Data Communications and Networks Assignment Help
Data communication is the transmission of data between two devices through a transmission medium including a wire cable. BookMyEssay provides updated and well researched Data Communications and Networks assignment help to the students from all over the world. Many students pursue this course and we help students to secure good grades. We have hired reputed academic professors who have appropriate and current knowledge related to networking and data communications. If you are really worried and confused about how to compose a top-notch assignment paper, then you should contact us immediately. Our online tutors offer 24×7 assistance on this topic.
What is Data Communications and Networks?
Data communications are the transmission of data between computers and a data network or a computer network that allows the exchange of data. The physical connection is established either through wireless media or cable media between networked computing devices.
Data communications network gather data from microcomputers as well as other devices and transfer data to the central server, which is powerful minicomputer, microcomputer, or mainframe. They perform the combined process or the reverse process.
Data communications network allow efficient use of computers and improve the daily control of the business by offering a quick flow of information. They offer message transfer services and allow users to communicate with each other through chat, electronic mail, and video streaming.
Features of Data Communications and Networks
The effectiveness of a data communication system depends on the fundamental characteristics such as delivery, accuracy, jitter, and timeliness. All the features have been highlighted in our Data Communications and Networks homework and assignment help as under:
- Delivery
The system should deliver data to the right destination. Data should be received by an intended user or device.
- Accuracy
The system should deliver data accurately. Data, which has been changed in transmission or left uncorrected are not usable.
- Jitter
Jitter is the variation in the arrival time of the packet. It is an uneven delay of video or audio packets.
- Timeliness
The system should deliver data timely. Data not delivered on time are useless. In the case of audio and video, delivery means delivery of data the way they are produced and in the same order, they are produced without any significant delay. This type of delivery is known as real-time transmission.
Data Representation
Information is available in various forms including numbers, text, audio, images, and video. They are explained by our Data Communications and Networks case study assignment help as follows:
- Text
In Data communications and networks, the text is presented in the sequence of bits. Different bit patterns are designed to represent text symbols. Every set is known as a code, and the procedure to represent symbols is coding.
- Numbers
Numbers are represented by a bit pattern. A code like ASCII cannot be used for representing numbers. The number is converted directly into a binary number for simplifying mathematical operations.
- Images
Images are represented by a bit pattern. In the simplest form, images are composed of pixels matrix, where every pixel is just a small dot. The size of a pixel depends on its resolution. After images are divided into pixels, every pixel is given a bit pattern.
The value and the size of a pattern depend on an image. There are many ways to represent a color image. One method is known as RGB because every color is a combination of primary colors: green, red, and blue. The intensity of every color is measured and then a bit pattern is assigned.
- Audio
Audio refers to broadcasting or recording of music or sound. Audio differs from numbers, text, or images. It is not discrete but continuous. When we use the microphone to change music or voice to an electric signal, we have a continuous signal.
- Video
Video refers to broadcasting or recording of a movie or a picture. Video can be produced as a combination of images or a continuous entity. We can alter video to an analog or digital signal.
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