A download manager is a computer program Chinese Songs Download dedicated to the task of downloading (and sometime uploading) Chinese Songs Download possibly unrelated stand-alone Chinese Songs Download files from (and sometime to) the Internet for storage. This is unlike a Chinese Songs Download World Wide Web browser, which is mainly intended to browse web pages, composed of a multitude of smaller files, where error-free moving Chinese Songs Download of files for Chinese Songs Download permanent storage is of secondary importance. (A failed or incomplete web page file rarely ruins the page.) The typical download manager at a minimum provides Chinese Songs Download means to recover from errors without losing the work already completed, and can optionally split the file to be downloaded Chinese Songs Download (or uploaded) into 2 or more segments, which are then 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 segments, on the principle that server capacity should be shared equally by all users.) Multi-source is the name given to files that Chinese Songs Download are downloaded in parallel.
There are several things that Chinese Songs Download some web browsers are not very Chinese Songs Download good at. That's where the download managers Chinese Songs Download enter Chinese Songs Download the equation:
Pausing the downloading Chinese Songs Download 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 Chinese Songs Download according Chinese Songs Download to simple rules (file types, updated files, etc. - Chinese Songs Download see also Offline Browser).
Automatic Chinese Songs Download recursive downloads (mirroring).
Scheduled downloads (including, automatic hang-up and shutdown).
Searching for Chinese Songs Download mirror sites, Chinese Songs Download and the handling of Chinese Songs Download different connections to download the same Chinese Songs Download file more quickly (segmented downloading).
Download managers are useful for active Internet users. For dial-up users, they can automatically dial the Chinese Songs Download internet service provider at night, when rates or tariffs are Chinese Songs Download usually lower, download the specified files, and Chinese Songs Download hang-up. They can record which links the user clicks on during the day, and queue these files for later download. Chinese Songs Download For broadband users, download managers can help download Chinese Songs Download very large files Chinese Songs Download by resuming Chinese Songs Download broken downloads, by limiting the bandwidth used, so Wall Hack Aim Bot Download that other internet activities Free Hindi Vedio Songs Download are not affected (slowed) Chinese Songs Download and the server is not overloaded, or Chinese Songs Download by automatically navigating Chinese Songs Download 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 Chinese Songs Download download managers support Chinese Songs Download Metalink, an XML file listing mirrors, checksums, and other information useful for downloading.
See below for some examples of commonly used download managers. Some downloaders are optimized for a certain function. Chinese Songs Download For example, Offline Explorer is designed Chinese Songs Download to download entire websites.
Download managers, such Chinese Songs Download as Go!Zilla, were among the first adware applications displaying a banner ad in the user interface.
Related to download managers are two other breeds of Internet programs, file-sharing Chinese Songs Download peer-to-peer applications (Kazaa, eMule, BitTorrent, Gnutella) and stream recorders (such Chinese Songs Download as StreamBox Chinese Songs Download VCR).
While download Chinese Songs Download managers are designed to give users greater control Chinese Songs Download over downloads, some downloaders are created to give that control to content distributors instead. Some software companies, for example Adobe [1], provide such downloaders for downloading software on their own site. Presumably this increases reliability Chinese Songs Download and reduces tech support costs to them. A possible reason Chinese Songs Download is increasing the control over redistribution Commodore Download of Chinese Songs Download their Chinese Songs Download software Chinese Songs Download (even when the software is freeware).In computer technology and telecommunication, Chinese Songs Download on-line and off-line Chinese Songs Download are defined by Federal Standard 1037C. They Chinese Songs Download are states or conditions of a "device or equipment" or of "a functional unit". To be considered on-line, a device Win98 Download Os must be Flash Website Design Download at least one of:
"Under the direct Chinese Songs Download control of another device"
"Under the Chinese Songs Download direct control of the system with which it is associated"
"Available for immediate use on Chinese Songs Download demand by the system without human intervention"
"Connected to a system, and is in operation"
"Functional and ready for service"
while a device Media Player Codec Download that is off-line is not Chinese Songs Download (e.g. it has "its main power source disconnected or turned off", and is "off-power").
One example of a common use of these concepts is a Mail User Chinese Songs Download Agent that can be instructed to be in either "on-line" or Chinese Songs Download "off-line" states. One such MUA Chinese Songs Download is Microsoft Outlook. When it Chinese Songs Download 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 Chinese Songs Download "off-line" it will not attempt to make any such connections. The "on-line" or Chinese Songs Download "off-line" state of the MUA Chinese Songs Download does not necessarily reflect the connection status between the Chinese Songs Download computer on which it is running and Internet. The Chinese Songs Download user may have the computer Chinese Songs Download itself on-line, Chinese Songs Download connected to Internet via a cable modem or an ADSL Chinese Songs Download connection, but may wish for Chinese Songs Download Outlook to be off-line, so that it makes no attempt to send or to receive messages. Or the computer may be configured to employ a dial-up connection on demand (whenever an application Chinese Songs Download such as Outlook attempts to make connection Chinese Songs Download to a server), but the connection may be an Chinese Songs Download 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 Chinese Songs Download or 10 minutes to check for mail.[1]
Another example Chinese Songs Download Free Download Taylor Bow of the use of Chinese Songs Download these concepts is in the world of digital audio technology. Chinese Songs Download A tape recorder, digital editor, Chinese Songs Download or other device that is "on-line" is one whose clock is under the control Chinese Songs Download of the clock of a "synchronization master" device. When the sync Dead Or Alive Online Download master commences playback, the "on-line" Chinese Songs Download device automatically synchronizes Chinese Songs Download 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 Chinese Songs Download upon its Chinese Songs Download own internal clock. When a large number of devices are connected to a sync master, it is Chinese Songs Download often convenient, if one wants to hear Chinese Songs Download just the output of one Chinese Songs Download single device, to take it off-line, because if Chinese Songs Download the device is played back on-line all synchronized devices have to locate the playback point and Hp Officejet Printing Software Download wait for each other to Chinese Songs Download be Chinese Songs Download in synchronization.[2] (For further related discussion, see MIDI Download Red October Game timecode, word sync, and recording system synchronization.)
A third example of a common use of these Chinese Songs Download concepts is a web browser that can be instructed to be in either "on-line" or "off-line" states. The Chinese Songs Download browser Chinese Songs Download 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 Chinese Songs Download local Chinese Songs Download copies of Chinese Songs Download those Chinese Songs Download pages that Chinese Songs Download have previously been downloaded whilst in the "on-line" state. This can be Chinese Songs Download useful when the computer itself is also off-line, Chinese Songs Download 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 the user, or explicitly by the Chinese Songs Download browser being configured to keep local copies of certain web Chinese Songs Download pages, which it keeps updated when Chinese Songs Download the browser is in the on-line state, either by checking that the local copies are up-to-date Chinese Songs Download at Chinese Songs Download regular intervals Download Free Nero For Windows Vista or by checking that the local copies are up-to-date whenever Chinese Songs Download 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 to the "Favourites" list, they can be marked for being made "available for offline browsing". Internet Explorer will download to local copies Chinese Songs Download both the marked page and, optionally, all of the pages that it links to. In Internet Explorer version 6, Chinese Songs Download the level of direct and indirect links, the maximum amount of local disc space allowed to be consumed, and the schedule on which local copies are checked to see whether they are up-to-date, Chinese Songs Download are configurable for each individual "Favourite" entry.
See also:
Offline browsing known as "Offline favourites" Chinese Songs Download was removed as a feature in the Chinese Songs Download most recent version of Internet Explorer 7, which only now supports single web page saving, but Hip Hop Honeys Download not browsing or Chinese Songs Download storing an entire site offline.[citation needed]
Similarly, off-line storage is computer Chinese Songs Download storage that is not "available for immediate use on demand by Chinese Songs Download the system without human intervention", i.e it is storage that is off-line.
The ideas of "on-line" Chinese Songs Download and Fallout Boy Music Videos Download "off-line" have been generalized from computing and telecommunication into the field of human interpersonal relationships. The distinction between what is considered "on-line" Chinese Songs Download and what is considered "off-line" has become a subject of study in the field of sociology.[7]
The distinction Chinese Songs Download between "on-line" and "off-line" is conventionally seen as the distinction between computer-mediated communication and face-to-face communication (e.g. Download Science Fiction Icons face time), respectively. "On-line" is virtuality, and "off-line" is reality (e.g. real life or meatspace). Slater states that this distinction is "obviously far too simple". To support his argument that the distinctions in relationships are more complex than a simple "on-line"/"off-line" dichotomy, he observes that some people draw no distinction between an "on-line" Chinese Songs Download relationship, such as indulging in cybersex, and an "off-line" relationship, such as being pen-pals. He also argues that Chinese Songs Download even the telephone can be regarded as an "on-line" experience Chinese Songs Download in some circumstances, and that the blurring of the distinctions between the uses of various technologies (such as PDA and mobile telephone, television and Internet, Chinese Songs Download and telephone and Microstation V8 Download voice-over-IP) has Chinese Songs Download made it "impossible to use the term 'on-line' meaningfully in the sense that Chinese Songs Download was employed by the first generation of Internet research".[7]
Slater asserts that there Chinese Songs Download are legal Chinese Songs Download and regulatory pressures to reduce the distinction between "on-line" and "off-line", with a "general tendency to assimilate online to offline and erase Chinese Songs Download the distinction", stressing, however, that this does not Chinese Songs Download mean that on-line relationships are being reduced Chinese Songs Download to pre-existing off-line relationships. He Chinese Songs Download conjectures that greater legal status may be assigned Chinese Songs Download to on-line relationships (pointing out that contractual relationships, such Chinese Songs Download as business transactions, on-line are already seen as just as "real" as their off-line counterparts), Chinese Songs Download although he states it to Chinese Songs Download be hard to imagine courts awarding palimony to people who have had Chinese Songs Download a purely on-line sexual relationship. He also conjectures that an "on-line"/"off-line" distinction may be seen by people as "rather Chinese Songs Download quaint and not quite comprehensible" within 10 years.[7]
The distinction where "on-line" is seen as virtuality Chinese Songs Download and "off-line" as reality is sometimes inverted, with "on-line" concepts being used to define and to explain "off-line" activities, rather than (as per the conventions of the desktop metaphor with its desktops, trash Chinese Songs Download cans, folders, and so Chinese Songs Download forth) the other way around. Several cartoons by Chinese Songs Download The New Yorker have Chinese Songs Download satirized this. One includes Saint Peter asking for a user name and a password before admitting a man into Heaven. Another Chinese Songs Download illustrates "the off-line store" where "All items Chinese Songs Download are actual Chinese Songs Download size!", where shoppers may "Take it home as soon as you pay Chinese Songs Download for it!", and where "Merchandise may be handled prior to purchase!". |
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