A download manager Siol File Test Download is a computer program dedicated to the Siol File Test Download task of Siol File Test Download downloading (and sometime uploading) Siol File Test Download possibly Siol File Test Download unrelated stand-alone files from (and sometime to) the Internet Siol File Test Download for storage. This is unlike a World Wide Web Siol File Test Download browser, which is mainly intended to browse web pages, composed of a Siol File Test Download multitude of Siol File Test Download smaller files, where error-free moving of files for permanent storage Siol File Test Download is of secondary importance. (A failed or incomplete Siol File Test Download web page file Siol File Test Download rarely ruins the page.) Siol File Test Download The typical download manager at a minimum Siol File Test Download provides means to recover from errors without losing the work already completed, and can optionally split the file to be downloaded (or uploaded) into 2 or Siol File Test Download more segments, Siol File Test Download which are then Siol File Test Download moved in parallel, potentially making the process faster within the limits of the available bandwidth. (A few servers are known to block moving files in parallel Siol File Test Download segments, on the principle that Siol File Test Download server capacity should be shared equally by all users.) Multi-source is Siol File Test Download the name given to files that are downloaded in parallel.
There are several things that some web browsers are not very good at. That's where the download managers enter the equation:
Pausing the downloading of large files.
Resuming broken or paused downloads (especially Siol File Test Download for very large files).
Downloading Siol File Test Download files on poor connections.
Downloading several files Siol File Test Download from Siol File Test Download a site automatically according to simple rules (file Vocabulary Energizers Free Download types, updated files, etc. - see also Offline Browser).
Automatic recursive downloads (mirroring).
Scheduled downloads (including, automatic hang-up and shutdown).
Searching Siol File Test Download for mirror sites, and the handling of different connections to download the same file more quickly (segmented Siol File Test Download downloading).
Download managers are useful Siol File Test Download for active Internet users. Siol File Test Download For dial-up users, they Siol File Test Download can automatically dial the internet service provider at night, when rates or tariffs are usually lower, download the specified files, Siol File Test Download and hang-up. They Siol File Test Download can record which links the Siol File Test Download user clicks on during the day, and queue these files for later download. For Siol File Test Download broadband Siol File Test Download users, download managers can help download very large files by resuming broken downloads, by limiting Siol File Test Download the bandwidth used, so that other internet Siol File Test Download activities are not affected (slowed) and the server is Siol File Test Download not overloaded, Siol File Test Download or by automatically navigating a site and downloading pre-specified content (photo galleries, MP3 collections, etc.) this can also include automatically downloading whole sites and regularly updating them (see Mirroring).
Many download managers support Metalink, an Siol File Test Download XML file listing mirrors, checksums, and other information useful for downloading.
See below for some examples of commonly used download managers. Siol File Test Download Some downloaders are optimized for a certain function. Siol File Test Download For example, Offline Explorer is designed to Siol File Test Download download entire websites.
Download managers, such Dino Island Game Download as Siol File Test Download Go!Zilla, were among the first adware applications displaying a banner ad Siol File Test Download 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 recorders (such as StreamBox Siol File Test Download VCR).
While download managers are designed to give users greater control over downloads, some downloaders are created to give Apple Quick Time Download that control to content distributors instead. Some software companies, for Siol File Test Download example Adobe [1], provide such downloaders Siol File Test Download for downloading software on their own site. Presumably this increases reliability and reduces tech support Siol File Test Download costs to them. A possible reason is increasing the control over redistribution of their software Siol File Test Download (even when the software is freeware).In computer technology and telecommunication, on-line and off-line are defined by Federal Standard 1037C. They are Halo Aim Bot Download states or conditions of a "device Siol File Test Download or equipment" or of Siol File Test Download "a functional unit". To be considered on-line, a device must be at least one of:
"Under the direct control of another device"
"Under the direct control of the system with which it is associated"
"Available Siol File Test Download for immediate use on demand by the system without human intervention"
"Connected to Springbreak Download a system, and is in operation"
"Functional and ready for service"
while a device that is Siol File Test Download off-line is not (e.g. it has "its main Siol File Test Download power source disconnected or turned off", and is "off-power").
One example of a common use of these concepts is a Mail User Agent that can be instructed to be in Siol File Test Download either "on-line" or Siol File Test Download "off-line" states. Siol File Test Download One such MUA is Microsoft Outlook. Siol File Test Download When Siol File Test 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 "off-line" it Siol File Test Download will not attempt Siol File Test Download to make any such connections. The Siol File Test Download "on-line" or "off-line" state of the MUA Siol File Test Download does not necessarily reflect the connection status between the computer on which Siol File Test Download it is Siol File Test Download running and Internet. Siol File Test Download The user Siol File Test Download may have the computer itself on-line, connected to Internet via a Siol File Test Download cable modem or an ADSL connection, but may wish for Outlook to be off-line, so that it Siol File Test Download makes no Siol File Test Download attempt to send or to receive messages. Or the computer may Siol File Test Download be configured to employ a dial-up connection on demand (whenever an application such Siol File Test Download as Outlook attempts to Siol File Test Download make connection to Siol File Test Download a server), but the connection may be an expensive telephone call from the particular location in which the computer currently happens to be (such as a hotel room) and the user may not wish Outlook to trigger making that call every 5 or Siol File Test Download 10 minutes to check for mail.[1]
Another example of the use of Siol File Test Download these concepts is Siol File Test Download in the world of digital audio technology. A tape recorder, digital editor, or other device that is "on-line" is one whose Motorola W385 Drivers Download clock is under the control of the clock of a "synchronization master" device. When the sync master commences playback, the "on-line" device automatically synchronizes itself to the master and commences playing from the same point in the recording. Whereas a device that is "off-line" uses no external clock reference and relies Siol File Test Download upon its own internal clock. Siol File Test Download When a large number of devices are connected to 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 have Siol File Test Download to locate the playback point and wait for each other to be in synchronization.[2] (For further related discussion, see MIDI timecode, word sync, Siol File Test Download and recording Siol File Test Download system synchronization.)
|
A third example of a common use of these concepts is a web browser that can be Siol File Test Download instructed to be in either "on-line" or "off-line" states. The browser only attempts 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 those pages that have previously been downloaded whilst in the "on-line" state. This can be useful when the computer itself Siol File Test Download is also off-line, with connection to Internet expensive Siol File Test Download or impossible. The pages are either downloaded implicitly into the web Siol File Test Download browser's own cache, as a result of Siol File Test Download prior on-line browsing by the user, or explicitly Siol File Test Download by the browser Siol File Test Download being configured to Cent Amusement Park Download keep local copies of certain web pages, which it keeps updated when the browser is in the on-line state, either by checking that Siol File Test Download the local copies are up-to-date at regular intervals or by checking that the local copies are up-to-date whenever the browser is switched to the on-line state. One such web browser capable of being explicitly configured to download pages for offline browsing is Internet Explorer. When pages are added Download Pokemon Gold Roms to the "Favourites" list, Siol File Test Download they can be marked for being Siol File Test Download made "available for offline browsing". Internet Explorer will download to local copies both the marked page and, optionally, all Siol File Test Download of Siol File Test Download the pages that it links to. In Internet Explorer Siol File Test Download version 6, the level of direct and indirect links, the Siol File Test Download maximum amount of local disc space allowed to be Siol File Test Download consumed, and the Siol File Test Download schedule on which local copies are checked to see whether they are up-to-date, are configurable for each individual "Favourite" entry.
See also:
Offline browsing known as "Offline favourites" was removed as a feature in the most recent version of Internet Explorer 7, which only now supports single Shes Like Heroin Mp3 Download 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 for immediate use on demand by the system without human intervention", i.e it is storage that is off-line.
The ideas of "on-line" and "off-line" have been generalized from Siol File Test Download computing and telecommunication 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 Siol File Test Download field of sociology.[7]
The distinction between "on-line" and "off-line" is conventionally seen as Siol File Test Download 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. Springbreak Game Download Ski Tools real Siol File Test Download life or meatspace). Siol File Test Download Slater Siol File Test Download states that this distinction is "obviously far too simple". To support his argument Siol File Test Download that the Siol File Test Download distinctions in relationships are Siol File Test Download more complex Siol File Test Download than a simple "on-line"/"off-line" dichotomy, he observes that some people draw no distinction between an "on-line" relationship, such Siol File Test Download as indulging in cybersex, and an "off-line" relationship, such Siol File Test Download as being pen-pals. He also argues that Siol File Test Download even the telephone can be regarded Siol File Test Download as an "on-line" experience in some circumstances, and that the blurring Siol File Test Download of the distinctions between the uses of various technologies (such Siol File Test Download as Siol File Test Download PDA and mobile Siol File Test Download telephone, Siol File Test Download television and Internet, and telephone and Siol File Test Download voice-over-IP) has made it "impossible to use Siol File Test Download the term 'on-line' Siol File Test Download meaningfully in the sense that was employed by Siol File Test Download the first generation Siol File Test Download of Internet research".[7]
|
Slater asserts that there are legal Siol File Test Download and regulatory pressures to Siol File Test Download reduce the distinction between "on-line" and "off-line", with a "general tendency to assimilate Siol File Test Download online to offline Siol File Test Download and erase the distinction", stressing, however, that this does not mean that on-line relationships are Siol File Test Download being reduced to pre-existing off-line Siol File Test Download 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 Siol File Test Download just as "real" as their off-line counterparts), although he states it to be hard to imagine courts awarding palimony to 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 Siol File Test Download quite comprehensible" within 10 years.[7]
The distinction where "on-line" is seen as virtuality and "off-line" Siol File Test Download as reality is sometimes inverted, Siol File Test Download with "on-line" concepts being used Siol File Test Download to define and to explain "off-line" activities, Siol File Test Download rather than (as per the conventions of the desktop metaphor with its desktops, trash Siol File Test Download cans, folders, and so forth) the other way around. Several cartoons by The New Yorker have satirized this. One includes Saint Peter asking for Siol File Test Download a user Siol File Test Download name and a Siol File Test Download password before admitting a man into Heaven. Another illustrates "the off-line store" where "All items are actual size!", where shoppers may "Take it Siol File Test Download home as Siol File Test Download soon as you pay for it!", and where "Merchandise may be handled prior to purchase!". |
