Question Paper of Computer Science | Grade XI 2071

Candidates are required to give their answer in their own words as far as practicable. The figure in the margin indicate full marks.

 

Time: 3 hrs | Full Marks: 75 | pass Marks: 27 

Group ‘A’ – Long Answer questions

Attempt any three questions [3x10=30]

1. What is an operating system? Describe the types of operating system. [2+8=10]
2. What is logic gate? Describe any four types of logic gate with truth table. [2+8=10]

3. Describe different types of programming design tools with examples [10]
4. What is memory? Describe the types of memory. [2 + 8]

Group ‘B’ – Short Answer questions

Attempt any nine questions. [9 X 5 = 45]

5. What is number system? Convert (ABCD)₁₆ hexadecimal number into octal number system. [1 + 4]
6. List the major features of mobile computing.
OR
Describe the major features of super computer. [5]
7. Describe different types of software. [5]
8. List out the functions of CPU [5]
9. Describe the features of forth generation computer. [5]
10. Describe Non-Impact Printers with example. [5]
11. What is Internet? List the major uses of Internet [1 + 4]
OR
Describe the features of Word-processor.
12. Differentiate between Compiler and Interpreter.
13. Subtract (11001)₂ from (11101)₂ using 1’^s and 2’^s complement method.
14. List out the advantages and uses of HTML [2.5 + 2.5]
OR
Write the functions of DBMS.
15. Write short notes on: [2.5 + 2.5]
a. OCR
b. Computer booting.