Brainware University Computer Science Module 1

A set of devices connected by communication links.

The exchange of data between two devices via a transmission medium.

Message, sender, receiver, transmission medium.

<p>The device that sends the data message.</p> Signup and view all the answers

<p>Information presented in an agreed upon form by the parties.</p> Signup and view all the answers

<ol> <li>Delivery - the system must deliver data to the correct destination. 2. Accuracy - the system must deliver the data accurately without alteration. 3. Timeliness - the system must deliver data in a timely manner, especially for real-time audio/video. 4. Jitter - refers to the variation in packet arrival time.</li> </ol> Signup and view all the answers

<p>Text is represented as bit patterns using coding systems like Unicode or ASCII. Numbers are directly converted to binary representation. Images are divided into a matrix of pixels, with each pixel assigned a bit pattern.</p> Signup and view all the answers

<p>A protocol is a set of rules that govern data communications. It represents an agreement between communicating devices on how to transmit data.</p> Signup and view all the answers

<p>Jitter refers to the variation in packet arrival time or uneven delay in packet delivery. For audio/video, minimizing jitter is crucial to ensure smooth real-time playback without interruptions.</p> Signup and view all the answers

<p>The transmission medium is the physical path by which a message travels from the sender to the receiver. Examples include twisted-pair wire, coaxial cable, fiber-optic cable, and radio waves.</p> Signup and view all the answers