Computer connected to each other through any medium is called computer networks like Internet. Source May be Wired or Wireless. but Wired source is very efficient in computer networks
The transmission, between or among points specified by the user, of information of the user's choosing, without change in the form or content of the information as sent and received.
Database System Utilities
Loading Conversion Backup File Reorganization Performance monitoring Communication
Single-user vs. Multiuser Centralized vs. Distributed Data Model Relational Network Hierarchical Object-oriented