Venkateshwar International School Sector-18, Dwarka, New Delhi-78 SAT- PRELIMINARY ROUND Class XII

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1 Venkateshwar International School Sector-18, Dwarka, New Delhi-78 SAT- PRELIMINARY ROUND Class XII Computer Science MMWT Total (40) Name of the student School Code M.M : 20 COMPUTER SCIENCE 1. A is a special member function whose task is to initialize the objects of its class. (a) constructor (c) inheritance (b) friend function (d) polymorphism 2. Which of the following adds one string to the end of another? (a) append() (b) strcat() (c) stringadd() (d) stradd(); 3. The :: operator is known as (a) Scope resolution operator (c) DIVIDE (b) MOD (d) None 4. A constructor that accepts no parameter is called the (a) copy constructor (b) default constructor (c) multiple constructor (d) all of these 5. member of base class cannot be accessed in derived class. (a) Protected (b) Public (c) Private (d) All of these 6. The process of creating and deleting objects in C++ is done by : (a) constructor (b) destructor (c) constructor and destructor (d) None of these 7. select the correct output from the following: void main () { int I, a = 10; I = a a + ++a + a; cont<< I << /t << a; } (a) (b) (c) (d) Which of the following statement is correct? (a) Class is an instance of object. (b) Object is an instance of a class. (c) Class is an instance of data type. (d) None 9. Which inheritance type is used in the class given below? class A : public X, public Y {} (a) Multilevel inheritance (b) Multiple inheritance (c) Hybrid inheritance (d) Hierarchical Inheritance 1

2 10. Read the following code snippet and examine the type of constructor. class sample { int i; public: sample() { int i=0; } }; (a) Default (b) Copy (c) Parameterized (d) All of these 11. Which of the following header file includes definition of c in and cout? (a) istream.h (b) ostream.h (c) iomanip.h (d) iostream.h 12. is an example of polymorphism. (a) Function overloading (b) Call by value (c) Call by reference (d) Data hiding 13. Which of the following concept of oops allows compiler to insert arguments in a function call if it is not specified? (a) Call by value (b) Call by reference (c) Default arguments (d) Call by pointer 14. How many instances of an abstract class can be created? (a) 1 (b) 5 (c)13 (d) Which of the following cannot be friend? (a) Function (b) Class (c) Object (d) Operator function 16. How many types of polymorphisms are supported by C++? (a) 1 (b) 4 (c) 5 (d) Which of the following statement is correct? (a) A constructor is called at the time of declaration of an object. (b) A constructor is called at the time of use of an object. (c) A constructor is called at the time of declaration of a class. (d) A constructor is called at the time of use of a class. 18. Which of the following is correct about function overloading? (a) The types of arguments are different. (b) The order of argument is different. (d) The number of argument is same. (d) Both A and B. 19. Which of the following concepts means waiting until runtime to determine which function to call? (a) Data hiding (b) Dynamic casting (c) Dynamic binding (d ) Dynamic loading 20. Which of the following operator is overloaded for object cout? (a)>> (b) << (c) + (d) = 2

3 Venkateshwar International School Sector-18, Dwarka, New Delhi-78 SAT- PRELIMINARY ROUND Class XII MULTIMEDIA AND WEB TECHNOLOGY Name of the student School Code :20 M.M. 1. When a user views a page containing a JavaScript program, which machine actually executes the script? (a) The User's machine running a Web browser (b) The Web server (c) A central machine deep within Netscape's corporate offices 2. What are variables used for in JavaScript Programs? (a) Storing numbers, dates, or other values (b) Varying randomly (c) Calculating mathematical expressions 3. The term is used to refer to a row. (a) Attribute (b) Tuple (c) Field (d) Instance 4. Key to represent relationship between tables is called (a) Primary key (b) Secondary Key (c) Foreign Key (d) None of these 5. <script type="text/javascript"> x=4+"4"; document.write(x); </script> Output------? (a) 44 (b) 8 (c) 4 (d) Error output 6. Which of the following pieces of code correctly illustrates how to preselect a specific option in a drop down? (a) <OPTION SELECT> (b) <OPTION MARK> (c) <OPTION SELECETED> (d) <OPTION CHECKED> 7. PPP stands for? (a) Point to Point Protocol (c) Protocol to Protocol Point (b) Peripheral to Peripheral Protocol 8. Which CSS property is used to change the text color of an element? (a) font-color (b) fgcolor (c) text-color (d) color 3

4 9. What is the full form of TCP/IP? (a) transmission control protocol / internet protocol (b) telephone call protocol / international protocol (c) transport control protocol / internet protocol (d) none of the above 10. Yahoo, Infoseek and Lycos are? (a) Search Engines (b) Browsers (c) News groups 11. Outlook Express is a (a) Client (c) Search Engine (b) Browser 12. <SCRIPT> </SCRIPT> tag can be placed within (a) Header (b) Body (c) both A and B (d) none of the above 13. Which of the following is not an attribute of the FRAME tag? (a) SCROLLING (b) AUTO (c) MARGINWIDTH (d) FRAMEBORDER 14. Which of the following is not a valid value for the TYPE attribute of the INPUT tag? (a) checkbox (b) radiobutton (c) submit (d) reset 15. How do you add a background color for all "<h1>" elements? (a) h1.body {background-color:#ffffff;} (b) all.h1 {background-color:#ffffff;} (c) h1 {background-color:#ffffff;} (d) h1.all {background-color:#ffffff;} 16. Which one of the below is the correct HTML to refer an external style sheet? (a)<stylesheet>mystyle.css</stylesheet /> (b) <style src="mystyle.css" /> (c) refer style sheet "style.css" (d) <link rel="stylesheet" type="text/css" href="style.css"> 17. The Internet is an example of: (a) LAN (b) WAN (c) MAN (d) PAN 4

5 18. Each computer on a network is called a: (a) Bus (b) Server (c) Node (d)none of these 19. Companies that use networks can save time and money because networks allow users to share: (a) Hardware devices (b) Software programs (c) Information (d) All of the above 20. Transferring information from computer to Internet is called: (a) Downloading (b) Down Seizing (c) Uploading (d) Pasting 5

Venkateshwar International School Sector-18, Dwarka, New Delhi-78

Venkateshwar International School Sector-18, Dwarka, New Delhi-78 SAT- PRELIMINARY ROUND Class XI ( COMPUTER) Computer Science MMWT Total (40) Name of the student Computer Science M.M: 20 1. What is the