HOLIDAYS HOME WORK OF CLASS XI
1. Define each of the following
a. Nibble b. Byte c. Kilobyte d. Megabyte e. Giga byte f. Tetra byte
2. What do you mean by main components of a computer? Draw diagram also ?
3. What is an operating system? What are it function?
4. What are the functions of an operating system?
5. What functions are performed by operating system as a resource manager?
6. Find the one’s complement form of -13.
7. Find the one’s complement representation of -13.
8. Express -4 in two’s complement form?
9. Express -17 in two’s complement form?
10. Convert the following hexadecimal numbers to decimal
a.A6 b. A13B
11. Convert the following hexadecimal numbers to decimal
a. E9 b.7CA3
12. Convert the following decimal numbers to hexadecimal
a.132 b. 2352
13. Convert the following decimal numbers to hexadecimal
a.206 b.3619
14. Convert the following hexadecimal numbers to octal
a.38AC b.7FD6 c. ABCD
15. Convert the following octal numbers to binary
a.123 b.3527
16. Convert the following octal numbers to binary
a.7642 b.7015 c.3576
17. Convert the following binary numbers to octal
a.111010 b.110110101 c.1101100001
18. Convert the following binary numbers to octal
a.11001 b.10011101 c.111010111
19.Write a C++ program that inputs a marks in three subjects (out of 100)and print the
Prints their output
20. Write difference between class and structure
HOLIDAYS HOME WORK OF CLASS XII
1. What is the difference between global variable and local variable? Also, give a suitable
C++ code to illustrate both.
2. What do you understand by data encapsulation and data hiding? Also, give suitable C++
code to illustrate both?
3. Write a functions in C++ to count number of lines present in a text file”STORY.TXT”.
4. Write a function in C++ to perform insert operation in a dynamically allocated queue
containing names of student?
5. Write a function in c+ to find the sum of both left and right diagonal forms a two
dimensional array (matrix).
6. Evaluate the following postfix of expression :
20,30.+,50,40,-,*
7. Reduce the following boolean expression using K-map:
F(A,B,C,D)=∑ (0,1,2,3,4,5,6,8,10).
8. What is the purpose of using a web browser? name any one commonly used web
browser?
9. What is difference between object oriented programming and procedural
programming?
10. What do you understand by polymorphism? Give suitable example of the same?
11. Write a function in C++ to find sum of rows from a two dimensional array?
12. Write a function in C++ to merge the contents of two stored array A&B into third array
C. assuming array A&B are stored in ascending order and the resultant array C is also
required to be in ascending order.
13. Expand the following terms
1 .URL 2.ISP 3.DHTML 4.CDMA
14. What is cybercrime?
15. What is topology? Write short note on bus topology?
16. What are the advantages of ring topology?
17. Explain freeware and shareware?
19. Differentiate between routers and bridge?
20. Explain function of hub and routers?