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Downloading Apps

You can always download the apps from the respective app store. The apps
are either free or need to be purchased. If you have an Android device, it
comes pre-installed with Play Store. Tap the Play Store icon. The Google
Play window appears as shown in figure.

You can use the search feature to search for a specific application. Let us say,

search for games, a list of games appears. To download a game (e.g ., Temple
Run), tap it and then tap the Install button as shown in figure. To delete an app,
go to Settings and then the App section. The App information screen appears.
Tap Uninstall .

WORKING OF APPS

Apps work on Client-Server model. Here, the application program or the browser on the device is
the client. The server is the program that manages all processes and stores all data. The client
sends the request to the server using HTTP protocols. The server sends the response back to the
client using HTTP protocols. When the two programs are communicating, they have to follow
some rules called protocols .
Sends request using http

Mobile device runs the Program that manages data
application and processes

Sends response using http

Try It Out #Problem Solving

Name the following.
1. Three types into which Mobile Apps are classified:
a. ___________ b. ___________ c. ___________
2. Two examples of native apps: a. ___________ b. ___________

3. Two examples of Hybrid apps: a. ___________ b. ___________

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