COMPUTER SCIENCE AND APPLICATION
AHSEC CLASS 11 - QUESTION PAPER 2024
ALLOTMENT OF MARKS
| Question Number | Marks Per Question | Total Marks |
|---|---|---|
| Q. No. 1 | 1 × 8 | 8 |
| Q. No. 2 | 2 × 10 | 20 |
| Q. No. 3 | 3 × 9 | 27 |
| Q. No. 4 | 5 × 3 | 15 |
| Total Marks | 70 | |
1. Answer the following questions (any eight): (1 × 8 = 8)
- (a) What is identifier?
- (b) What is the difference between 'A' and "A" in C++?
- (c) What do you mean by global variable?
- (d) What is MICR?
- (e) What is system software?
- (f) What is a nested if?
- (g) What is CISC?
- (h) What is 'syntax error'?
- (i) What is 'user-defined data type'?
- (j) What is cache memory?
2. Answer the following questions (any ten): (2 × 10 = 20)
(a) Differentiate between '>>' and '<<' operators.
(b) What is the difference between OCR and OMR?
(c) Differentiate between a compiler and an interpreter.
(d) What will be the following two expressions if $j=5$ initially?
(e) Convert $34.75_{10}$ into binary number.
(f) Mention any four functions of an operating system.
(g) State the difference between call by value and call by reference.
(h) How is while loop different from do while loop?
(i) What is the difference between virus and worms in the computers?
(j) Write the benefits of using C++.
(k) What is the difference between gets() and puts() functions?
(l) What is the purpose of using typedef command in C++?
3. Answer the following questions (any nine): (3 × 9 = 27)
(a) Write a C++ program to check a number whether it is palindrome or not.
(b) Write a C++ program to input number of week days (1-7) and to display the name of the day of the week. (Using switch case)
(c) What are tokens in C++? Also explain their role and importance.
(d) Write a C++ program to find the largest and smallest elements in an array.
(e) What is visibility mode in C++? How many visibility modes are available in C++?
(f) What are the different types of operating system? Give examples.
(g) Write a C++ program to enter any string and find the length of the string.
(h) Write the difference between low-level languages and high-level languages.
(i) What is constant in C++? Differentiate between variables and constants in C++.
(j) Write a C++ program using structure.
(k) Write a C++ program to sort (ascending order) the elements of an array.
4. Answer the following questions (any three): (5 × 3 = 15)
(a) Write a C++ program to find the addition of two $3 \times 3$ matrices.
(b) Write a C++ program to conversion of the character from small letter to capital letter.
(c) Write a C++ program to find HCF and LCM of two numbers.
(d) Write a C++ program to compute the sum of the following series:
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