CBSE Class 12 Informatics Practices IT Applications Assignment

Question 1. A web site to provide online information and services to the citizens is an example of
(a) e-Business
(b) e-Mail
(c) e-Governance
(d) e-Learning
Answer: (c) e-Governance
e-Governance involves applications used by government agencies and organizations to provide better governance and online services to citizens.
In simple words: Government websites providing public services are e-governance applications.

Exam Tip: Remember that interactions between the government and citizens online fall under e-governance.

Question 2. The web-site of an electricity supply company which allows its customers to pay bills online is an example of
(a) e-Business
(b) e-Mail
(c) e-Governance
(d) e-Learning
Answer: (a) e-Business
Commercial transactions and online payments for utility services provided by companies constitute e-business applications.
In simple words: Online bill payment and commercial services are e-business.

Exam Tip: Financial transactions and commercial utility services relate to e-business.

Question 3. The web-site of a school which allows the students to go through various lessons in their subjects is an example of
(a) e-Business
(b) e-Mail
(c) e-Governance
(d) e-Learning
Answer: (d) e-Learning
Applications that deliver educational content, lessons, and monitor learning processes are classified as e-learning.
In simple words: Online education and digital lessons are e-learning applications.

Exam Tip: Educational websites and online training modules always represent e-learning.

Question 4. Web address of national portal of India is:
(a) India.gov.in
(b) GOI.gov.in
(c) ncert.nic.in
(d) None of the options
Answer: (a) India.gov.in
The official national portal of India is hosted at India.gov.in.
In simple words: India.gov.in is the main portal for the Government of India.

Question 5. A form through which users interact with an IT application is a part of
(a) database
(b) front-end
(c) back-end
(d) Javascript
Answer: (b) front-end
The user interface, consisting of forms for input and output, is the front-end of an IT application.
In simple words: The screens and forms users interact with make up the front-end.

Exam Tip: Front-end deals with user interaction, whereas back-end deals with data storage.

Question 6. A good front-end is
(a) consistent
(b) user-friendly
(c) neither of the options
(d) both a and b
Answer: (d) both a and b
A well-designed front-end must maintain consistency in looks and operations while remaining user-friendly.
In simple words: A good interface is both consistent and easy to use.

Exam Tip: Consistency and user-friendliness are the two main pillars of effective GUI design.

Question 7. Mr. X is an infomaniac. It means he
(a) Uses information carefully
(b) Uses computers to get information
(c) Responds to almost all his SMSs, eMails etc.
(d) Tries to get correct information
Answer: (c) Responds to almost all his SMSs, eMails etc.
Infomania is a condition of reduced concentration caused by continually responding to electronic communications such as emails, SMS, and MMS.
In simple words: An infomaniac is obsessed with constantly checking and replying to electronic messages.

Exam Tip: Understand infomania as a psychological impact of excessive ICT usage.

Question 8. Javascript is a
(a) database
(b) front end
(c) back-end
(d) scripting language
Answer: (d) scripting language
JavaScript is a widely used client-side scripting language for web applications.
In simple words: JavaScript is a language used to write scripts for web pages.

Exam Tip: JavaScript and VBScript are common scripting languages used for web-based front-end connectivity.

VERY SHORT QUESTIONS-ANSWERS

Question 1. Give some examples of input values, where Radio Button and Check Boxes should be used for efficiency in the application.
Answer: Radio buttons should be used for mutually exclusive choices such as Gender (Male/Female) or Payment Mode. Checkboxes should be used for multiple independent selections such as Hobbies or optional newsletter subscriptions.
In simple words: Radio buttons are for single choices, and checkboxes are for multiple choices.

Exam Tip: Clearly distinguish between mutually exclusive options (Radio Button) and multiple independent options (CheckBox).

Question 2. What are the important guidelines we should keep in mind while developing an efficient application?
Answer: An efficient application should have a user-friendly interface, maintain database consistency and integrity using constraints, meet all user requirements, and ensure secure and proper data navigation.
In simple words: Make the application user-friendly, reliable, and consistent with a strong database back-end.

Exam Tip: Focus on usability, data integrity, and requirement fulfillment when answering about application guidelines.

Question 3. Is it a good practice to take in the inputs using TextFields only? Justify your answer.
Answer: No, it is not always a good practice. While TextFields are suitable for small textual inputs like Name or Roll Number, using them for predefined choices can lead to invalid data entry. Specialized components like ComboBoxes, RadioButtons, or Lists should be used for restricted choices.
In simple words: TextFields are good for names and numbers, but choice components prevent invalid data entry.

Exam Tip: Mention that TextFields allow free text entry which increases the risk of invalid user input.

Short Question-Answers

Question 1. Write Short Notes on : e-Governance, e-Business, e-Learning.
Answer: - e-Governance: Involves applications used by government agencies to provide transparent and efficient public services to citizens (e.g., online certificate registration, tax payment).
- e-Business: Utilizes technology to conduct commercial transactions, deliver business services, and manage customer relations over the internet.
- e-Learning: Uses digital technology and internet platforms to deliver educational content, monitor learning processes, and provide flexible learning opportunities to students.
In simple words: e-Governance is for government services, e-business is for commerce, and e-learning is for online education.

Exam Tip: Define each term clearly with one practical real-world example for full marks.

Question 2. What are Front-end (The user interface) and back-end (The database)?
Answer: The front-end is the user interface comprising forms through which users input data and view results. The back-end is the database residing on a server that stores all application data and responds to requests made by the front-end.
In simple words: Front-end is what the user sees and interacts with, while back-end is where all data is stored.

Question 3. What are the terms involved in Development of an IT application?
Answer: The development of an IT application involves problem identification, front-end creation, back-end database design, connecting the front-end and back-end, comprehensive testing, and final implementation.
In simple words: Developing an application involves designing interfaces, setting up databases, connecting them, and testing.

Exam Tip: List the steps sequentially: design, database creation, connectivity, testing, and implementation.

Question 4. What social and economic impacts are found of ICT?
Answer: Socially, ICT helps people stay connected globally, fosters community building, and saves time through e-governance. Economically, it accelerates data transfer, increases administrative transparency, boosts GDP via e-banking, and streamlines business operations.
In simple words: ICT saves time and connects people socially while boosting business efficiency and transparency economically.

Question 5. What do you mean by Infomania?
Answer: Infomania is the psychological condition of reduced concentration caused by the compulsive urge to continually check and respond to electronic communications like emails, SMS, and social media notifications.
In simple words: Infomania is an unhealthy obsession with constantly checking digital messages and notifications.

Question 6. What OS and fonts are used for Indic Language Support?
Answer: Mac OS 10.5 supports Devanagari, Gujarati, Gurmukhi, and Tamil. Linux-based desktops support Bengali, Devnagari, Gujarati, Kannada, Malayalam, Oriya, Tamil, Telugu, and Gurmukhi.
In simple words: Various operating systems provide built-in fonts and keyboard support for Indian regional scripts.

Exam Tip: Mention specific operating systems and their supported Indic scripts as referenced in the text.

Question 7. Write the steps for enabling Indic Language Support in Windows.
Answer: In Windows Vista and Windows 7, complex text support for Indic languages is automatically enabled; users only need to configure the keyboard layout. For Windows XP, users must install international language support files through regional settings before adding the specific keyboard layout.
In simple words: Windows 7/Vista have built-in support, whereas Windows XP requires additional language setup files.

Exam Tip: Differentiate between newer Windows versions (auto-enabled) and Windows XP (requires manual setup).

Question 8. Write the steps for turning on the language bar.
Answer: Step 1: Click Start, open Control Panel, and double-click Regional and Language Options.
Step 2: Go to the Languages tab and click Details under Text services and input languages.
Step 3: Under Preferences, click Language Bar.
Step 4: Select the Show the Language bar on the desktop check box and click OK.
In simple words: Enable the language bar through Regional and Language Options in the Control Panel.

Exam Tip: Write the configuration steps in correct sequential order.

Question 9. How Fonts in Windows are Installed?
Answer: Step 1: Open the Windows Fonts folder (typically C:\Windows\Fonts).
Step 2: Copy and paste the downloaded font file into this folder.
Step 3: Windows will automatically install the font, making it available in all text-based applications.
In simple words: Drop font files into the Windows Fonts folder to install them automatically.

Exam Tip: Mention the default directory path C:\Windows\Fonts for accuracy.

Question 10. How can be established Front-End and Database Connectivity?
Answer: Front-end and database connectivity is established using database connectivity protocols (such as JDBC in Java). For web-based applications, connectivity is achieved using scripting languages like VBScript or JavaScript.
In simple words: Code bridges and scripts are used to connect user interface forms to backend databases.

Exam Tip: Emphasize that front-end and back-end cannot function in isolation without proper connectivity.

Question 11. Are there Websites in Indian languages? Write about them?
Answer: Yes, numerous government and private organizations provide websites in Hindi and regional languages. This ensures accessibility for citizens in remote areas who are not proficient in English. Many sites also offer translation services to let users view pages in their preferred language.
In simple words: Yes, many websites offer regional language options so everyone can access information easily.

Exam Tip: Emphasize that language should act as a support to learning rather than a barrier.

Long Question-Answers

Question 1. What is IT Application? Give details on it.
Answer: An IT application is a software program designed to perform specific functions directly for users or other application programs. Examples include word processors, web browsers, database systems, and communication tools. They utilize operating system services and Application Program Interfaces (APIs) to simplify daily tasks and execute projects efficiently.
In simple words: An IT application is software built to perform specific tasks and make human work easier.

Exam Tip: Define application programs and give diverse examples such as word processors and browsers.

Question 2. What do mean by Front-End Interface?
Answer: The front-end interface is the part of an application that users interact with directly. It collects input data via forms and displays corresponding output. Examples include GUI forms, TAPI for telephony services, or client applications in client-server models.
In simple words: The front-end interface is the direct presentation layer where users enter data and see results.

Exam Tip: Explain both human-computer interfaces and programmatic interfaces like APIs and TAPI.

Question 3. What Components are used for creating Front-end of any software? Give details about those components.
Answer: Key front-end components include:
- TextField: For small textual inputs like names or roll numbers.
- TextArea: For multi-line text input like addresses or feedback.
- RadioButton: For mutually exclusive choices (e.g., Gender).
- CheckBox: For multiple non-exclusive selections (e.g., Hobbies).
- List and ComboBox: For selecting an item from a large collection of options.
- PasswordField: For secure entry of sensitive text like passwords.
In simple words: Different GUI components like text fields, checkboxes, and radio buttons are used to build interactive forms.

Exam Tip: Describe each GUI component with a practical use case to secure full credit.

Question 4. What is Back-End Database? Give detailed information about it.
Answer: A back-end database is a server-side repository that stores all application data securely. It is accessed indirectly by users through the front-end application rather than through direct low-level manipulation. A good back-end ensures high speed, data integrity, security, and easy system modification.
In simple words: The back-end database stores all persistent data safely away from direct user manipulation.

Exam Tip: Mention that back-end databases store tables, records, and relationships without end-user application forms.

Question 5. What are features of a good back-end database?
Answer: A good back-end database features normalized multiple tables to avoid data redundancy, enforced constraints, properly defined primary and foreign keys, high reliability, and data consistency.
In simple words: Good databases use multiple tables, proper keys, and strict constraints to prevent duplicate data.

Question 6. Give some Examples of IT Applications.
Answer: IT applications span various domains including e-Governance (India.gov.in, BHOOMI land records portal), e-Business (Amazon, NAFED portal), and e-Learning (W3Schools, GCF LearnFree, Madhya Pradesh education portal).
In simple words: Common examples include government portals, e-commerce websites, and online learning platforms.

Question 7. Give some guidelines for Multilingual websites.
Answer: According to government web guidelines (Article 5.7), multilingual websites should ideally translate all pages into regional languages, ensure simultaneous updates across all language versions to avoid inconsistencies, and display clear time stamps and validity details on time-sensitive documents.
In simple words: Multilingual websites must be updated simultaneously and provide accurate regional translations with timestamps.

Exam Tip: Focus on simultaneous updates and content translation accuracy.

Question 8. How IT applications are created? Write notes on Development of IT applications.
Answer: Step 1: Problem identification and feasibility analysis.
Step 2: Database and table structure design.
Step 3: Front-end user interface design minimizing typing effort.
Step 4: Establishing database connectivity.
Step 5: Testing with sample data and final implementation.
In simple words: Applications are built by planning, designing databases and interfaces, connecting them, and testing thoroughly.

Exam Tip: Outline the five-step application development lifecycle clearly.

Question 9. What is ICT? Write Impact of ICT on society.
Answer: ICT stands for Information and Communication Technology. Its social impacts include bridging global distances via social networking and streamlining government services. Economic impacts include administrative transparency, faster data processing, and boosted GDP through e-banking.
In simple words: ICT transforms society and economy by improving communication, transparency, and business efficiency.

Exam Tip: Expand the acronym ICT and divide impacts into social and economic benefits.

Question 10. Write the steps for enabling International Language Support in Windows.
Answer: Step 1: Open Control Panel from the Start menu.
Step 2: Click Date, Time, Language, and Regional Options, then select Add Other Languages.
Step 3: Go to the Languages tab.
Step 4: Under Supplemental Language Support, check the box to install files for complex script and right-to-left languages.
Step 5: Insert the Windows CD or point to the file location, install files, and restart the computer.
In simple words: Enable complex script support through Regional Options in the Control Panel and restart.

Exam Tip: Note that installing complex script support requires system files and a reboot.

Question 11. Write steps for enabling a Keyboard Layout in Windows.
Answer: Step 1: Open Regional and Language Options and click Details under text services.
Step 2: Click Add under Installed Services.
Step 3: Select the preferred input language and keyboard layout/IME.
Step 4: Set the default input language and configure regional standards.
Step 5: Save settings to display the language indicator in the system tray.
In simple words: Add desired keyboard layouts through text services and regional language settings.

Exam Tip: Mention the system tray language indicator as the final verification step.

Question 12. What is cloud computing?
Answer: Cloud computing is a type of Internet-based computing where IT resources and services are hosted by a third-party service provider and delivered on demand over the internet to authorized users.
In simple words: Cloud computing delivers hosted IT resources and storage over the internet.

Exam Tip: Define cloud computing as internet-based on-demand resource delivery.

Question 13. What are the properties of cloud computing?
Answer: Key properties of cloud computing include:
- Resource access is controlled by the entity and delivered securely via the internet.
- Resources are hosted by service providers and dedicated to exclusive user use.
- Processed data remains private to the entity and its associates.
In simple words: Cloud resources are internet-delivered, provider-hosted, securely controlled, and exclusively dedicated.

Exam Tip: Structure your answer around resource access, hosting, and data privacy properties.