What is OpenStack? OpenStack is an open-source cloud management platform that controls huge amounts of storage and networking resources throughout a data center. It started as a joint project of Rackspace hosting provider and NASA. OpenStack was designed to manage the IaaS (Infrastructure-as-a-Service) type of cloud computing. …

The First Generation (1940 to early 1950s) When the first electronic computer was developed in 1940, it was created without any operating system. In early times, users have full access to the computer machine and write a program for each task in absolute machine language. …

What is Randomized Algorithm? Basically we use random algorithm which typically gives any random number or value as an input to our executing program to decide what to do next anywhere in our logic. This algorithm is used to reduce the time complexity, memory used or space complexity, in a…

Designing a model is an important phase and is a multi-process that represents the data structure, program structure, interface characteristic, and procedural details. It is mainly classified into four categories — Data design, architectural design, interface design, and component-level design. Data Modeling/Design: It represents the data objects and their interrelationship…

Java is one of the powerful languages used in the IT industry to develop a number of software projects. To be a successful Java programmer, a developer needs to understand one of the important concepts of Java i.e. JDBC — Java Database Connectivity or JDBC. What is JDBC? JDBC stands for Java Database…