31. What is the destructive program that spreads from computer to computer?

【Virus】

32. What term is issued for animals that give birth to its young?

【Mammals】

33. What is the piece of paper that you receive after you have bought an item?

【Receipt】

34. What do you call the document that tells your qualification and work Expo?

【CV, curriculum vitae, resume】

35. How would you describe an economy that is largely based on farming? 

【Agricultural, Rural】

36. What is the study of stars and planet called? 【Astronomy】

37. In business and advertising, what does PR stand for?

【Public relations 】

38. What emergency service is called at sea?

【Coastguard 】

39. Name the month that falls between April and June.

【May 】

40. What word describes moving a file from the Internet to your computer? 

【Downloading / Download】