Wi-Fi Technology by Muhammad Yousuf Ali

In the Internet world Wi-Fi Technology become the important part of our lives without Wi-Fi life is feel incomplete. According to recent report 5.30 billion people around the world were using the internet which is equivalent to 65.7 percent of the world’s total population. This small article try to explore the Answer of following questions.

What is Wi-Fi Technology?

What is difference between Wi-Fi and Internet?

What are the 3 types of Wi-Fi?

What are Advantages and Disadvantages of Wi-Fi?

What is Wi-Fi Technology?

Wi-Fi is a wireless networking technology that uses radio waves to provide wireless high-speed Internet access. A common misconception is that the term Wi-Fi is short for “wireless fidelity,” however Wi-Fi is a trademarked phrase that refers to IEEE 802.11x standards.

What is difference between Wi-Fi and Internet?

Wi-Fi connects devices within a limited range, such as a home, office, or public place like a coffee shop or library. The internet, on the other hand, connects devices around the world through a network of servers, routers, and other infrastructure.

What are the 3 types of Wi-Fi?

There are a types of wireless networks: 

Personal-Area Network (PAN),

Metropolitan-Area Network (MAN),

Wide-area network (WAN)

What are advantages of Wi-Fi?

Easy to install

A Wi-Fi network is inexpensive, easy to install, expandable, offers low latency (better than LMR), and excellent data rates.

More Connectivity

A wide variety of devices can be made WiFi capable to connect to each other or to the Internet.

Connect many Devices.

Many devices such as smartphones and as well as Laptop, desktop and tablate  have WiFi already installed as standard.

What are disadvantages of Wi-Fi?

Security

Wireless networks are considered more vulnerable to hacker attacks.

Coverage

Wireless coverage areas have a limited range of connectivity (often from 50-300 ft).

Transmission Speed

The transmission of data is usually slower than most Cable/wired networks.

How to Cite This Article

M.Y. Ali (2023). Wifi Technology. https://profileusuf.wordpress.com/2023/11/18/wi-fi-technology/

Librarianship and Types of Librarian

by Dr. Muhammad Yousuf Ali

Librarianship is one of the emerging professions. Librarians are working in the different types of libraries. Most of young librarians and students are unaware about the important specialization in the librarianship. This special piece described about the Librarianship and different types of librarianship. Here we discussed following main points.  

What is Librarianship?

What are the main different types of Librarianship?

What is librarianship?

A profession concerned with acquiring and organizing collections of books and related materials in libraries and servicing readers and others with these resources.

What are the main different types of Librarianship?

There are six important types of Librarianship.

1. Embedded Librarian
2. Liaison Librarian
3. Medical Librarian
4. Reference Librarian
5. Research Librarian
6. Technical Librarian

Embedded Librarian

Embedded librarians are integrated information experts that offer more direct research assistance to groups of faculty and students than the typical one-shot instruction session, often over the course of an entire semester.

Liaison Librarian

A liaison is a Libraries faculty designated as the formal contact person between the library and a particular academic unit (school, department, or centre). In keeping with the library’s mission, the primary responsibility of a liaison is to meet the unit’s information needs through instruction, collection development, research assistance to faculty and students, and the fulfillment of other unit needs related to the library such as support for accreditation reviews.

Medical Librarian

Medical librarians, also known as health information professionals, medical information specialists, or multiple variations thereof, find, analyse, provide access to and present critical information that improves patient care and supports health and medical education, research, and publication.

Reference Librarian

Reference librarians recommend, interpret, evaluate, and/or use information resources to help patrons with specific information needs. Requests for assistance often occur in person at the library, reference is increasingly conducted by phone, chat and email.

Research Librarian

A research librarian is responsible for organizing and maintaining research support service and information for an organization university or research-based institutions. Research Librarian is always ready to support researchers and research support.

Technical Librarian

A technical services librarian specializes in acquiring, organizing cataloguing classification and technical all kinds of library materials.

How to cite this Article :-

Ali, M.Y. (13 Aug 2023). Librarianship and Types of Librarian. https://profileusuf.wordpress.com/2023/08/14/librarianship-and-types-of-librarian/

Cloud Computing Characteristics and Types by Muhammad Yousuf Ali

Cloud Computing

Hypothesis symbol H

by Muhammad Yousuf Ali

1. Symbol: H₀ (H-naught)

Meaning:

It refers to the null hypothesis.

Formula used:

The null hypothesis is the hypothesis regarding the population parameter. This is the hypothesis used in statistics that states that there is no statistical significance for a given set of observations.

Used in:

Testing of Hypothesis used in H₀ (H-naught).

2. Symbol: H₁ (H-one)

Meaning:

It refers to the alternative hypothesis.

Formula used:

The alternative hypothesis is formed in such a way that when we reject the null hypothesis we accept the alternative hypothesis.

Used in:

Testing of Hypothesis used in H₁ (H-one).

To know about hypotheses types please watch this video

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