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A
download can mean either any file that is offered for downloading or
that has been downloaded, or the process of receiving such a file.
It
has become more common to mistake and confuse the meaning of
downloading and installing or simply combine them incorrectly together.
The
inverse operation, uploading, can refer to the sending of data from a
local system to a remote system such as a server or another client with
the intent that the remote system should store a copy of the data being
transferred, or the initiation of such a process. The words first came
into popular usage among computer users with the increased popularity of
bulletin board systems (BBS), facilitated by the widespread
distribution and implementation of dial-up internet access in the 1970s.
Definition
The
use of the terms uploading and downloading often imply that the data
sent or received is to be stored permanently, or at least stored more
than temporarily. In contrast, the term downloading is distinguished
from the related concept of streaming, which indicates the receiving of
data that is used near immediately as it is received, while the
transmission is still in progress and which may not be stored long-term,
whereas in a process described using the term downloading, this would
imply that the data is only usable when it has been received in its
entirety. Increasingly, websites that offer streaming media or media
displayed in-browser, such as YouTube, and which place restrictions on
the ability of users to save these materials to their computers after
they have been received, say that downloading is not permitted. In this
context, download implies specifically "receive and save" instead of
simply "receive". However, it is also important to note that downloading
is not the same as "transferring" (i.e., sending/receiving data between
two storage devices would be a transferral of data, but receiving data
from the Internet would be considered a download.
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