Explanation

JMP instruction transfers the flow of execution by changing the program counter.

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Unshielded twisted pair  is a ubiquitous type of copper cabling used in telephone wiring and local area networks .

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The abacus is a calculating tool which has been used since ancient times

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 Microsoft-XP is not an example of file compression Program used in windows operating system.

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A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs.

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4K resolution is a display resolution of 4096×2160 pixels.

It is four times the resolution of Full HD (1920×1080 pixels).

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Explanation

With Time Machine, we can back up files on your Mac that weren't part of the mac OS installation, such as apps, music, photos, and documents.

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Explanation

The Primary Key consisting of two or more attributes is called Composite Key.