Explanation

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

Explanation

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

Explanation

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.

Explanation

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

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

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.

Explanation

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

Explanation

Input is never converted to digital form.

Explanation

Adam Osborne invented Laptop in 1981.

Explanation

In a fixed-length field, the number of characters remains constant for each data entry. For instance, if a field is defined as having a fixed length of 10 characters

Then each entry in that field will have precisely 10 characters, regardless of whether all 10 characters are utilized.

Explanation

The web in the providing the interface of multimedia to the resources that are available on the internet

The Web is the common name for the World Wide Web