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Unix Operating System

Unix Operating System Unix Operating System is a multiuser, portable, time-sharing, and multitasking operating system that was developed in 1969. Unix operating system was developed by a group of AT & T Laboratory employees Dennis Ritchie, Joe Ossanna, Douglas Mcllroy, and Ken Thompson at Bell Labs.  The first language that was used to developed a Unix operating system was Assembly Language and then the Unix operating system was...

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Components of Operating System

Components of Operating System An operating system is a complex and vast system. We can only create the operating system by dividing it into small parts. Each part must be a well-defined portion of a system that appropriately describes the functions, inputs, and outputs. There are various operating systems that do not have a similar structure, such as Windows, Unix, Linux, and Mac. But many operating systems use the same operating...

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Needs of Operating System

Needs of Operating System There are various needs of operating system: Managing Input-Output UnitThe Operating system as a platform for application programsMultitaskingConsistent user interface Managing Input-Output Unit: – With the help of the operating system, the computer can handle its resources like keyboard, monitor, printer, memory, etc. The resource management is needed for efficient utilization of the resources. The...

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Android Operating System

What is Android Operating System? Android is a Linux-based and open-source operating system mainly established for mobile devices like tablet computers and Smartphones. The Android operating system was established by the Open Handset Alliance, led by Google and other companies. Android provides you an integrated approach to the development of the applications for the mobile devices that means developers only develop for Android, and we...

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Selection in D3.js

Selection in D3.js Selection is an important concept of D3.js. This concept depends upon the Cascading Stylesheet (CSS) selectors. It helps you to choose one or more than one element on a webpage. The Selection also allows you to remove, append, and modify the data items related to the already existing datasets.The selections allow you to modify the most powerful data-driven conversion of the DOM (Document Object Model). The selection...

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SVG Transformation

SVG Transformation The SVG transformation can be defined as to mutate the single SVG shape element or the set of SVG elements. The SVG transformation upholds Rotate, Translate, Scale, and Skew (Shear). SVG also contains an attribute called “Transform,” which supports the transformation. An SVG transformation may consist of the following functions. They are- Rotate The rotate holds the three options, such as angle, the angle of...

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Introduction to SVG

Introduction to SVG In D3.js, SVG represents Scalable Vector Graphics. SVG is a text or XML (Extensible Markup Language) based image or graphics format used to grant the options to draw various shapes like line, circle, triangle, rectangle, ellipse, etc. So, the SVG helps you to design the visualization more flexibly and effectively. Features of SVG Here, some important features of SVG are given below- Scalable Vector Graphics (SVG)...