CBSE COMPUTER SCIENCE

Q1. What do you mean by Computer Network? Q2. Write two advantages of computer network, Q3. What do you mean by workstation? Q4. Define the term protocol. Q5. Expand the following term 1. PAN 2. LAN 3. MAN 4. WAN Q6. What do you mean by PAN. Q7. A computer network which covers a small geographical area like in school, office is _______ (LAN/MAN/WAN Q8. Name three types of cables used in computer network. Q9. Write one advantage and one disadvantage of Twisted Pair cable. Q10. Write one advantage and one disadvantage of Coaxial cable. Q11. Write one advantage and one disadvantage of Optical Fibre. Q12. Write two factors on which selection of transmission media depends. Q13. Which of the following is short frequency wave. 1. Radiowave 2. Microwave 3. Infrared Q14. Write the full form of the following: 1. AM 2. FM Q15. Out of Microwave and Radiowave signals, which travels in a straight line? Q16. Which wireless medium is used by your TV remote? Q17. Bluetooth is used to establish ___________.(PAN/LAN/MAN) Q18. What is bluetooth technology? Q19. Write the full form of Wi-Fi. Q20. Write one advantage of Satellite communication.

SAMPLE QP - TERM-2

Example for "Storing Condition " (Named Condition)

x=int(input("Enter the value of X : ")) y=int(input("Enter the value of Y : ")) z=int(input("Enter the value of Z : ")) Small_X = y > x < z Small_Y = z > y < x Small_Z = x > z < y Eql_XY=x==y Eql_XZ=x==z Eql_YZ=y==z if Small_X: print("X is Smaller than Y and Z ") elif Small_Y: print("Y is Smaller than Z and X ") elif Small_Z: print("Z is Smaller than X and Y ") elif Eql_XY: print("X and Y are EQUAL ") elif Eql_YZ: print("Y and Z are EQUAL ") else: print("X and Z are EQUAL ")