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/

Primary Secondary and Tertiary Information Sources by Muhammad Yousuf Ali

What are information sources?

An information source is a person, thing, or place from which information comes, arises, or is obtained

Information Sources

An Information Source is a source of information for somebody, i.e. anything that might informs a person about something on provide knowledge to somebody. Information sources may be observations, people speeches, documents, pictures, organizations etc.

What are the three different Types information Sources and their Example?  

There are three types of information Sources

1) Primary Sources

Primary sources are created as close to the original event or phenomenon as it is possible to be. For example, a photograph or video of an event is a primary source.

Original written works like poems, diaries, court records, interviews,

Original Research findings fieldwork survey, Theory and experiment

Primary sources there are three main dimension

Original Documents	Creative Works	Relics and Artifacts
Diaries	Art works	Pottery
Speeches	Novels	Decorative arts
Correspondence	Poetry	Clothing
Interviews	Music	Buildings
Manuscripts	Architectural drawings/plans	Textiles
Government Documents	Photographs	Needlework
News film footage	Film
Archival Materials
Autobiographies

2) Secondary Sources

Secondary Sources are accounts written after the fact with the benefit of hindsight. They are interpretations and evaluations of primary sources. Secondary sources are not evidence, but rather commentary on and discussion of evidence

Examples

Bibliographies

Biographical works

Commentaries, criticisms

Conference proceedings

Essays or reviews

Histories

Literary criticism such as journal articles

Magazine and newspaper articles

Monographs, other than fiction and autobiographies

Reprints of art works

3) Tertiary Sources

A tertiary source presents summaries or condensed versions of materials, usually with references back to the primary and/or secondary sources

A tertiary source presents summaries or condensed versions of materials, usually with references back to the primary and/or secondary sources. 

In other words it provides information about the information.

Examples

Almanacs

Abstracts

Dictionaries

Encyclopedias

Handbooks

Library Catalogue

What are usage of Information sources?

1. To help out in research evidence

2. To help out in literature review

3. To provide guidance right source of Information

4. To provide justification to the reviewer.

Cite This Article

Ali, M.Y (23 Mar 2021). Primary Secondary and Tertiary Information Sources. https://profileusuf.wordpress.com/2021/03/23/primary-secondary-and-tertiary-information-sources-by-muhammad-yousuf-ali/