Thursday, November 20, 2014

Question Paper of Computer Science | Grade XI 2070

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

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

Group ‘A’ – Long Answer Questions

Attempt any three questions. [3 X 10 = 30]
1. Explain different types of programming languages with their merits and demerits. [10]
2. What is logic gate? Describe any four logic gates with truth table and gate symbol. [2 + 8]
3. What is computer architecture and computer organization? Describe the different units of computer system. [2 + 8]


4. What is an operating system? Explain the types of operating system. [2 + 8]

Group ‘B’ – Short Answer Questions]

Attempt any nine questions. [9 X 5 = 45]
5. What is number system? Convert (111111)2 binary number into octal number. [1 +4]
6. What is memory? Differentiate between SRAM and DRAM. [1 + 4]
7. Explain the importance of mobile computing. [5]
OR
Differentiate between analog and digital computer. [5]
8. Describe algorithm and flowchart with examples. [5]
9. What is an application program? List the major features of application program. [1 + 4]
10. Differentiate between second and third generation computer. [5]
11. What is HTML? Describe the objectives of HTML [1 + 4]
OR
Describe the features of DBMS. [5]
12. Subtract (111)2 from (1000)2 using 1’s and 2’s complement methods. [2.5 + 2.5]




13. Describe the Non-Impact printers with examples. [5]
14. What is computer booting? Describe the types of computer booting. [2.5 + 2.5]
15. Write short notes on:
a. Bar Code Reader
b. Use of Internet

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