Question 1

Question 1How can you broadly categorize the apps? Explain any one app.

Accepted Answer

Apps can be broadly classified into three categories. They are:Desktop appsWeb appsMobile appsDesktop Apps in detail:These apps are used on a desktop or laptop.They do not need web access/internet.They can run independently on a computer.Desktop apps need to be installed on the device before they can run.For example — Notepad, Word processor, spreadsheet etc.

Question 2

Question 2What are the requirements for developing an app?

Accepted Answer

The requirements for developing an app are as follows-A good grasp of programming language (JAVA)Android Software Development Kit (Android SDK)Essential knowledge of-a. Extensible Markup Language (XML)b. HTML (HyperText Markup Language)c. CSS (Cascading Style Sheets)

Question 3

Question 3What are the differences between Native apps and Hybrid apps?

Accepted Answer

The differences between Native apps and Hybrid apps are as follows-PointNative AppHybrid AppPlatformIt is developed specifically for one platform.It is developed for more than one platform.CostDevelopment is expensive.Development is cheaper.MaintenanceMaintenance is complex as there are different versions for different platforms.Maintenance is simple as there are only a few versions.User ExperienceThey provide the best user experience.Graphics are less accustomed with the OS, so user experience is not as good.

Question 4

Question 4Distinguish between a Desktop app and a Mobile app.

Accepted Answer

The differences between a Desktop app and a Mobile app are as follows-PointDesktop AppMobile AppDeviceIt is used on desktops and laptops.It is used on Smart phones or tablets.SizeApps can be of larger size.Apps are usually smaller in size.ExamplesPaint, Notepad.Mobile Pixlr, Facebook.

Question 5

Question 5How can you download and install an app from the Google Play Store?

Accepted Answer

To download and install an app from the Google Play Store, follow these steps-Step 1 — Tap on the Play Store icon on the screen of your device.Step 2 — Type the name of the app you wish to download (or the general description of the job that the app does), in the Search bar.Step 3 — It will display the relevant list of apps. Now select the most suitable one by tapping on the name of the app.Step 4 — Additional information about the app will be displayed. Check out the reviews and comments of previous users. If it meets your requirements, click on INSTALL button to install the app on your device.Step 5 — The app will request you for the permission to access certain information on your phone. Confirm your consent and the app will be downloaded and installed on your device.Step 6 — The app is now ready to use.

Question 6

Question 6Explain the importance of Educational Apps.

Accepted Answer

The importance of educational apps is as follows:Students can access high quality educational resources from anywhere in the world.The content is covered through a variety of media — pictures, charts, activities, videos, worksheets etc. This makes it easier to grasp and retain.Students can learn at their own pace.Teachers can use these apps to distribute study material quickly, conduct tests and grade the students efficiently.Parents can monitor the progress of their child effectively.

Question 7

Question 7With the help of suitable examples, explain the Photo editing tasks that can be done using Desktop, Web, or Mobile Apps.

Accepted Answer

Photo editing means changing or manipulating some elements of a photo. Some tasks that are used to edit a photo are as follows:Cropping — This tool allows us to adjust the framing of a photo to alter its composition. For example — we use cropping on photos when we set our Whatsapp status.Colour correction — Photo editors provide various filters to alter the overall appearance of our photos. For example — we use filters to make our photos attractive.Add text or stickers — We can add text or stickers to our photos using photo editors. For example — We use this tool to point out things in the photos.Resize — This tool helps us to change the size of our photos. For example — When we fill any exam form online, the candidate's photo needs to be of a particular size (say less than 16 MB). This tool helps in resizing the photo.

App Development