Computer Science & Informatics Practices : XI , XII

COMMUNICATION AND NETWORKING CONCEPTS FULL FORMS 1. ARPANET Advanced Research Project Agency Network 2. NSF National Science Foundation 3. TCP/IP Transmission Control Protocol/Internet Protocol 4. IP Internet Protocol 5. NIU Network Interface Unit 6. NIC Network Interface Card 7. MAC Address Media Access Control address 8. TAP Terminal Access Point 9. LAN Local Area Network 10.MAN Metropolitan Area Network 11.PAN Personal Area Network 12.CAN Campus Area Network 13.WAN Wide Area Network 14.VGM Voice Grade Medium 15.DGM Data Grade Medium 16.UTP Cable Unshielded Twisted Pair Cable 17.STP Cable Shielded Twisted Pair Cable 18.CAT-5 cable Category-5 cable 19.WWW World Wide Web 20.GHz Giga Hertz 21.Hz Hertz 22.MHz Mega Hertz 23.KHz Kilo Hertz 24.THz Tera Hertz 25.PDA Personal Digital Assistant 26.LASER Light Amplification (by) Stimulated Emission (of) Radiation 27.bps bits per second 28.Bps Bytes per second 29.kbps kilo bits per second 30.Kbps Kilo bytes per second 31.mbps million bits per s...

  SAMPLE PAPER – SET MARKING SCHEME COMPUTER SCIENCE [CODE–083] CLASS – XII Max Time : 3 hours Max Marks : 70 1. (a) Write the prototype of a function named Percent, which takes an integer as value parameter and return a float type value. The parameter should have a default value 10. AAns:-      float Percent (int x=10); (2)   1 (b) Write the names of header files, which   are NOT necessary to run the following program: #include <iostream.h> #include <stdio.h> #include <string.h> #include <math.h> void main() { char STR[80]; gets(STR); puts(strrev(STR)); } Ans:- <iostream.h>       <math.h> (1) 1(c) Tarunaj has just started working as programmer in the JAGAT WORLD SOFTWARE company. In the company, he has got his first assignment to develop a small C++ module to find th...