Question Discussion & Solution

Five friends: A, C, F, U and Z.

1) F is shorter than A who is shorter than Z.

F < A < Z

2) C is shorter than F but not as shorter as U.

This means U is shorter than C.

U < C < F

Combining 1) and 2), we get:

U < C < F < A < Z

The correct answer is Charles Babbage.

• Charles Babbage is considered to be the ‘Father of Modern Digital Computer’.

Key Points

• Digital computer, any of a class of devices capable of solving problems by processing information in discrete form.
  • It operates on data, including magnitudes, letters, and symbols, that are expressed in binary code—i.e., using only the two digits 0 and 1.
  • Examples of digital electronic computers include the IBM PC, the Apple Macintosh as well as modern smartphones.
• Today computers are being used almost everywhere like schools, colleges, hospitals, offices, railway stations, hotels, etc.
• A computer system is multitasking so that you can do two tasks very easily at the same time.

Additional Information

• Storage Capacity of Computer
  • Computer systems have a very large capacity to store any type of data.
  • A computer can store and resell any information due to its storage capacity. 
  • Computers have the ability to store all types of data such as data, pictures, files, programs, games, and sound for many years and later we can get any data in a few seconds at any time for taking that information and for future retrieval.
• Reliability of Computer
  • Reliability is a very big characteristic of computers.
  • Today almost all the big industries or big e-Commerce companies like Amazon and Flipkart, and big search engine companies like - Google and Bing, all these companies are dependent on computers. 
  • Today every major industry and company in the world has full confidence in their computers, and their entire business is running from computers.
• Diligence of Computer
  • A person gets tired of doing some work in a few hours and a computer has the ability to do any work continuously for many hours, days, months. 
  • Even after the computer has worked for such a long time, there is no decrease in its ability to work and its accuracy.
  • The computer does work without any discrimination.
    • A computer is free from monotony and tiredness.
• Accuracy of Computer
  • A computer is very accurate.
    • It does not make any kind of mistake in calculating.
    • Sometimes we get some errors but these are because of the mistake performed by us.
  • The Accuracy of the computer is constantly high and it can perform hundreds of operations with the carry-out calculation and analysis accurately and speedily.

The correct answer is Minamata.

Key Points

• Minamata disease is a disease caused by severe mercury poisoning.
• It is a neurological disease.
• Symptoms of the disease:-
  • Ataxia, general muscle weakness, numbness in the hands and feet, loss of peripheral vision, and damage to hearing and speech.

Additional Information

• Due to mining, Itai-Itai disease was caused by cadmium poisoning.
• Symptoms of Methemoglobinemia:- 
  • Headache, shortness of breath, dizziness, nausea, blue-colored skin, and poor muscle coordination.
• Poliomyelitis is caused by infection with a member of the genus Enterovirus. It is known as poliovirus.

The correct answer is Pavo cristatus.

The correct answer is ARP (Address Resolution Protocol)

Additional Information

• Address Resolution Protocol (ARP) is a protocol or procedure that connects an ever-changing Internet Protocol (IP) address to a fixed physical machine address, also known as a media access control (MAC) address, in a local-area network (LAN).
• The RARP is on the Network Access Layer and is employed to send data between two points in a very network. The client broadcasts a RARP request with an Ethernet broadcast address and with its own physical address. The server responds by informing the client its IP address.24