SCERT Kerala Class XII Computer Science Sample Question Paper 2015
Organisation : State Council of Educational Research & Training
Exam : Higher Secondary Education Exam
Subject : Computer Science
Document Type : Sample Question Paper
Year : 2015
Class : XII STD
Website : http://www.scert.kerala.gov.in
Download Sample Question Paper : https://www.pdfquestion.in/uploads/8459CompXII.pdf
Computer Science Class XII Sample Question Paper :
Maximum : 60 Scores
Time: 2 Hrs.
Cool off time : 15 Minutes
Related : SCERT Kerala Class XII Biology Sample Question Paper 2015 : www.pdfquestion.in/8457.html
General Instructions to candidates:
** There is a ‘Cool off time’ of 15 minutes in addition to the writing time of 2 hrs.
** You are allowed neither to write your answers nor to discuss anything with others during the ‘cool off time’.
** Use the ‘cool off time’ to get familiar with questions and to plan your answers.
** Read the questions carefully before answering.
** All questions are compulsory and only internal choice is allowed.
** When you select a question, all the sub-questions must be answered from the same question itself.
** Calculations, figures and graphs should be shown in the answer sheet itself.
** Malayalam version of the questions is also provided.
** Give equations wherever necessary.
** Only nonprogrammable calculators are allowed in the Examination Hall.
1. Write the output of the following C++ code from the given options.
char *ptr;
char Str[] = “computer”;
ptr = Str;
ptr += 5;
cout << ptr;
a) uter
b) ter
c) compu
d) u
2. In a situation when data have to be stored and then retrieved in reverse order _______ is very useful .
a) Stack
b) Queue
c) List
d) Linked list
3. Which tag is used to display the numbered list?
a. <OL></OL>
b. <DL></DL>
c. <UL></UL>
d. <LI></LI>
4. When we complete a website, the files are to be transferred to a web server. Name any popular FTP client software required for this.
5. Name the constraint used to reject duplicate values and accept null values.
6. Choose the symbol from the following to start a variable in PHP.
a) ? b) ! c) $ d) & Score 1
7. Answer any one question – 7 (a) or 7 (b).
(a) Declare a structure with suitable variable names to store the following information: Score 2
OR
(b) Assume that s1 is a structure variable of type Sales which contains float amt[12]; as an element. Write a C++ statement to input the amount of sales for twelve months into this element. Score 2
8. Explain the situations ‘overflow’ and ‘underflow’ that occur in some operations on data structures.
9. The following figure shows a linked list of names of some students. Write the procedure to remove the 2nd node.
10. Write the HTML statements to display the following:
i) (X > Y) & (M < N)
ii) Copyright © SCERT Score 2
11. Explain “Responsive Web Design”. Score 2
12. Consider the following table named BOOKS and write relational algebraic operations for the following:
a) To display the tuples from books where price is greater than 250.
b) To display book no and title of all books. Score 2
13. What is the difference between Form GET and Form POST? Score 2
14. JavaScript code can either be written in external file or within an HTML document.
(a) What is the extension of external file? Score 1
(b) Write a JavaScript code to validate a register number accepted through an HTML Form. The textbox for the register number should not be empty and the number should have exactly seven digits. (Use suitable names for the Form and the textbox). Score 2
15. What is pointer? Explain the use of new and delete operators. Score 3
16. Observe the figure and
a) Name the OOP concept shown in figure.
b) Identify the components.
c) Explain this concept. Score 3
17. Explain any three JavaScript built-in functions. Score 3
18. Explain any three advantages of database management system. Score 3
19. Answer any one question – 19(a) or 19(b).
(a) What is the difference between for and foreach loops in PHP? Explain with examples. Score 3
OR
(b) Explain the working of the PHP code
given below and find the output.
<?php
$op2 = “World”;
function foo($op1)
{
echo $op1;
echo $op2;
}
foo(“Hello”);
?> Score 3
20. HTML tags and attributes decide how the content is to be displayed in the browser.
(a) Choose the correct statement relating to <MARQUEE> tag.
i. Mark the list of items in a queue.
ii. Mark the text so that it is hidden in browser.
iii. Display text with scrolling effect.
iv. None of above. Score 1
[embeddoc url=”https://www.pdfquestion.in/uploads/8459CompXII.pdf”]