Beatricelaiti

Database Management System or DBMS in short refers to the technology of storing and retrieving users’ data with utmost efficiency along with appropriate security measures. DBMS allows its users to create their own databases as per their requirement. These databases are highly configurable and offer a bunch of options. This tutorial explains the basics of DBMS such as its architecture, data models, data schemas, data independence, E-R model, relation model, relational database desi...

This book covers the principles behind analog and digital communication systems and adopts a less mathematical approach than is often at this level. It begins with basic principles such as information systems, data compression, and error detection before moving on to more advanced topics such as systems code modification systems and digital microwave systems. Data protocols are also provided so that the reader can better understand more complex communication systems. “Digital and analog commun...

A probability experiment is an action through which specific results (counts, measurements, or responses) are obtained. The set of all possible outcomes of a probability experiment is the sample space, denoted as S. e.g. All 6 faces of a die: S = { 1 , 2 , 3 , 4 , 5 , 6 } The result of a single trial in a probability experiment is an outcome