THE TOP 100 FULL FORMS RELATED TO COMPUTERS: PC - Personal Computer CPU - Central Processing Unit RAM - Random Access Memory ROM - Read-Only Memory GPU - Graphics Processing Unit HDD - Hard Disk Drive SSD - Solid State Drive USB - Universal Serial Bus BIOS - Basic Input/Output System LAN - Local Area Network WAN - Wide Area Network WLAN - Wireless Local Area Network TCP/IP - Transmission Control Protocol/Internet Protocol URL - Uniform Resource Locator HTML - HyperText Markup Language CSS - Cascading Style Sheets HTTP - Hypertext Transfer Protocol HTTPS - Hypertext Transfer Protocol Secure DNS - Domain Name System ISP - Internet Service Provider VPN - Virtual Private Network JPEG - Joint Photographic Experts Group GIF - Graphics Interchange Format PNG - Portable Network Graphics PDF - Portable Document Format OCR - Optical Character Recognition GPS - Global Positioning System ASCII - American Standard Code for Information Interchange IDE - Integrated Development Environment API - Appli...
SECOND PUC ANNUAL EXAMINATION MARCH-2017
SUBJECT: COMPUTER SCIENCE (41)
TIME: 3 Hours 15 Mins. Max Marks: 70
PART-A
I. Answer all questions. 1 X 10 =10
Each question carries one mark
1. What is bus?
2. Write standard symbol for AND gate.
3. Define an array.
4. Is it possible to access data outside the class?
5. Mention any one advantages of pointer.
6. Define an entity.
7. What is chatting?
8. What is a server?
9. Expand www.
10. What is a website?
PART –B
II. Answer any five questions.
Each question carries two marks. 5X 2 = 10
1. Prove algebraically X + XY = X
2. State the principle of duality. Write the dual of 1+X=1
3. Define base class and derived class.
4. Write the features of default constructors.
5. Write difference between read () and write()
6. Write the difference between data and information.
7. Give the syntax and example for UPDATE command in SQL
8. What is communication (transmission) mode? Explain simplex mode.
PART-C
III. Answer any five questions.
Each question Carries three marks 5X3=15
1. Explain the characteristics of motherboard.
2. 20. Realize NOT, AND, OR gates using NAND gate.
3. Explain memory representation of two dimensional array.
4. Define:
a) Pointer
b) Static memory allocation
c) Dynamic memory allocation
23. Explain any three modes to open a file in C++.
24. Mention the database users.
25. Give the services of E-COMMERCE.
26 Explain any three HTML tags.
PART-D
IV. Answer any seven questions.
Each question carries five Marks. 7X5=35
27. Reduce F(A,B,C,D)=(0,4,6,7,8,12,14,15) using K-map.
28. Write an algorithm to insert an element in an array.
29. What is stack? Write an algorithm for push() and pop() operation.
30. Write the applications of OOP’s.
31. Explain class definition with syntax and example
32. Explain inline functions with programming example
33. What is a destructor? Write its syntax and example.
34. Write the types of inheritance. Explain any two.
35. Briefly explain the data processing cycle.
36. Write the purpose of following SQL functions:
a) Count()
b) Max()
c) Min()
d) Avg()
e) Sum()
37. Give the measures for preventing virus.
Comments
Post a Comment