A download manager is Dvdfab Platinum Free Download a computer program dedicated to the Dvdfab Platinum Free Download task of downloading (and sometime uploading) possibly unrelated stand-alone files from (and sometime to) the Internet for storage. This is unlike a World Wide Web browser, which is mainly intended to browse web pages, composed of a multitude of smaller files, where error-free Dvdfab Platinum Free Download moving of files for permanent storage is of secondary importance. (A failed or incomplete web page file rarely ruins the page.) The Dvdfab Platinum Free Download typical download manager at a minimum provides means to recover Dvdfab Platinum Free Download from errors without losing Dvdfab Platinum Free Download the work already completed, and can optionally split the file to be downloaded Dvdfab Platinum Free Download (or uploaded) into 2 or more segments, which Dvdfab Platinum Free Download are then moved Dvdfab Platinum Free Download in parallel, potentially making the process faster within the limits of Dvdfab Platinum Free Download the available bandwidth. (A few servers Dvdfab Platinum Free Download are known to Dvdfab Platinum Free Download block moving files in parallel segments, on the principle that server capacity should be shared equally by all users.) Multi-source is the name given Dvdfab Platinum Free Download to files that are downloaded in parallel.
There Dvdfab Platinum Free Download are several things that some web browsers are not very good at. Dvdfab Platinum Free Download That's where the download managers enter the equation:
Pausing the downloading of large files.
Resuming broken or paused downloads (especially for very large files).
Downloading files on poor connections.
Downloading several files from a site automatically according to simple rules (file types, updated files, Dvdfab Platinum Free Download etc. - see also Offline Browser).
Automatic recursive downloads (mirroring).
Scheduled downloads (including, automatic hang-up and shutdown).
Searching for mirror sites, and the handling of different connections to download the same file more quickly (segmented downloading).
Download managers are Dvdfab Platinum Free Download useful for Dvdfab Platinum Free Download active Internet users. For dial-up users, they can Dvdfab Platinum Free Download automatically dial the internet service Dvdfab Platinum Free Download provider at night, when rates or tariffs are usually lower, download Dvdfab Platinum Free Download the specified Dvdfab Platinum Free Download files, and hang-up. They can record which links the user clicks on during the day, and queue these files for later download. For broadband users, download managers can help download very large files by resuming broken downloads, by limiting Dvdfab Platinum Free Download the bandwidth used, so that other internet activities are not affected (slowed) Dvdfab Platinum Free Download and the server is not overloaded, or by automatically navigating a site and downloading Dvdfab Platinum Free Download pre-specified content (photo galleries, MP3 collections, etc.) this can also include automatically downloading whole sites and regularly updating them (see Dvdfab Platinum Free Download Mirroring).
Many download managers support Metalink, an XML file listing mirrors, checksums, and other information useful Dvdfab Platinum Free Download for Dvdfab Platinum Free Download downloading.
See below for some examples of commonly used download Dvdfab Platinum Free Download managers. Some downloaders are optimized for a certain function. For example, Offline Explorer is designed to download entire websites.
Download managers, such as Go!Zilla, were among the first Dvdfab Platinum Free Download adware applications displaying a banner ad in the user interface.
Related to download managers are two other breeds of Internet programs, file-sharing peer-to-peer applications (Kazaa, eMule, BitTorrent, Gnutella) and stream Dvdfab Platinum Free Download recorders (such as StreamBox VCR).
While download managers are designed to give users Dvdfab Platinum Free Download greater control over downloads, some downloaders are created to give that control to Dvdfab Platinum Free Download content distributors instead. Some Dvdfab Platinum Free Download software companies, for Bat Making Software Download example Adobe [1], provide such downloaders for downloading software on Dvdfab Platinum Free Download their own site. Presumably Dvdfab Platinum Free Download this increases reliability and reduces tech support costs to them. A possible reason is increasing Dvdfab Platinum Free Download the control over redistribution of their software (even when the software is freeware).In computer technology and telecommunication, on-line and off-line are defined by Federal Standard 1037C. They Animation Of Robots To Download are states or Dvdfab Platinum Free Download conditions of a "device or equipment" or of "a functional unit". To be considered on-line, a device must be at least G Taste Download one of:
|
"Under the direct control of another device"
"Under the direct control of the Dvdfab Platinum Free Download system with which it is associated"
"Available Dvdfab Platinum Free Download for immediate use on demand by the system without human intervention"
"Connected to a system, and is in operation"
"Functional and ready for service"
while a device that is off-line is not (e.g. Dvdfab Platinum Free Download it has "its main power source disconnected or turned Dvdfab Platinum Free Download off", and is Dvdfab Platinum Free Download "off-power").
One example of a Dvdfab Platinum Free Download common use of these concepts is a Mail User Agent that can be instructed to be in either "on-line" or "off-line" states. One such MUA is Microsoft Outlook. When Dvdfab Platinum Free Download it is "on-line" it will attempt to connect to mail servers (to check for new mail at regular intervals, for example), and when it is Dvdfab Platinum Free Download "off-line" it will not attempt to make any such Dvdfab Platinum Free Download connections. The "on-line" or "off-line" state of the MUA does not necessarily reflect the connection status between the computer on Dvdfab Platinum Free Download which it is running and Internet. The Dvdfab Platinum Free Download user may have the computer itself on-line, connected Dvdfab Platinum Free Download to Internet via a cable modem or an ADSL Dvdfab Platinum Free Download connection, but may wish for Outlook Download Hd Trailers For Media Center to be off-line, Dvdfab Platinum Free Download so that it makes no attempt to send or to receive messages. Or the Dvdfab Platinum Free Download computer may be configured to employ a dial-up connection on demand (whenever an application such as Outlook attempts to make connection Dvdfab Platinum Free Download to a server), but the connection may be an Dvdfab Platinum Free Download expensive telephone call from the particular location in which the computer currently happens to be (such Dvdfab Platinum Free Download as a hotel room) and the user may not wish Outlook to trigger making that call every 5 or 10 minutes to Dvdfab Platinum Free Download check for Free Hentai Game Download mail.[1]
Another example of the use of these concepts is in the world of digital audio technology. A tape recorder, digital editor, or other device that is "on-line" Dvdfab Platinum Free Download is one whose clock is under the control of the clock of a "synchronization master" device. When the sync master commences playback, the "on-line" Dvdfab Platinum Free Download device automatically synchronizes itself to Dvdfab Platinum Free Download the master and commences playing Dvdfab Platinum Free Download from the same point in the recording. Whereas a device that is "off-line" uses no external clock reference and relies upon its own internal clock. When a large number of Dvdfab Platinum Free Download devices are connected Dvdfab Platinum Free Download to Dvdfab Platinum Free Download a sync master, it is often convenient, if one wants to hear just the output of one single device, to take it off-line, because if the device is played back on-line all synchronized devices Dvdfab Platinum Free Download have to locate the playback point and wait for each Dvdfab Platinum Free Download other to be in synchronization.[2] (For further related discussion, see MIDI timecode, word sync, Dvdfab Platinum Free Download and Dvdfab Platinum Free Download recording system synchronization.)
|
A third Dvdfab Platinum Free Download example of a common use Dvdfab Platinum Free Download of these Dvdfab Platinum Free Download concepts is a web browser that Dvdfab Platinum Free Download can be instructed to be in either "on-line" or "off-line" states. The browser only attempts Dvdfab Platinum Free Download to fetch pages from servers whilst in the "on-line" state. In the "off-line" state, users can perform offline browsing, where pages can be browsed using local copies of Dvdfab Platinum Free Download those pages that have previously been downloaded whilst in the "on-line" state. This can be useful when the computer itself Dvdfab Platinum Free Download is also off-line, with connection to Internet expensive or impossible. The pages are either downloaded implicitly into the web browser's own cache, as a result of prior on-line browsing by Dvdfab Platinum Free Download the user, or explicitly by the browser being configured to keep local copies of certain web pages, which it Sandboxie Download keeps Dvdfab Platinum Free Download updated when the browser is Dvdfab Platinum Free Download in the on-line state, either by checking that the local copies Dvdfab Platinum Free Download are up-to-date at regular intervals or by checking that Dvdfab Platinum Free Download the Dvdfab Platinum Free Download local copies are up-to-date whenever the browser is switched to the Dvdfab Platinum Free Download on-line Dvdfab Platinum Free Download state. One such web browser capable Dvdfab Platinum Free Download of being explicitly Dvdfab Platinum Free Download configured to download pages Dvdfab Platinum Free Download for Dvdfab Platinum Free Download offline browsing is Internet Explorer. When pages are Dvdfab Platinum Free Download added to the "Favourites" list, they Dvdfab Platinum Free Download can be marked for being made "available for offline browsing". Internet Explorer will download Dvdfab Platinum Free Download to local copies both the marked page and, optionally, all of the pages that it links to. In Internet Dvdfab Platinum Free Download Explorer version 6, the level of direct and indirect links, the Dvdfab Platinum Free Download maximum amount of local disc space allowed to be consumed, and the schedule on Dvdfab Platinum Free Download which local copies are Dvdfab Platinum Free Download checked to see whether they are up-to-date, are configurable for each Dvdfab Platinum Free Download individual Dvdfab Platinum Free Download "Favourite" entry.
See also:
Offline browsing known as Dvdfab Platinum Free Download "Offline favourites" was removed as a feature in the most recent version of Internet Explorer 7, Dvdfab Platinum Free Download which only now supports single web page saving, but not browsing or storing an entire site offline.[citation needed]
Similarly, off-line storage is computer storage that is not "available Dvdfab Platinum Free Download for immediate use on demand by the Dvdfab Platinum Free Download system without human intervention", i.e it is storage that is Dvdfab Platinum Free Download off-line.
The ideas Dvdfab Platinum Free Download of "on-line" Dvdfab Platinum Free Download and "off-line" have been generalized from computing and telecommunication Dvdfab Platinum Free Download into the field of human interpersonal relationships. The distinction between what is considered "on-line" and what is considered "off-line" has become a subject of study in the field of sociology.[7]
The distinction Dvdfab Platinum Free Download between "on-line" and "off-line" is conventionally seen as the distinction between computer-mediated communication and face-to-face communication (e.g. face time), respectively. "On-line" is virtuality, and "off-line" is reality (e.g. real life or meatspace). Slater states Dvdfab Platinum Free Download that this distinction is "obviously Dvdfab Platinum Free Download far too simple". To support his argument that the distinctions in relationships are Dvdfab Platinum Free Download more complex than a simple "on-line"/"off-line" dichotomy, he Dvdfab Platinum Free Download observes that some people draw no distinction Dvdfab Platinum Free Download between an "on-line" Dvdfab Platinum Free Download relationship, such as Dvdfab Platinum Free Download indulging in cybersex, and Dvdfab Platinum Free Download an "off-line" relationship, such as being Dvdfab Platinum Free Download pen-pals. He also argues that even Dvdfab Platinum Free Download the telephone can Dvdfab Platinum Free Download be regarded as an "on-line" experience in some circumstances, and that the blurring of the distinctions between Dvdfab Platinum Free Download the uses Dvdfab Platinum Free Download of various technologies Dvdfab Platinum Free Download (such as PDA and mobile telephone, Dvdfab Platinum Free Download television and Internet, Dvdfab Platinum Free Download and telephone and voice-over-IP) has made it "impossible to use the term 'on-line' meaningfully in the sense that was employed by the first generation of Internet research".[7]
|
Slater asserts that there are legal and regulatory pressures to reduce the distinction between "on-line" and "off-line", with a "general Dvdfab Platinum Free Download tendency to assimilate online to Dvdfab Platinum Free Download offline Dvdfab Platinum Free Download and erase the Dvdfab Platinum Free Download distinction", stressing, however, that this does not mean that Dvdfab Platinum Free Download on-line relationships are being reduced to pre-existing off-line relationships. He conjectures that greater legal status may be assigned to on-line relationships (pointing out that contractual relationships, such as business transactions, on-line are already seen as just as "real" as their off-line Dvdfab Platinum Free Download counterparts), although he states it Dvdfab Platinum Free Download to Dvdfab Platinum Free Download be hard to imagine courts awarding palimony to Dvdfab Platinum Free Download people who have had a purely on-line sexual relationship. He also conjectures that an "on-line"/"off-line" distinction may be seen by people as "rather quaint and not quite comprehensible" within 10 years.[7]
The distinction where "on-line" is seen Dvdfab Platinum Free Download as virtuality and "off-line" as reality is sometimes inverted, with "on-line" concepts being Dvdfab Platinum Free Download used to define and to explain Dvdfab Platinum Free Download "off-line" activities, rather than (as per the conventions of the desktop metaphor with Dvdfab Platinum Free Download its desktops, Dvdfab Platinum Free Download trash cans, folders, and so forth) the Dvdfab Platinum Free Download other way around. Several cartoons by The New Yorker have satirized this. One includes Saint Peter asking for a user name and a password before admitting a Dvdfab Platinum Free Download man into Heaven. Another illustrates "the off-line store" where "All items are actual size!", Dvdfab Platinum Free Download where shoppers may "Take it home Dvdfab Platinum Free Download as soon as you pay for it!", and where "Merchandise may be Dvdfab Platinum Free Download handled prior to purchase!". |
