Most Important MCQs for Class 12 GSEB: A Detailed Guide , Part -3
1) What is useful when the same operations are to be performed on various elements of the similar type in Java? [CH – 9]
(A) Array
(B) String
(C) If …… then
(D) While
2) Which of the following software are examples of open-source IDEs? [CH – 1]
(A) KompoZer
(B) Eclipse
(C) JBuilder
(D) All of the above
3) Which of the following methods sends the data as a block through the HTTP transaction? [CH – 1]
(A) GET
(B) POST
(C) FTP
(D) HTTPS
4) Which of the following allows specifying styles for the visual elements of the website? [CH – 2]
(A) Cascading Style Sheets
(B) Web Page
(C) Animation
(D) Form
5) Which of the following option Aptana Studio provides a complete web development environment for language support? [CH – 3]
(A) HTML
(B) CSS
(C) PHP
(D) All of the above
6) What sign is used for creating API documentation from the code? [CH – 7]
(A) //
(B) /…../
(C) /*…../
(D) \
7) By using which method of file output stream classes writes b length bytes from the specified byte array in Java? [CH – 11]
(A) void write (int b)
(B) void write (byte | | b)
(C) void write (int length)
(D) void write (byte length)
8) Which method of Java class is used if we want to allow other methods to modify the data value? [CH – 8]
(A) Set or Setter
(B) Get or Getter
(C) Both (A) and (B)
(D) String []
9) In Java, which method is used to fill the whole or partial array with a specified value? [CH – 9]
(A) Fill
(B) Sort
(C) Set
(D) Insert value
10) Which of the following is not a visibility sign in the class diagram? [CH – 6]
(A) –
(B) *
(C) #
(D) – (Dash)
11) Which of the following is part of the object-oriented class diagram? [CH – 6]
(A) Data Encapsulation
(B) Data Abstraction
(C) Polymorphism
(D) All of the above
12) In object-oriented methodology, the focus is on which of the following entities? [CH – 6]
(A) Data
(B) Functions
(C) Objects
(D) All of the above
13) What is called when all browsers are split into different parts or objects that can be accessed using JavaScript? [CH – 2]
(A) Browser Object Model
(B) Browser Object Menu
(C) Browser Oriented Model
(D) Browser Oriented Menu
14) Which of the following is a famous website for online auctions? [CH – 4]
(A) www.ebay.com
(B) www.mybids.in
(C) www.ubid.com
(D) All of the above
15) An inheritance model refers to which of the following relationships? [CH – 6]
(A) ‘is-a’ relationship
(B) ‘has-a’ relationship
(C) ‘a-part-of’ relationship
(D) All of the above
16) What enables the representation and protection of data in which the implementation details are hidden? [CH – 6]
(A) Data Encapsulation
(B) Data Abstraction
(C) Both (A) and (B)
(D) Message
17) Which of the following reserved characters is used in LaTeX? [CH – 12]
(A) %
(B) @
(C) ABC
(D) 123
18) Which of the following software gives permission to make different projects, analyzes all project data, and creates a project portfolio view? [CH – 13]
(A) Rational Plan
(B) Barplot
(C) Chart
(D) Grapha
19) In Exception handling in Java, which is the syntax of the try block? [CH – 10]
(A) try { // set of statements }
(B) try [ // set of statements ]
(C) try < // set of statements >
(D) try ( // set of statements )
20) In M-Commerce, which of the following starting addresses indicates that the site is secured by SSL protocol? [CH – 5]
(A) http://
(B) ssl://
(C) https://
(D) https-ssl://
21) Which of the following begins with \begin {name} and ends with \end {name} in LaTeX? [CH – 12]
(A) group
(B) section
(C) environment
(D) preamble
22) Which command is used to quit from R? [CH – 13]
(A) quit()
(B) q()
(C) exit()
(D) close()
23) Which of the following E-Commerce business models refers to activities between different business partners? [CH – 4]
(A) G2B
(B) C2B
(C) B2B
(D) B2C
24) Which of the following is not a limitation of M-Commerce? [CH – 5]
(A) Mobile devices have limited computing power, memory, and storage capacity.
(B) M-Commerce operates over wireless networks.
(C) High cost of establishing mobile and wireless broadband infrastructure.
(D) Mobile devices enable the user to be contacted virtually anytime, anywhere.
25) Which of the following blocks contains the code that is intended to handle exceptions of a particular type that were created in the associated try block in Java Exception handling? [CH – 10]
(A) finally
(B) start
(C) catch
(D) stop
26) Which of the following refers to a collection of data stored on a non-volatile device in a computer system? [CH – 11]
(A) File
(B) Application
(C) Volatile data
(D) Hard-Disk
27) Which aspect in M-Commerce security ensures that the information must not be accidentally or maliciously altered or tampered with in transit? [CH – 5]
(A) Confidentiality
(B) Integrity
(C) Authorization
(D) Non-repudiation
28) In Java, which of the following looping methods is exit-controlled? [CH – 7]
(A) For
(B) While
(C) do…..while
(D) if…..then….else
29) To make a string object, which of the following constructors is used to create a string object using a 1-D array argument starting at an index [start] with the length [len] of characters? [CH – 9]
(A) String(char array[], int start, int len)
(B) String(int start, int length)
(C) String(int length, int len)
(D) String(char array[], int len)
30) Which menu option is used to add an input text field in the form field properties dialog box? [CH – 1]
(A) Format → Form → Form Field
(B) View → Form Field
(C) Insert → Form → Form Field
(D) Table → Form → Field Form
31) Which of the methods of the string class returns an array of characters as bytes from invoking a string in Java? [CH – 9]
(A) int length()
(B) byte[] getBytes()
(C) int bytes[]
(D) getBytes[]
32) What type of value is returned when we use get method of calendar class with constant DAY_OF_WEEK as an argument in Java? [CH – 9]
(A) int
(B) char
(C) string
(D) boolean
33) Which of the following elements allows multi-line text input in HTML KompoZer form? [CH – 1]
(A) Textarea
(B) Multiline
(C) Insert Row
(D) Insert Column
34) How can we separate the product name, price, quantity, and amount save as string in variable? [CH – 3]
(A) Colon
(B) Semi Colon
(C) Comma
(D) Full dot
35) Which method of scanner class of Java scans the next token of the input as line? [CH – 11]
(A) boolean hasNext()
(B) int nextInt()
(C) float nextFloat()
(D) string nextLine()
36) Which work can be done in file or directory in Java file class? [CH – 11]
(A) Create
(B) Rename
(C) Delete
(D) All of the above
37) Which of the following is a collection of interlinked web pages? [CH – 3]
(A) Web Page
(B) Form
(C) KompoZer
(D) Website
38) In Java, which of the following is not allowed as first character in valid variable name? [CH – 7]
(A) Underscore
(B) Digit
(C) Letter
(D) Dollar
39) Which of the following statements indicates the method in Java Script? [CH – 2]
(A) document.write(“Hello Students”)
(B) write
(C) Hello Students
(D) (“Hello Students”)
40) How can you identify this facility in E-Commerce when software vendors (seller) also allow their licensed customers to download the recent update of the software? [CH – 4]
(A) Information Services
(B) Support Services
(C) Online Services
(D) Online Support Services
41) How is the general syntax of CSS defined? [CH – 2]
(A) Selector {Property : Value}
(B) Selector {Property : Value .}
(C) Selector (Value : Property)
(D) Selector
42) In Java, by using which sign 1-D array is initialized to separate values of data elements in braces {}? [CH – 9]
(A) Full stop
(B) Colon
(C) Semi colon
(D) Comma
43) What is another kind of Blue Griffon HTML editor in open source? [CH – 3]
(A) WYSIWYG
(B) GWYSIWY
(C) YSIWYG
(D) IIWGYW
44) Which attributes are used to indicate the field, specify default value in HTML? [CH – 1]
(A) type
(B) name
(C) value
(D) All of the above
45) In Java class, from the following which keyword is used to call the constructor of super class in the constructor of sub class? [CH – 8]
(A) extends
(B) super
(C) name of the super class
(D) new
46) In Java, which method is invoked automatically with creation of an object? [CH – 8]
(A) Instance method
(B) Constructor
(C) Class method
(D) All of the above
47) By using which option in table properties dialog box a title is given in KompoZer? [CH – 3]
(A) Table Handling
(B) Caption
(C) Table Name
(D) Create Table Name
48) How does the Constructor differ from general method in Java? [CH – 8]
(A) Constructor must have the same name as class name.
(B) Constructor does not have return type.
(C) Constructor cannot be invoked explicitly elsewhere in the program.
(D) All of the above
49) Which of the command is used from the following to write Sans Serif fonts in LaTeX? [CH – 12]
(A) \texttm {text}
(B) \textsf {text}
(C) \texttt {text}
(D) \text senerif {text}
50) What is known as when programmes written in Java are compiled into machine language for a computer? [CH – 7]
