Data representation and data flow in computer network

  • Characteristics of computer network

    A piece of computer memory can be represented by a series of 0's and 1's, with one digit for each bit of memory; the value 1 represents an “on” bit and a 0 represents an “off” bit.
    This notation is described as binary form..

  • Characteristics of computer network

    DATA REPRESENTATION: Information is represented in various forms such as text, numbers, images, audio and video.
    Text: In data communication, it is represented as a bit pattern, a sequence of bits (0s and 1s).Aug 30, 2022.

  • Data communication and networking topics

    DATA REPRESENTATION: Information is represented in various forms such as text, numbers, images, audio and video.
    Text: In data communication, it is represented as a bit pattern, a sequence of bits (0s and 1s).Aug 30, 2022.

  • How do we represent data in computer networks?

    Data in a computer system is represented in binary format, as a sequence of 0s and 1s, denoting 'off' and 'on' states respectively.
    The smallest component of this binary representation is known as a bit, which stands for 'binary digit'.
    A byte, on the other hand, generally encompasses 8 bits..

  • How does data flow through a computer network?

    A dataflow network is a network of concurrently executing processes or automata that can communicate by sending data over channels (see message passing.) In Kahn process networks, named after Gilles Kahn, the processes are determinate..

  • What is data flow in a computer network?

    Dataflow computing is a software paradigm based on the idea of representing computations as a directed graph, where nodes are computations and data flow along the edges.
    Dataflow can also be called stream processing or reactive programming..

  • What is data flow in computer networking?

    What is Data Flow in Networking? Networking data flows are typically categorized as either simplex communication or duplex communication.
    Data flow in simplex communication is unidirectional.
    Data flows only from the designated transmitter to the designated receiver..

  • What is data representation in computer system?

    Computer data representation can store a variety of data, including discrete data such as numbers and letters and continuous data such as sounds and images.
    They represent the data with numeric codes.
    The data is stored in binary code, a series of zeros and ones..

The process of allocating numbers to characters is called "Coding," and these numbers are called "codes". Now, these codes are converted into binary bits to represent the textual data in a pattern of bits, and these bits are transferred as a stream via the network to other devices.

Numerical Data

Numbers are directly converted into binary patterns by dividing by 2 without any encoding

Image

Image data is also transferred as a stream of bits like textual data. An image, also called a picture, is a collection of little elements called "Pixels"

Audios

Transferring an audio signal is different from other formats. Audio is broadcasting recorded sound or music

Videos

A video is a collection of frames; each frame is a picturewith the same or different dimensions. These frames/ images are represented as matrices

What data types are represented in a computer and a network?

Data to be transferred or communicated from one device to another comes in various formats like audio, video, etc

This tutorial explains how different data types are represented in a computer and transferred in a network

Data in text format is represented using bit patterns (combinations of two binary bits - 0 and 1)

×The representation of data and its flow in a network can be done using the following methods:
  • Logical network diagrams: These describe the way information flows through a network. They typically show subnets, network devices like routers and firewalls, and routing protocols.
  • Data Flow Diagram (DFD): This is a graphical representation of data flow in any system. It is capable of illustrating incoming data flow, outgoing data flow and store data. DFD describes anything about how data flows through the system.
,A logical network diagram describes the way information flows through a network. Therefore, logical network diagrams typically show subnets (including VLAN IDs, masks, and addresses), network devices like routers and firewalls, and routing protocols.Data Flow Diagram (DFD) is a graphical representation of data flow in any system. It is capable of illustrating incoming data flow, outgoing data flow and store data. Data flow diagram describes anything about how data flows through the system.DFD is the abbreviation for Data Flow Diagram. The flow of data of a system or a process is represented by DFD. It also gives insight into the inputs and outputs of each entity and the process itself. DFD does not have control flow and no loops or decision rules are present.

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