Class 12 Web Applications 803 Previous Year Question Paper 2023 – Solution

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Series ∊FGHE
Question Paper Code 327 Set 4

WEB APPLICATIONS – SOLUTION UPDATING…
(Session 2022-23)

Time allowed : 3 hours
Maximum Marks : 60

General Instructions :

  1. Please read the instructions carefully.
  2. This question paper consists of 24 questions, in two Sections : Section A and Section B.
  3. Section A has Objective type questions, whereas Section B contains Subjective type questions.
  4. Out of the given (6 + 18 =) 24 questions, a candidate has to answer (6 + 11 =) 17 questions in the allotted (maximum) time of 3 hours.
  5. All questions of a particular section must be attempted in the correct order.
  6. Section A : Objective Type Questions (30 marks) :
    • This section has 6 questions.
    • There is no negative marking.
    • Do as per the instructions given.
    • Marks allotted are mentioned against each question/part.
  7. Section B : Subjective Type Questions (30 marks) :
    • This section has 18 questions.
    • A candidate has to do 11 questions.
    • Do as per the instructions given.
    • Marks allotted are mentioned against each question/part.

SECTION – A (Objective Type Questions) (30 Marks)

1. Answer any 4 questions out of the given 6 questions on employability skills.

(i) Write any one advantage of maintaining a positive attitude.
Answer: An advantage of maintaining a positive attitude makes it easier to cope with challenges and leads to a more fulfilling life.

(ii) Identify the type of personality with respect to the Five Factor Model (FFM) for the description below :
Sanya loves interacting with people around. She is very warm and makes friends easily. She is extremely confident and is the star of any gathering.
Answer: Sanya appears to exhibit personality traits associated with high extroversion.

(iii) What is the shortcut key to make text slanting or italicized ?
Answer: CTRL + I (Windows)

(iv) A ____ is a spreadsheet that has one or more worksheets.
a) Website
b) Workbook
c) Web page
d) Presentation

(v) Animesh is a designer working in a software company He recently created an inclusive design for one of the mental health apps. What is Animesh – an entrepreneur or a wage-employed person ?
Answer: Animesh is a wage-employed person.

(vi) What is a Startup ?
Answer: A startup is a newly established company or business that aims to bring innovative products, services, or solutions to the market, often with a focus on rapid growth and scalability.

2. Answer any 5 out of the given 7 questions. (5X1=5)

(i) ____ is the complete 3D movie making software application for all abilities and it allows to create excellent animation effects.
a) ZS4 Video Editor
b) Mewa Film
c) MovieStorm
d) DVD Knife

(ii) ____ is a free movie editing tool by Atomic Learning which is designed to give teachers, and students the ability to enter short titles and descriptions, complete with planned length and edited order.
Answer: StoryBoard Pro

(iii) A file with an extension .jpeg indicates that it is a/an ____ file.
Answer: Image

(iv) ____ is a type of image format that does not consist of pixels, but objects such as curves, shades and characters.
Answer: Vector

(v) Identify the type of operator in the following statement :
a! = b
a) Arithmetic
b) Comparison
c) Logical
d) Assignment

(vi) Consider the following code :
<param name = "controller" value = "False"/>
On execution of the above code, is the object controller displayed in the browser ?
Answer: No, the object “controller” will not be displayed in the browser when you execute the code you provided.

(vii) During web designing, in _____ mode, the Intellisense feature provides you a list of codes and attributes as a pop up.
a) Code view
b) Design view
c) GUI view

3. Answer any 6 out of the given 7 questions. (6X1=6)

(i) The name of actors is ideally displayed at the end. While making a video, are these added as copyright or credit ?
Answer: credit

(ii) ____ is the extension of a standard Macintosh image file.
a) .pict
b) .docx
c) .xls
d) .wav

(iii) ___ tag can be used only in Internet Explorer to include an audio file.
a) <BACKGROUND>
b) <BACKGROUND SOUND>
c) <BGSOUND>
d) <SOUND>

(iv) ____ feature is used to transfer contents of your entire website to a remote computer.
Answer: File Transfer Protocol (FTP)

(v) If a variable is declared without assigning any value, what is its type (datatype) ?
a) Float
b) Undefined
c) Integer
d) String

(vi) Write any one advantage of DWT.
Answer: One advantage of Discrete Wavelet Transform (DWT) is its ability to provide multi-resolution analysis, allowing you to analyze and represent data at different levels of detail.

(vii) Fill in the blank :
____ is the process that affects the website visibility or ranking while displaying search results.
Answer: Search Engine Optimization (SEO)

4. Answer any 5 out of the given 6 questions. (5X1=5)

(i) ____ is the area of Windows Movie Maker which enables to view individual clips or entire project before publishing it as movie ?
a) Timeline
b) Preview Monitor
c) Storyboard
d) Control Buttons

(ii) is a popular search engine.
a) Safari
b) Linux
c) Android
d) JavaScript

(iii) GIF is a ____ image format. (lossless/lossy)
Answer: lossless

(iv) What is the output of the following code snippet ?
document.write (Math.round (5.319))
Answer: The Math.round() function is used to round a number to the nearest integer. In this case, it rounds the number 5.319 to the nearest integer, which is 5.

(v) What is the use of isFinite() in JavaScript ?
Answer: The isFinite() function in JavaScript is used to determine whether a given value is a finite number or not.

(vi) Name any one desktop publishing program.
Answer: CorelDraw, Microsoft Publisher, Adobe InDesign etc.

5. Answer any 5 out of the given 6 questions. (5X1=5)

i) Which pane in Windows Movie Maker displays the folders containing clips ?
a) Tasks
b) Collections
c) Contents
d) Menu Bar

(ii) The term “rich media” is synonymous for ____ multimedia.
Answer: Interactive

(iii) If A=10, B=2 C=4, then what will be the output of the following JavaScript statements ?
Class 12 WA 803 Previous Year Question Paper 2023 Q.5(iii)
Answer: Output will be Bye

(iv) Name any one video streaming application that allows video embedment option.
Answer: YouTube

(v) Which method in JavaScript allows to join all elements of an array into a string ?
Answer: Array join() method

(vi) Name any one Page Transition effect that can be used to apply on web pages.
Answer: Randon dissolve, Blend, Box out etc.

Answer any 5 out of the given 6 questions. (5X1=5)

(i) How can you select non-consecutive clips in Windows Movie Maker/Video Editor ?
a) Press and hold Ctrl key while selecting clips
b) Press and hold Shift key while selecting clips
c) Press and hold Alt key while selecting clips
d) Press and hold Ctrl+Shift key while selecting clips

ii) Fill in the blank.
A ____ image format is composed of a field of pixels, each characterised by a colour.
a) Vector
b) Raster
c) Coloured
d) Black and White

(iii) Consider the following declaration in JavaScript :
varTxt= "Life is Beautiful"
Write a statement that will display the string in uppercase.

var txt = "Life is Beautiful";
var uppercaseTxt = txt.toUpperCase();
console.log(uppercaseTxt);

(iv) Is .avi an image file format ?
Answer: No, it is a video file format.

(v) Jared wants to generate a combined list of fruits and vegetables. She has two arrays :
var fruits = ["Guava", "Apple", "Mango"]
var vegetables = ["Spinach", "French beans"].
Which inbuilt JavaScript function can be used to join the two arrays ?
Answer: The concat() method will combine the fruits and vegetables arrays into a single array.

(vi) To know the size occupied by files in a website, open the website and select View -> Site -> ____ option.
Answer: Site Summary

SECTION B (Subjective Type Questions) (30 Marks)

Answer any 3 questions out of the given 5 questions on employability skills. Answer each question in 20 – 30 words. (3X2=6)

7. Why should goals be specific and measurable ?
Answer: Goals should be specific and measurable to provide clear direction and criteria for success. This enhances focus, accountability, and the ability to track progress effectively.

8. How is personality different from personality traits ?
Answer: Personality is a broad, overall pattern of behavior, while personality traits are specific characteristics or qualities that contribute to one’s personality.

9. How is a formula bar different from a name box in a spreadsheet ?
Answer: A formula bar in a spreadsheet allows users to enter or edit formulas, while a name box displays the cell reference or name of the selected cell.

10. List any two environmental barriers that are common to all the types of entrepreneurs.
Answer: Environmental barriers common to all entrepreneurs include regulatory complexities and economic uncertainties, challenging their business development and sustainability efforts.

11. How is an industrial entrepreneur different from a technical entrepreneur ?
Answer: An industrial entrepreneur focuses on large-scale production and manufacturing ventures, while a technical entrepreneur emphasizes innovation and development of new technologies in their business pursuits.

Answer any 3 out of the given 5 questions in 20 – 30 words each. (3X2=6)

12. How is an <object> tag different from an <embed> tag ?
Answer: The <object> element is used for embedding external resources like multimedia content (e.g., audio or video) to a web page.
The <embed> element is specifically designed for embedding multimedia content, such as audio or video, directly within a web page.

13. Define objects with respect to JavaScript. Also give one difference between properties and methods of an object.
Answer: In JavaScript, objects are complex data structures that encapsulate data and behavior. Properties are attributes that store data, while methods are functions associated with the object, representing its behavior.

14. Write any two characteristics of a ‘Type of’ operator in JavaScript.
Answer: Type Identification: The typeof operator returns a string indicating the data type of a given variable or expression.
Unary Operator: It is a unary operator, meaning it operates on only one operand, typically a variable or an expression.

15. Differentiate between % operator and / operator in JavaScript with the help of an example.
Answer: % (Modulus operator), it is used for finding the remainder when one number is divided by another where as / (Division operator), it is used for dividing one number by another to produce a quotient.

16. How is a Snippet different from Add-ins ?
Answer: Snippets are pieces of programs re-used by most developers. Snippets are useful as you can keep reusing the code created many times across multiple web pages or web sites saving enormous amount of time and effort whereas Add-ins extends the capability of the main program by adding enhanced custom commands and specialized features.

Answer any 2 out of the given 3 questions in 30 – 50 words each. (2X3=6)

17. Name and explain any two views of Windows Movie Maker in which a project can be created.

18. How does a search engine work ? Name any two components of a web page that the search engines uses to create an index.

19. Explain parseInt() and isNaN(), giving one example of each.

Answer any 3 out of the given 5 questions in 50 – 80 words each. (3X4=12)

20. Partho Das wants to create a movie using Windows Movie Maker. He has saved some audio, video, and image files on his computer.
(a) Write the steps to import these files into Windows Movie Maker.
(b) Can he combine two contiguous clips on storyboard ?

21. Look at the following HTML code and answer the questions that follow :
<EMBED SRC="Mymusic.mid" AUTOSTART=FALSE LOOP=FALSE WIDTH=145 HEIGHT=55 ALIGH="CENTER"></EMBED>
(a) What does <EMBED> do ?
Answer: The <embed> element is specifically designed for embedding multimedia content, such as audio or video, directly within a web page.
(b) What does SRC signify ?
(c) How many times will the audio be played ? Why ?
(d) Will the sound play automatically? Why/Why not ?

22. Write a JavaScript function, checkEvenOdd() that accepts a number, checks whether it is even or odd and displays the appropriate message.

23. Venkateshwari is creating a program using JavaScript. Help her to write commands to perform the following tasks :
(a) She wants to display the current date and time on the web page. Write an internal script to complete the task.
(b) To display even numbers between 10 and 50, Venkateshwari has written the following code :
Class 12 WA 803 Previous Year Question Paper 2023 Q.23
She is not getting the correct output. Rewrite the correct code and underline the changes made.

24. Answer the following questions :
(a) Write statements to include an external JavaScript file named "resource.js" in a web page.
(b) Write a function arrayOP() that performs the following operations :
– Creates an array containing "DELHI", "MUMBAI", "CHENNAI"
– Insert "KOLKATA" in the array
– Display the complete array on the web page

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