There are n numbers of users who use computer network and are located over the world. So to ensure, national and worldwide data communication, systems must be developed which are compatible to communicate with each other ISO has developed a standard. ISO stands for International organization of Standardization. This is called a model for Open System Interconnection (OSI) and is commonly known as OSI model.
The ISO-OSI model is a seven layer architecture. It defines seven layers or levels in a complete communication system. They are:
Application Layer, Presentation Layer, Session Layer, Transport Layer, Network Layer, Data link Layer, Physical Layer.
A Database is a collection of related data organized in a way that data can be easily accessed, managed and updated. Database can be software based or hardware based.Read More
GPU (Graphics Processing Unit) is an electronic circuit used to speed up the creation of both 2D and 3D images. A GPU can be present on a video card or motherboard.Read More
Transmission mode refers to the mechanism of transferring data between two devices connected over a network basically this process called Communication Mode.Read More
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