Question Discussion & Solution

Least possible diagram is:

I. Some nice are rich → True

II. Some bad are nice → False (Possible but not definite)

III. All poor are nice → False (Possible but not definite)

Here the pattern is,

0.15552 ÷ 0.3 = 0.5184,

0.5184 ÷ 0.3 = 1.728,

1.728 ÷ 0.3 = 5.76,

Similarly, we have :

5.76 ÷ 0.3 = 19.2

CONCEPT:

Logic Gates:

• The logic gates are used in electronic circuits that give a certain output for a given set of Inputs.
• and which is based on a certain logic. 
• Input and output are in binary form that is 1 and 0.
• It is based on certain Logic.
• Some basic logic gates are AND gate, OR gate, NOT gate. 
• To build digital logic we develop a combination of these gates. 

AND Gate

•  If both the inputs are high, it produces a high output.
• The Boolean algebra for AND gate is X = A. B
• It means that if any of the input of A and B is zero, the output will be zero.
• If both are one, the output will be one.

The correct option is AND Gate. 

Additional Information

NOT gate:  

• It inverts the input. Whatever the input is given, it changes its value at the output.
• The Boolean algebra for NOT gate is X = X̅

16 = 4²

100 = 10²

196 = 14²

216 = 6³

16, 100 and 196 are the perfect squares whereas 216 is a perfect cube.

1024 bytes = 1 kilobyte.

1024 kilobytes = 1 Megabyte.

1024 megabytes = 1 Gigabyte.

1024 gigabytes = 1 Terabyte.