Second Mid Term Examination 2078 Subject: Computer Science SET-A Time: 50 Minutes Class: X Full Marks: 25 Group “A” [10 Marks] 1. Answer the following questions in short : [5x1=5] a) Define copyright. b) What is encryption? c) How does a virus spread from one computer to another? d) List any two advantages of e-commerce. e) What is cloud computing? 2. Write appropriate technical term for the following: [5x1=5] a) Buy or sell through online b) Process to hide message c) Extra copy of data d) A secret word that gives a user access e) A harmful computer program 3. Write the full forms of following: [5x1=5] a. WAP b. B2G c. ICT d. IOT e. UPS 4. Write QBASIC program for the followings: [5x2=10] a) Using Sub, get the temperature in Celsius and convert to Fahrenheit [F=(9*C/5)+32] b) Using function calculate factorial of given number c) Using sub , display first ten even numbers d) Using function , check whether the input number is palindrome or not e) Using Sub, whether there is profit or loss. The End Second Mid Term Examination 2078 Subject: Computer Science SET-B Time: 50 Minutes Class: X Full Marks: 25 Group “A” [10 Marks] 1. Answer the following questions in short : [5x1=5] a) What do you mean by virtual reality? b) What is decryption? c) How can boot sector virus harm the computer? d) List any two advantages of m-commerce. e) Explain IOT in brief. 2. Write appropriate technical term for the following: [5x1=5] a) Moral principles for computer user b) Buy or sell through mobile c) A company which supply internet d) A security mechanism used on the internet e) A computer program which detect and remove destructive programs 3. Write the full forms of following: [5x1=5] a. C2C b. G2E c. IT d. HTTP e. USB 4. Write QBASIC program for the followings: [5x2=10] a. Using Sub, calculate simple interest b. Using function , calculate sum of digits of given number c. Using sub , display first ten odd numbers d. Using function , check whether the input number is Armstrong or not e. Using Sub, whether the given number is positive, negative or zero. The End
