Whois & Analysis for pdffiller.com

Electronic mail, or email, is a method of exchanging digital messages between people using digital devices such as computers and mobile phones.

Email first entered substantial use in the 1960s and by the mid-1970s had taken the form now recognized as email.

Email operates across computer networks, which today is primarily the Internet.

Some early email systems required the author and the recipient to both be online at the same time, in common with instant messaging.

Today's email systems are based on a store-and-forward model.

Email servers accept, forward, deliver, and store messages.

Neither the users nor their computers are required to be online simultaneously; they need to connect only briefly, typically to a mail server or a webmail interface, for as long as it takes to send or receive messages.

Fax (short for facsimile), sometimes called telecopying or telefax (the latter short for telefacsimile), is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected to a printer or other output device.

The original document is scanned with a fax machine (or a telecopier), which processes the contents (text or images) as a single fixed graphic image, converting it into a bitmap, and then transmitting it through the telephone system in the form of audio-frequency tones.

The receiving fax machine interprets the tones and reconstructs the image, printing a paper copy.

Early systems used direct conversions of image darkness to audio tone in a continuous or analog manner.

Since the 1980s, most machines modulate the transmitted audio frequencies using a digital representation of the page which is compressed to quickly transmit areas which are all-white or all-black.

A form filler is a software program that automatically fills forms in a UI.

Form fillers can be part of a larger program, like a password manager or an enterprise single sign-on (E-SSO) solution.

The Portable Document Format (commonly referred to as PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.

Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.

A document is a written, drawn, presented, or memorialized representation of thought.

The word originates from the Latin documentum, which denotes a "teaching" or "lesson": the verb doceō denotes "to teach".

In the past the word was usually used to denote a written proof useful as evidence of a truth or fact.

In the computer age, "document" usually denotes a primarily textual computer file, including its structure and format, e.

g.

fonts, colors, and images.

Contemporarily, "document" is not defined by its transmission medium, e.

g., paper, given the existence of electronic documents.

"Documentation" is distinct because it has more denotations than "document".

Documents are also distinguished from "realia", which are 3 dimensional objects that would otherwise satisfy the definition of "document" because they memorialize or represent thought; documents are considered more as 2 dimensional representations.