Answer:
The correct option is d.) All of the choices are correct.
Explanation:
The SIS (Strategic Information System), it is developed for respond the corporate world which is used for giving higher advantages of the competition. It was introduced by Dr. Charles Wiseman in 1982 and it is primarily used in the field of the information systems, the strategic information systems is created in the response to the business initiatives to provide the competitive advantage.
Well first u have to know what Instant messaging is .When you instant message a person, you usually find a friend at your school or work who also have the same messenger system. Then you download either yahoo messenger or aol messenger which are both free of cost and viruses.Texting is just the same Only difference is data and how u have to pay to text. I hoped i helped
less time and depth is required for panel discussions
