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traffic facilitate network protocol message transmission packet destinationTCP/IP consists of two . It uses packet switching tothe of messages. Packet switching divides into small unites called . Packets travel along the separately, based on the final and network and other network conditions.

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convert transfer networking connectdecision routine software packageManagement Information System all the components of an organization together. It provides information support for makers. These information is from data. A well-designed MIS can save time fortasks and speed up the of information. The four elements of MIS are people, hardware, and data. Hardware requirements often means , while software requirements often include office .

antivirus security programA virus is a that self-replicates. There are many types of viruses. Basic virus attacks computers via or Internet connections. viruses often come with your mail and are carried by the . Several viruses may be combined together to form attack. To defend against virus, you need some tools. This requires a balancing between user-friendliness and . Many software such as NAV can provide such functions plus protection.

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