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