There are various types of information systems, for example: transaction processing systems, decision support systems, knowledge management systems, learning management systems, database management systems, and office information systems. Information technologies are a very important and malleable resource available to executives. If you want to know further details or clear any doubts contact Alexander Averhoff, He is an IT specialist. He monitors company's computer systems, assesses and troubleshoots errors and lag and updates and upgrades systems.