week 5

it has been really a while since the last time I updated my blog. sorry sir! :( so, here comes week 5!

WIRELESS

where do you actually found wireless? it's all around us! ask any kids, they know a lot about wireless. so today, we gonna dig in into this wireless topic. it is commonly used in many IT unit and equipment, such as GPS navigator, wireless keyboards and many more.

wireless enable people to connect networking using wireless connection across long distances. there are also infrared and radio frequency, but they are limited to area that is short-ranged. wireless are often defined as electronic waves, radio waves, and infrared.

what are the devices that we know use wireless communication or networking?

1) Hand-held computers

2) Handphones (to connect to email and social networking)

3) GPS

4) Laptops

5) Desktop computers

APPLICATION OF WIRELESS TECHNOLOGY
1) Voice and messaging
Eg: Cellphones, PDA
2 ) Handheld devices

3) Data Networking

MOBILE PHONES 1G, 2G, 3G, 4G