5.1 Introduction to Computer Networks
Wednesday, January 26, 2022
TCP/IP Protocol
TCP/IP Protocol
[Transmission Control Protocol/ Internet Protocol]
TCP/IP was developed by Department of Defense in USA. It is used on the largest network,
the internet but is available in all the small and big computers.
It provides communication between two or more computer systems used for communication
over the internet.
OSI Model
What is OSI MODEL?
The International Standards Organization (ISO) based in Geneva, developed standards for international and national data communications.
In the early 1970s, ISO developed a standard model of a data communication system.
The Open System Interconnection (OSI) model describes how data is sent and received over a network.
This model breaks down data transmission over a series of seven layers. Each layer has a responsibility to perform specific tasks.
Introduction to Computer Networks
What are Networks?
Simply, a computer network is an interconnection between two or more computers and/or other network devices so that they can communicate with each other to share network resources (both hardware and software).
OR
A network is a collection of computers or other devices called nodes that communicate with each other on a shared network medium.
Tuesday, January 25, 2022
Functions in C++ programming
Functions in C++ programming
What are C++ functions?
C++ functions are the code blocks or statements combined together for execution. For details please download slide.
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