  (say B is floating, it is always logic one.

Truth table:

A B output

1 1 0 

0 1 1

All the three statements lead to either increase in demand of goods and services or decrease in the supply. This leads to increase in general level of prices.

National Statistics day is celebrated annually 29th June, on the occasion of Birth anniversary of India’s eminent statistician Late Prof Prasanta Chandra Mahalanobis.

It also commemorates the contributions made by PC Mahalanobis in the fields of statistics and economic planning.

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Newton's III law involved

Electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines surrounding a wire.

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Pertussis refers to whooping cough.