HSE / Plus Two / 12th Std / +2 Computer Information Technology Sample Question Paper : www.dhsekerala.gov.in

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Document Described : Computer Information Technology Question Paper, Kerala Question Paper

MODEL EXAMINATION FEBRUARY - 2012
COMPUTER INFORMATION TECHNOLOGY
Class. XII
Total Score : 60 marks Time 2Hrs
General Instructions :
Cool off time : 15 minutes
1. Read Questions carefully before answering the questions.
2. Maximum time allowed is 2 hours 15 minutes, including cool off time.
3. First 15 minutes is cool off time during which you should not answer the questions.

http://dhsekerala.gov.in/ques_download.aspx
http://dhsekerala.gov.in/downloads/q..._CIT-%20II.pdf

1.The property of C++ which helps in code reusability is ……………… 1
2.The data type void comes under 1
a. User-defined c. Derived
b. Built-in d. None of these
3.What is the difference between a variable and a reference variable? 2
4. Is the following statement valid in c++? If not correct it.
x=(y=10); 1
5. Explain the syntax of defining a function outside the class. 3
6.a. Define an inline function.
b. When do you prefer inline functions. 1+1
7.What is the significance of using
a. short int
b. long int 1+1
8.Write one word for Picture Element. 1
9. Special storage location inside CPU IS --------------- . 1
10. Compare Dot matrix Printer and Laser Printer. 4
11. Consider the following relation AB.
AB
Name Roll Course Age Total
Amritha 120312 Computer 20 290
Leena 302341 Electronics 19 310
Write down
a. Number of tuples in the relation
b. Attributes of the relation
c. Degree of the relation
d. Domain of Age
e. Cardinality of the relation. 5
12. Define a class called complex with data members real and imaginary and the following member functions
a) getdata – to read the real and imaginary values
b) putdata – to display the complex number
c) Overload the + operator to find the sum of two complex objects.
write a main program to accept two complex numbers and find their sum 5
13. Distinguish the following.
(a) Integer I2(I1);
(b) Integer I2=I1;
(c) I2=I1; 3
14.Write a program to write data in a text file. 3
15. Match the following
A B
a. OMR p. Banking Industry
b. OCR q. Drawing
c. MICR r. Esc
d. Digitizer s. Pencil Mark bubble
e. Keyboard t. Different Fonts
f. Light Pen u. Flatbed 3
16. Expand the terms dpi, cps, ppm related to printers. 3
17.What is the use of cache memory in a computer system? 2
18. Write the latest specification for a Laptop computer. Discuss it. 4
19. Write a program that uses all the access specifiers
private,protected and public. 3
20. ---------- character is used in front of the class name to make it the destructor function. 1
21. Write a C++ program to find the total of two time objects using Friend function. 4
22. With the help of a suitable example explain how an instruction is executed by the CPU. 3
23. Name and define different types of inheritance in C++. 3

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HSE / Plus Two / 12th Std / +2 Computer Information Technology Sample Question Paper : www.dhsekerala.gov.in