What are the differences between computer systems, communication systems and information systems?

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most?

Me dangers of social media and the internetexplain what each means: 1) social media and phones have become an addiction.2) outside people have access to you all the time.3) cyberstalking4) cyberbullying5) catphishing6) viruses7) identity theft8) credit card fraud9) hacking10) money schemes

Leo is a recruitment executive for a large company. he has identified new labor resource requirements in both the marketing and production departments. what should be his first step in recruiting candidates for the positions? a. conduct background checks of candidates b. make job offers c. arrange interviews d. conduct reference checks e. place job ads on job sites