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Posted byAndrew
Active Standby vs Active Active Active/Standby and Active/Active are two failover mechanisms used widely all over the world to improve the reliability of the systems. Also, these two methods can be considered as high availability implementation methods. Each mechanism has its own method to determine and perform failover. Different systems use these methods to achieve […]
Posted byIndika
Checked Exception vs Runtime Exception Exceptions are special type of events, which can disturb the normal program flow. The name exception comes from “exceptional event”. Throwing an exception is the process of creating an exception object and handing it off to the runtime system. When the runtime system receives the exception object, it will try […]
Posted byIndika
WebLogic vs WebSphere | WebLogic Server 11gR1 vs WebSphere 8.0 Application servers play a major role in modern enterprise computing by acting as the platform for the development, deployment, and integration of enterprise applications. Application servers facilitate common functions such as connection, security and integration. This allows developer to focus only on the business logic. […]
Posted byIndika
Weblogic vs Jboss Application servers play a major role in modern enterprise computing by acting as the platform for the development, deployment, and integration of enterprise applications. Application servers facilitate common functions, such as connection, security and integration. This allows developers to focus only on the business logic. Two of the popular Java EE-based application […]
Posted byIndika
NTFS vs FAT A file system (also known as filesystem) is a technique for storing data in an organized and a human-readable form. The basic unit of a data file system is called a file. A file system is a very important component residing in most data storage devices like hard drives, CDs and DVDs. […]
Posted byIndika
Remote Desktop vs VNC Remote Desktop and VNC (Virtual Network Computing) are two of the popular GUI based desktop sharing applications. Both of them can be used to remotely login to another computer and access the desktop, data, applications and even control it remotely. Remote Desktop runs on Windows machines, while VNC is platform-independent. What […]
Posted byIndika
SSD vs vs HDD HDD and SSD are two types of devices used for data storage. HDD (Hard Disk Drive) is an electromechanical device with internal moving parts, while SSD (Solid-state Drive) stores data in memory chips. Both HDD and SSD use the same interface, therefore they are easily replaceable with each other. HDD are […]
Posted byIndika
串行和并行端口一个端口(源自拉丁语word “porta” for door) is a physical interface that connects a computer to other computers or hardware input/output devices. Based on the signal transfer, ports are divided in to two groups as serial and parallel ports. Serial ports transfer data one bit at a time using […]
Posted byIndika
Authentication vs Authorisation The process of securely identifying its users by a system is called authentication. Authentication tries to identify the identity of the user and whether the user is actually the person he/she is representing to be. Determining the level of access (what resources are made accessible to the user) of an authenticated user […]
Posted byIndika
Address Bus vs Data Bus According to computer architecture, a bus is defined as a system that transfers data between hardware components of a computer or between two separate computers. Initially, buses were made up using electrical wires, but now the term bus is used more broadly to identify any physical subsystem that provides equal […]