Unit 2 Operating Web important 100+ Question Answer Class 12 IT 802

Que 81: Under which feasibility you can get the answer of Is it profitable?

Answer: Economical Feasibility

Que 82: Under the Design Phase you can design ______.

a. A map of the web application site
b. Design the application database.
c. Design the structure of page.
d. All of these

Answer: d. All of these

Que 83: Under the Implementation Phase you need to create ______.

a. Backend Database
b. Frontend
c. Data Connectivity
d. All of these

Answer: d. All of these

Que 84: What do you mean by Backend Database design? Give the example of Backend software.

Answer: Create the database and write SQL code defining tables, attributes and relationships, as per the requirement of the application, known as Backend Database.

Backend Database Software are – MySQL, Oracle, Ms-Access, SQLLite, DB2, etc.

Que 85: What do you mean by Frontend Design? Give the example of Frontend software.

Answer: Develop the frontend of the application as per the requirement. Use the Page structure and the Page Layout you defined in Design phase to implement the frontend code.

Identify the inputs that are required to be taken from the user in the Front-End of the application.

Decide the kind of buttons you will provide to the user, to minimize the user’s typing effort, like, Radio buttons, checkbox, list and combo box.

Software used to develop frontend application are – Java, PHP, Python, etc.

Que 86: What do you mean by Data Connectivity?

Answer: Establish the data connectivity (i.e. connection) between the Front-End interface and Back-End Database.

Que 87: What you need to do under the Testing Phase?

Answer: Under the Testing Phase, need to do following: –

Test the complete application (Front-End and Back-End) with multiple sample sets of data.
Find all the application bugs and fix them.
Test each page of the application and test each feature of the application.
Since fixing an error involves modifying the code, validate the modified code also.
After final validation, the application is ready for release.

Que 88: Amazon is an example of which category of e-commerce website? [CBSE QP 2020]

(a) B2B
(b) B2C
(c) C2B
(d) C2C

Answer: (b) B2C (Business to Consumer)

Que 89: List any four ways in which ICT can be used to improve effectiveness in teaching and learning. [CBSE QP 2020]

Answer: ICT improve the effectiveness in teaching and learning by these ways-

It provides freedom to the learner to learn at their convenient location, convenient time and at their own pace of learning.
There is no discrimination of age, caste, gender, background, or the qualification of the learner.
The tutorials may be enriched with audio and video information, which makes learning more enjoyable and attractive.
Tutorials and tests are available for almost all topics, sometimes in regional languages also.

Que 90: Write any three issues faced by the customers while shopping online. [CBSE QP 2020]

Answer: Problem faced by the customer while shopping online are

Payment Fraud – Sometimes service providers can misuse consumer credit card information.
Wrong Product Delivery – In place of the actual product, some fake product is delivered.
Damage Product Delivery – Sometimes consumers can have received a damaged product and it takes a very long time to exchange.
Wastage of Time – Searching for a good product online, is not an easy task. It takes time to identify a good quality product.
Misleading Review – Fake reviews can mislead the customer. The review is ok but the product is not good.
Lacking Physical Verification – Physical verification is not possible, you have to rely on the company only.

Que 91: Prevention is always better than cure is a well-known saying. You can’t avoid being online but you can definitely be cautious while doing any online transaction. List down any three precautions that you must take care of for the same. [CBSE QP 2020]

Answer: Precautions while doing online transactions are

Use a strong password like mix case, use numbers and special characters. This decreases ability of automated attacks by trying different character combinations.
Be cautious not to leave passwords around and do not share them with friends. Never use names of near and dear ones as passwords.
Open site on authentic system
Delete History and cookies while working on public network.

Que 92: Explain any five initiatives taken by the government to promote e-learning. [CBSE QP 2020]

Answer: Initiatives taken by the government to promote e-learning are –

Launching of NICNET in 1987 – the satellite based computer network
Launching of TV Channel for education
Online Learning Web application development
Launching of NCERT portal that provides online learning resources
Providing books and question papers in digital format.

Que 93: Which of the following describes e-commerce? [CBSE QP 2019]

(i) Doing business electronically
(ii) Doing business
(iii) Sale of goods
(iv) All of the above

Answer: (i) Doing business electronically

Que 94: Which type of e-commerce focuses on consumers dealing with each other? [CBSE QP 2019]

(i) B2B
(ii) B2C
(iii) C2B
(iv) C2C

Answer: (ii) B2C

Que 95: Online shopping has become a craze these days. Write any two benefits of it and name anyone popular shopping website. [CBSE QP 2019]

Answer: Online shopping is useful in many situations. Some of the situations are :

The customer does not have enough time to visit a store and purchase goods.
The store where you will get what you need may be very far off.
The money spent on traveling to the store, parking the car, etc., is much more than overhead if any in online shopping.
The product you may require is not available at your market.
If you want to send a product to your friend; you can do online shopping and provide the receiver’s address. You save your time and energy for delivery of the product to your friend’s house located in a different city.
You do not have time during the shopping hours. You can do online shopping from your office, home, a friend’s place, anywhere, any time. Thus there are no fixed shopping hours.
Online shopping also has bargain offers for customer delight.
Due to the review facility, you can also know about the popularity of the item you are purchasing.

Popular Online Shopping Websites are – amazon.com, flipkart.com, meesho.com, etc.

Que 96: Write any three challenges being faced by the Government in digitizing India. [CBSE QP 2019]

Answer: Three challenges being faced by the Government in India are –

Automation of all headquarters and district office’s
Launching of Government web portal
Creating awareness in Citizen of India
Crating awareness about ICT in citizen of India

Que 97: What is Web Application? Explain the different phases involved in Web Application development. [CBSE QP 2019]

Answer: A web application is a program that is stored on a remote server. It is online and is delivered over the Internet through a web browser interface.

Phases in Web Application Development:

1. Requirement Definition Phase: In this phase problem is identified for which the web application is to be developed. Identify the scope of the problem

2. Design Phase: The focus is on “how” the application is to be designed.

3. Implementation Phase: Create backend database, frontend and the connectivity between them.

4. Testing Phase: Test the complete application (Front-End and Back-End) with multiple sample sets of data.

Que 98: Online shopping is an e-commerce application where the customer can purchase goods over the Internet. There are several websites where the customer can go for online shopping. Select from the options given below which of the following is not an online shopping website: [CBSE SQP 21]

a. snapdeal.com
b. myntra.com
c. coursera.org
d. infibeam.com

Answer: c. coursera.org

Que 99: ________ are real time lectures, where users participate, may ask questions, and get their queries answered. [CBSE SQP 21]

a. Interactive tutorials
b. Video tutorials
c. Power Point Presentation
d. Webinars

Answer: c. coursera.org

Que 100. There are four main phases of development a Web Application Project.

Statement 1: The scope of the application is decided in the first phase.

Statement 2: The data connectivity is established between the Front-End interface and Back-End Database in the implementation phase.

Select the correct option:

a. Only Statement 1 is correct
b. Only Statement 2 is correct
c. Both Statement 1 and Statement 2 are correct
d. None of the above statements are correct

Answer: c. Both Statement 1 and Statement 2 are correct