Question Discussion & Solution

The correct answer is ​Wide Area Network (WAN).

Key Points

• A global system of interconnected computers, using a standardized Internet Protocol suite for communication and sharing information is called the Internet.
• World Wide Web or ‘www’ is a collection of web pages that can easily be published on the Internet and read by millions of its users. 
• The first development was the introduction of host-to-host network interactions.
• This was first observed in ARPANET in 1969.
• It was developed by the Advanced Research Projects Agency (APRA) of the Department of Defence, U.S. It was one of the first general usages of computer networks.

Important Points

• A personal area network, or PAN, is a computer network organized around an individual person within a single building. This could be inside a small office or residence.
• A typical PAN would include one or more computers, telephones, peripheral devices, video game consoles, and other personal entertainment devices.
• A local area network, or LAN, consists of a computer network at a single site, typically an individual office building. A LAN is very useful for sharing resources, such as data storage and printers.
• LANs can be built with relatively inexpensive hardware, such as hubs, network adapters, and Ethernet cables.
• A metropolitan area network, or MAN, consists of a computer network across an entire city, college campus, or small region. A MAN is larger than a LAN, which is typically limited to a single building or site.
• Depending on the configuration, this type of network can cover an area from several miles to tens of miles. A MAN is often used to connect several LANs together to form a bigger network.
• When this type of network is specifically designed for a college campus, it is sometimes referred to as a campus area network, or CAN.
• A wide area network, or WAN, occupies a very large area, such as an entire country or the entire world. A WAN can contain multiple smaller networks, such as LANs or MANs. The Internet is the best-known example of a public WAN. 

1 atm is equal to 760 torr.

• The atmospheric pressure(atm) is unit of the pressure within the atmosphere of Earth. 
• At sea level the Earth's atmospheric pressure is 1 atm.
• The torr is an absolute-scale which is unit of pressure.
• The unit took its name from Evangelista Torricelli, an Italian physicist and mathematician who invented the barometer theory in 1644.

The correct answer is www.gmail.com.

• www.gmail.com is not a search engine.

Key Points

• Search engine
  • A search engine is a program that searches for Web documents.
  • Yahoo!, Google, Bing and AltaVista are some examples of search engines.

​Additional Information

• Gmail ​
  • Gmail is a free email service provided by Google.
  • As of 2019, it had 1.5 billion active users worldwide.
  • A user typically accesses Gmail in a web browser.

The correct answer is Divya Dutta​.

Key Points

• Padmashree Srinivas Udgata was awarded Kalinga Literary Award and Arun Kamal was awarded the Kalinga Literary International award. 
• Divya Dutta was awarded Kalinga Literary (Woman Writer) Award.
• The eighth edition of the Kalinga Literary Festival (KLF) was inaugurated by Odisha Tourism Minister, Jyoti Prakash Panigrahi in Bhubaneswar on 10 Dec 2021.
• 'India at 75: Commemorating the Republic of Letters' is the theme of the festival to mark the country's 75th year of Independence.

Important Points

• A total of 30 awards were given away to eminent authors and translators of repute by the organisers of the Kalinga Literary Festival on its eighth edition.
• Tamal Bandopadhyay was awarded the best writer in the Economy category for his book “Pandemonium: The Great Indian Banking Tragedy”.
• For the Children’s literature section Sudha Murty was selected for her book called “Grandparents’ Bag of Stories”.
• Former West Bengal Governor Gopal Krishna Gandhi was selected for his book on Mahatma Gandhi.
• Rashid Kidwai’s book “Bharat Ke Pradhan Mantri” was selected for the autobiography category.

Additional Information

• The KLF Book Awards opens up the opportunities to identify, recognise, acknowledge, encourage and honour the literary talents across genres, for both established and new writers.
• KLF Book Awards are conferred on those people and their works, which have made seminal contributions to their chosen fields and have impacted the society at large through literature.
• Kalinga Literary Festival confers three awards, Kalinga International Literary Award, Kalinga Literary Award, and Kalinga Karubaki Award, annually to the noted Indian writer.

Binary semaphores are also known as Mutex locks, as they are locks that provide mutual exclusion.

Explanation:-

Binary semaphores:- This is also known as mutex lock. It can have only two values 0 and 1. Its value is initialized to 1. It is used to implement the solution of critical section problems with multiple processes.

 Important PointsCounting semaphores:- Its value can range over an unrestricted domain. It is used to control access to a resource that has multiple instances

Using mutex:- A mutex provides mutual exclusion, either producer or consumer can have the key (mutex) and proceed with their work. 

Shared variable:- A semaphore is a shared variable that is used to implement mutual exclusion between system processes.
 Additional InformationSemaphore used:- Semaphores are typically used in one of two ways: To control access to a shared device between task. A Printer is a good example. You don'twant 2 tasks sent to the printer at once, so you create a binary semaphore to control printer access.