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Wi-Fi
It refers to Wireless Fidelity, which lets you connect to the
Internet without any wired connection from your PC. It is a
popular form of wireless connection as it does not require
cables.
It can be used to get connected through a variety of devices
like laptops, digital cameras, smartphones, gaming consoles,
etc. To connect to a Wi-Fi network a hotspot is required.
The hotspot acts as a gateway to the Internet, you need to
connect to hot-spot to be able to connect to the Internet.
Wi-Fi
Bluetooth
Bluetooth is a technology that enables wireless communication
between a low-power consumption devices within a short range
(1 meter, 10 meters, 100 meters). It facilitate for different devices
to communicate with each other when they are in a specified
range. The latest version of bluetooth, Bluetooth 5.0 technology
provides data transfer speed up to 2 Mbps.
Bluetooth
It provides a way to connect and exchange information between devices such as mobile phones,
telephones, laptops, printers, personal computers, GPS receivers (Global Positioning System)
through 2.4 GHz short range radio frequency bandwidth.
i + PROTOCOL
Protocol is a set of rules that governs the communication between the computers on a network.
Certain network protocols and standards are to be followed in order to ensure that your computer
can communicate with another computer over a network.
Different types of protocols used for different operations on the Internet are as follows:
• HTTP - Hyper Text Transfer Protocol: It is a set of rules that defines how the Web pages
transfer information like document, file, image, video between computers over Internet.
• HTTPS - Hyper Text Transfer Protocol Secure: It is secure version of HTTP. The information
is converted into code to prevent unauthorised access. Nowadays, most of the websites use
the HTTPS protocol instead of HTTP.
• FTP - File Transfer Protocol: It is a set of rules that allow file uploading and downloading
from other computers over the Internet.
• TCP/IP - Transmission Control Protocol/Internet Protocol: It is a network protocol that
defines how the information or messages are routed from one end of a network to the other.
• POP3 - Post Office Protocol Version 3: It is an Internet standard protocal that allows e-mail
clients to retrieve e-mail messages from an e-mail server.
• IMAP - Internet Message Access Protocol: It is an e-mail protocol that stores e-mail
messages on a mail server and allows the user to view, access and manipulate the messages
on the mail server from their computer.
• SMTP - Simple Mail Transfer Protocol: It is an e-mail protocol for sending e-mail messages
across the Internet.
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Computer Networking

