What is Wifi?? Working of Wifi Advantages and Disadvantages Wifi in Universities offices and Public and Privates Sectores Uses Why we use internet Life Without internet

4. What is Wi-Fi???
How Wi-Fi Works
Needs of Wi-Fi
Wi-Fi Devices
Uses of Wi-Fi
Limitations of Wi-Fi
Advantages of Wi-Fi
Disadvantages of Wi-Fi
Conclusion

5. Wi-Fi is the name of a popular wireless networking
technology that uses radio waves to provide wireless
high-speed Internet and network connections. Wi-Fi
stands for "wireless fidelity"

6. Wi-Fi works off of the same principal as other wireless
devices .it uses radio frequencies to send signals between
devices. The radio frequencies are completely different
say from walky talkies, car radios, cell phones, and
weather radios.

8. Wireless
Laptops /Devices can move from one place to another.
Can stream files from one computer to another.
Range is not limited by wires (can connect from
outdoors).
Wireless Gamming Consoles and Mouse.

9. Home!!!

10. IN COLLEGE/UNIVERSITIES:
Like in our college, there is wifi network
connectivity that is easily accessible by all students.
The wifi helps students providing internet
services for free and helps students in studies by
letting them search and study on internet.
Students also get the chance to do online courses
and the global English programs in the university
itself by the use of internet available through the
wifi.

11. IN VARIOUS PALACES:
Wi-Fi provides service in private homes,
businesses, as well as in public spaces at Wi-Fi
hotspots set up either free-of-charge or
commercially, often using a captive portal webpage
for access.
Organizations and businesses, such as airports,
hotels, and restaurants, often provide free-use
hotspots to attract customers. Enthusiasts or
authorities who wish to provide services or even to
promote business in selected areas sometimes
provide free Wi-Fi access.

12. WI-FI GAMING CONSOLE:
Game consoles: PS3, XBOX 360, have
available in Wi-Fi.
Can connect to the internet wirelessly.
Can perform as a media center.

13. WIRELESS PHONE:
A Wi-Fi phone is a wireless device that
gives you the dual benefits of wireless
connectivity and the cost savings of VoIP.
From this angle, Wi-Fi phone looks like
the next big thing in the telecom
revolution.

14. WI-FI CAMERA:
More Efficient.
Cloud Storage.
Can Connect to the internet Wirelessly
Costly

16.  Mobility
 Ease of Installation
 Flexibility
 Cost
 Reliability
 Security
 Use unlicensed part of the radio spectrum
 Roaming
 Speed

17.  Slow speed in public area
 Less Security
 Limited Range
 High Cost
 Reliability
 High Power Consumption

18.  Interference
 Degradation in performance
 High power consumption
 Limited range