COMPUTER PART=4

From the given option, opera is not an operating system rest are the operating system. Opera is a multi-platform web browser developed by its namesake company Opera.

Among the following options, Netscape Navigator was the first web browser. After this, Internet Explorer, Safari and Chrome came into existence respectively.

Among the given options, 'Shalimar' is not a web browser, while Mozilla Firefox and Opera are web browsers. With the help of a web browser, those web pages can be viewed, which contain text, images, videos and other multimedia.

Linux is an operating system. Operating system is a kind of control program of the computer, which controls all the activities of the computer. Linux is compatible with other operating systems like MS DOS. There is software like DOS and Win-95/98 operating.

Android is an open-source operating system for mobile devices and a corresponding open-source project led by Google.

Among the options, only Windows is NOT an open- source operating system. Windows is a closed-source operating system marketed by Microsoft. Microsoft first introduced the Windows operating system on 20 November 1985.

Swift is a new programming language from Apple, built by Apple, that builds on the techniques learned in Objective-C but modernizes them to include shorter syntax and easier readability, maintainability and safety to prevent crashes.

The GIMP is an acronym for GNU Image Manipulation Program The GIMP is an application suitable for task such as retouching photographs and composing and authoring images. Its capabilities as an image manipulation program make it a worthy competitor to other similar programs such as Adobe Photoshop or Corel Photo Paint.

Before a search engine can tell you where a file or document is, it must be found. To find information on millions of Web pages that exist, a search engine employs special software robots, called spiders, to build lists of the words found on Web sites. When a spider is building its lists, the process is called Web crawling.

Application Software's allow the user to perform certain tasks like creating documents, preparing presentations, etc. Java is a computer programming language that is used for writing instructions and rules for the computer.