Question Discussion & Solution

The correct answer is Baran.

Key Points

• Shergarh Sanctuary:
  • It is located in Baran district, near Shergarh town. 
  • It was declared as a protected area in 1983.
  • This sanctuary is home to tiger, leopard, wild boar, sloth bear, chital, python, and other animals.

Additional Information

• Other Wildlife sanctuaries in Rajasthan:

Similarly,

So

Hence, “ETHIC” is written as “57239”

The correct answer is Operating system.

Key Points

• UBUNTU is an example of an operating system.
• The operating system is a collection of programs that controls the overall operations of the computer.
• Operating systems are of two types namely, Open-source operating systems and Closed source operating systems.
• UBUNTU is free and open-source software.
• Operating systems works as an interface between a user and computer hardware components.
• Examples of operating systems are:
  • Linux
  • Unix
  • DOS
  • Windows
  • Ubuntu
  • Embedded operating system
  • OpenBSD
  • Mac OS

Additional Information

• Malware is a file or code that is designed to damage and destroy computers and computer systems.
  • Viruses, worms, Trojan viruses, spyware are the common examples of malware.
• A web browser is an application used to access and view websites.
  • Google Chrome, Mozilla Firefox, Apple Safari are the common examples of web browsers.

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

Explanation:

Hygrometer:

• A hygrometer is an instrument used to measure the amount of water vapour in the air (humidity), in soil, or in confined spaces.
• Humidity measurement instruments usually rely on measurements of some other quantities such as -
  • Temperature, pressure, mass, a mechanical or electrical change in a substance as moisture is absorbed.

Additional Information

Hydrometer:

• A hydrometer is an instrument used for measuring the relative density of liquids based on the concept of buoyancy.
• They are typically calibrated and graduated with one or more scales such as specific gravity.
• Hydrometers can be divided into two general classes -
  • liquids heavier than water 
  • liquids lighter than water

A photometer is used to measure the intensity of light produced by an unknown source in terms of a standard source.

• It is an instrument that measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum.
• Most photometers convert light into an electric current using a photoresistor, photodiode, or photomultiplier.
• Photometers are used to determine the correct exposure in photography.
• Photometers measure Illuminance, Irradiance, Light absorption, Scattering of light, Reflection of light, Fluorescence, Phosphorescence and Luminescence.