Articles for category: Computer Network

Trapti Gupta

Computer Network

Difference Between Connection-Oriented and Connectionless Services

Main difference between connection-oriented and connectionless is that connection-oriented service establishes a connection before data transmission whereas there is no connection establishment in connectionless service. TCP is a connection oriented and connectionless protocol is UPD. In this article, we will look at the difference between connection-oriented and connectionless services in detail. Connection-Oriented Services Every packet ...

Sushant Gaurav

Computer Network

Advantages and Disadvantages of Computer Network

At the heart of modern connectedness, a computer network is a web of interconnected devices communicating and exchanging resources in real time. It is a virtual highway connecting computers, smartphones, and other devices to enable collaboration, information exchange, and access to shared data. Consider it a digital neighborhood where information flows like a conversation, whether ...

Sushant Gaurav

Computer Network

What is a Personal Area Network ?

PAN (Personal Area Network) is a close-knit network that allows your devices to communicate. Consider it your digital campfire, where devices like smartphones, computers, and wearables congregate for smooth data exchange. PANs utilize Bluetooth or Wi-Fi to provide a convenient, immediate link for sharing files, information, or even music without the hassle of a large ...

Shivam Verma

Computer Network

What is Bus Architecture?

A bus is a collection of electrical pathways or conductors that carry data, addresses, and control signals between different hardware components. These components are linked to the bus, allowing them to interact and collaborate effortlessly, and these all together are called bus architecture. The width (number of data lines), speed, and protocols of bus architectures ...

Shivam Verma

Computer Network

What is Network Hardware?

The physical components and devices that are required for computer networks to function are referred to as network hardware. These devices make it easier for computers and other network devices to communicate and transmit data. Network hardware is an essential component in establishing and maintaining efficient and reliable network infrastructures, whether they be small local ...

Kanchan Jeswani

Computer Network

Physical Layer in OSI Model

OSI (Open System Interconnection) model is a conceptual model that is used to describe seven layers that computer systems use to communicate over a network. This model has been described in the form of 7 layers namely, Physical layer, Network layer, Data Link layer, transport layer, session layer, presentation layer and the application layer. All these 7 layers work together to transmit the ...

Shubhrima Jana

Computer Network

Flow Control and Error Control

Data Link Layer is responsible for reliable point-to-point data transfer over a physical medium. To implement this data link layer provides three functions : What is Flow Control in the Data Link Layer? Flow control is a set of procedures that restrict the amount of data a sender should send before it waits for some acknowledgment from the ...

Trapti Gupta

Computer Network

Cryptography and Network Security

Cryptography is a term used in data communication that refers to protecting the private information shared between two parties. Network Security refers to securing and protecting the network and data to ensure the confidentiality of data. What is Cryptography? Cryptography generally deals with the study and practice of techniques for ensuring secure communication between two parties ...

Akshay Mishra

Computer Network

What is MAC Address?

MAC address is the physical address, which uniquely identifies each device on a given network. To make communication between two networked devices, we need two addresses: IP address and MAC address. A physical address that operates at the Data Link Layer is called a Media Access Control Address. It is assigned to the NIC (Network Interface card) of ...

Sakhi Bhagwat

Computer Network

IPv4 Address

The IPv4 address or the Internet Protocol Address is the fourth version of the Internet Protocol. IPv4 addresses are 32-bit addresses that are unique to every host or device on the internet. The IP address allows the host to be connected to other devices on the internet to communicate with them. There are two versions of Internet Protocol- IPv4 and IPv6. ...