Explanation

2 scrollbars does a window have in general.

The ScrollBar controls display vertical and horizontal scroll bars on the form. This is used for navigating through large amount of information.

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Quotation marks " " in web searching force the search engine to find that exact phrase in the same word order.

It helps to narrow results and improve accuracy, especially for names, quotes, or specific terms.

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Explanation

The file type .pdf is associated with Adobe Acrobat.

It is used for creating and viewing Portable Document Format files.

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The db_accessadmin role manages security, but handles access to the database, as the name implies.

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Explanation

Software used free for some days is freeware

Freeware is a type of proprietary software that is released without charge to the public

Other names for freeware are "free software" and "open-source software"

Explanation

A communications device is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device.

Explanation

A machine language doesn't need a compiler to execute its commands.

Explanation

A graph is a non-linear data structure that has a finite number of vertices and edges, and these edges are used to connect the vertices.