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- Block-oriented_terminal abstract "A block-oriented terminal or block mode terminal is a type of computer terminal that communicates with its host in blocks of data, as opposed to a character-oriented terminal that communicates with its host one character at a time. The IBM 3270 is perhaps the most familiar implementation of a block-oriented terminal, but most mainframe computer manufacturers and several other companies produced them.In a typical application the host sends the terminal a preformatted panel containing both static data and fields into which data may be entered. The terminal operator keys data, such as updates in a database entry (or the device's buffer - 3270), into the appropriate fields. When entry is complete (or ENTER or PF key pressed on 3270's), a block of data, usually just the data entered by the operator (modified data), is sent to the host in one transmission. The 3270 terminal buffer (at the device) could be updated on a single character basis, if necessary, because of the existence of a \"set buffer address order\" (SBA), that usually preceded any data to be written/overwritten within the buffer. A complete buffer could also be read or replaced using the READ BUFFER command or WRITE Command (unformatted or formatted in the case of the 3270).Block-oriented terminals have the advantage of causing less system load on the host and less network traffic than character-oriented terminals. On a multi-drop line there is considerable overhead for each transmission which is the same for a single character as for thousands of characters. Block-oriented terminals may also appear more responsive to the user, especially over slow connections, since editing within a field is done locally on the terminal itself rather than depending on echoing from the host system.Early terminals had limited editing capabilities – 3270 terminals, for example, only offered the ability to check data entered into a field defined as numeric. Later so-called \"smart\" or \"intelligent\" terminals incorporated microprocessors and supported more local processing.".
- Block-oriented_terminal thumbnail IBM-3279.jpg?width=300.
- Block-oriented_terminal wikiPageID "1060749".
- Block-oriented_terminal wikiPageLength "4390".
- Block-oriented_terminal wikiPageOutDegree "34".
- Block-oriented_terminal wikiPageRevisionID "688585081".
- Block-oriented_terminal wikiPageWikiLink AT&T.
- Block-oriented_terminal wikiPageWikiLink Bull_Questar.
- Block-oriented_terminal wikiPageWikiLink Burroughs_Corporation.
- Block-oriented_terminal wikiPageWikiLink Category:Block-oriented_terminal.
- Block-oriented_terminal wikiPageWikiLink Category:Computer_terminals.
- Block-oriented_terminal wikiPageWikiLink Category:History_of_human–computer_interaction.
- Block-oriented_terminal wikiPageWikiLink Character-oriented_terminal.
- Block-oriented_terminal wikiPageWikiLink Command-line_interface.
- Block-oriented_terminal wikiPageWikiLink Computer_terminal.
- Block-oriented_terminal wikiPageWikiLink Database.
- Block-oriented_terminal wikiPageWikiLink Digital_Equipment_Corporation.
- Block-oriented_terminal wikiPageWikiLink Echo_(computing).
- Block-oriented_terminal wikiPageWikiLink HP_2640.
- Block-oriented_terminal wikiPageWikiLink Hewlett-Packard.
- Block-oriented_terminal wikiPageWikiLink Honeywell.
- Block-oriented_terminal wikiPageWikiLink Host_(network).
- Block-oriented_terminal wikiPageWikiLink IBM_2260.
- Block-oriented_terminal wikiPageWikiLink IBM_3270.
- Block-oriented_terminal wikiPageWikiLink IBM_5250.
- Block-oriented_terminal wikiPageWikiLink ITT_Corporation.
- Block-oriented_terminal wikiPageWikiLink Lear_Siegler.
- Block-oriented_terminal wikiPageWikiLink Load_(computing).
- Block-oriented_terminal wikiPageWikiLink Mainframe_computer.
- Block-oriented_terminal wikiPageWikiLink Panel_(computer_software).
- Block-oriented_terminal wikiPageWikiLink Tandem_Computers.
- Block-oriented_terminal wikiPageWikiLink TeleVideo.
- Block-oriented_terminal wikiPageWikiLink Teletype_Corporation.
- Block-oriented_terminal wikiPageWikiLink Text-based_user_interface.
- Block-oriented_terminal wikiPageWikiLink UNIVAC.
- Block-oriented_terminal wikiPageWikiLink Uniscope.
- Block-oriented_terminal wikiPageWikiLink VT52.
- Block-oriented_terminal wikiPageWikiLink File:IBM-3279.jpg.
- Block-oriented_terminal wikiPageWikiLinkText "Block-oriented terminal".
- Block-oriented_terminal wikiPageWikiLinkText "VDU".
- Block-oriented_terminal wikiPageWikiLinkText "block mode".
- Block-oriented_terminal wikiPageWikiLinkText "block oriented".
- Block-oriented_terminal wikiPageWikiLinkText "block-mode terminals".
- Block-oriented_terminal wikiPageWikiLinkText "block-oriented terminal".
- Block-oriented_terminal wikiPageWikiLinkText "smart terminal".
- Block-oriented_terminal wikiPageUsesTemplate Template:Commons_category.
- Block-oriented_terminal wikiPageUsesTemplate Template:Refimprove.
- Block-oriented_terminal wikiPageUsesTemplate Template:Reflist.
- Block-oriented_terminal subject Category:Block-oriented_terminal.
- Block-oriented_terminal subject Category:Computer_terminals.
- Block-oriented_terminal subject Category:History_of_human–computer_interaction.
- Block-oriented_terminal hypernym Terminal.
- Block-oriented_terminal type Station.
- Block-oriented_terminal type Interface.
- Block-oriented_terminal type Concept.
- Block-oriented_terminal comment "A block-oriented terminal or block mode terminal is a type of computer terminal that communicates with its host in blocks of data, as opposed to a character-oriented terminal that communicates with its host one character at a time.".
- Block-oriented_terminal label "Block-oriented terminal".
- Block-oriented_terminal sameAs Q4927118.
- Block-oriented_terminal sameAs m.07s3kgk.
- Block-oriented_terminal sameAs Q4927118.
- Block-oriented_terminal wasDerivedFrom Block-oriented_terminal?oldid=688585081.
- Block-oriented_terminal depiction IBM-3279.jpg.
- Block-oriented_terminal isPrimaryTopicOf Block-oriented_terminal.