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terminal

A computer terminal is an electronic or electromechanical hardware device that can be used for entering data into, and transcribing data from, a computer or a computing system. The teletype was an example of an early day hardcopy terminal, and predated the use of a computer screen by decades.
Early terminals were inexpensive devices but very slow compared to punched cards or paper tape for input, but as the technology improved and video displays were introduced, terminals pushed these older forms of interaction from the industry. A related development was timesharing systems, which evolved in parallel and made up for any inefficiencies of the user's typing ability with the ability to support multiple users on the same machine, each at their own terminal/terminals.
The function of a terminal is typically confined to transcription and input of data; a device with significant local programmable data processing capability may be called a "smart terminal" or fat client. A terminal that depends on the host computer for its processing power is called a "Dumb terminal" or a thin client. A personal computer can run terminal emulator software that replicates functions of a real-world terminal, sometimes allowing concurrent use of local programs and access to a distant terminal host system, either over a direct serial connection or over a network using, e.g, SSH.

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  1. B

    i gave the boiler 'at risk'

    i went to an old house yesterday to do a landlord certificate, the boiler is an Ideal RS40S in a first floor bedroom cupboard, RS, natural draught, checked everything fine, it is old but still working well, the only thing is the flue terminal, the direct distance between the flue terminal and...
  2. W

    Honeywell Room Thermostat problem

    I have a basic Honeywell Room thermo (turn clockwise to increase temperatue). Fitted by people who installed conventional worcester greenstar last year. Very inaccurate. If you put it at 14c it will come on even when the temp in house is 22c ! Opened it up and presently there is BLUE wire to...
  3. D

    terminals

    i was at my mates and he lives in a social housing block,anyways he'd just had his gas fire done (dfe),cp 12. and he got a copy and i had a look,the engineer had put n.c.s. regarding terminal/chimney stack, to me it was a normal stack with an aliminum ?terminal,the kind you can join to a...
  4. D

    Flue termination

    Flue terminating into internal space Just need to pick your brains for a moment guys/girls. Now this flue (For an Ideal Iasr 24 HE) Terminates into an internal space (some sort of out-building/Lean-to), So we've ID the boiler. Now we're a bit stumped about how to re-run the flue so that it...
  5. R

    worcester greenstar Ri 18. problem

    Hi guys hoping you might have some advice on the above boiler. Went to look at this earlier, the blue power light is not on, no flashing lights all is dead. Got 240v at main power going in, and have 240v at pump over run terminal when i switch programmer on, but boiler is dead. Any...
  6. S

    Boiler flue terminal to front of house????

    Hi, New member - in fact have joined specifically to ask this question! Is anyone aware of any regulation (planning, Building control or anything else) that says you cannot have a boiler flue exiting to the front of a house? Planning on installing a new boiler and moving it from where the...
  7. M

    Central heating pump amd 3 way motorised valve problem

    I'm hoping there will be someone here who can help me with 2 problems i have. The first problem is that my central heating and domestic hot water system are approx 30 years old. I had until recently an SMC controller pump which acted in 2 ways - it allowed water to run straight thorugh (when...
    • Marmite
    • Thread
    • central central heating heating motorised motorised valve problem pump terminal valve water
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  8. D

    sooting in builders opening terminal

    what causes excessive sooting enough to block openings in terminal ,this was on a gas fire it passed a spillage test but smoke entered the room on flue flow,this was a class 1 chimney with a liner.
  9. J

    Honeywell Sundial "W" plan wiring query

    Hi, and a happy new year to everyone. I'm following the W plan wiring diagram, with pump over-run, but there appears to be a problem at No 5 terminal on the terminal block. The live comes in from the cylinder stat, but there is no other connection to the terminal shown. Is this correct?
  10. M

    Boiler plume help needed......

    Hi all, I am in urgent need of some good advice please :confused: I have recently had a plumber install a full oil fired heating system in my Mother In Laws house, which works great:D Before the plumber designed the system, as we had 2 options, I approached the neighbour and asked if he...
  11. K

    date change for OF terminal clearance to roofs

    Right, ladies and gentlemen, obviously I know the answer to this and i just want to give you the chance to prove how clever you are ;):o its only for the oldies, remember when we used to determine OF flue height through roof by the angle of the roof? ie less than 45 degrees you had 600mm pipe...
  12. B

    Missing part of flue terminal

    Hi, I don't want to submit a duplicate post but I would greatly appreciate if a Gas Safety registered plumber could review my post here about a missing flue terminal on a new boiler. http://www.ukplumbersforums.co.uk/central-heating-forum/12188-missing-flue-terminal.html#post76468 I do...
    • Bluey
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    • assistance boiler central central heating system flue gas gas safe missing parts plumber safe safety terminal work
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  13. B

    Missing Flue terminal?

    A home buyers survey has indicated that my new Worcester Bosch Greenstar 30Si boiler has part of the flue terminal missing. No changes have been made to the system since it was installed less than a year ago by a Gas Safety registered engineer who issued a gas safety certificate for it then...
    • Bluey
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    • Replies: 32
    • Forum: Plumbing Jobs | The Job-board
  14. P

    vent terminal height

    what height does the vent terminal have to be above the highest connection. ie, im bringing the soil pipe out of the wall to marry up with the rest of the soil pipework and planning on running the stack up the wall a further 1.0m and terminate. there are no windows etc within a meter of where...
    • pauls
    • Thread
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    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  15. S

    Advice on distance between flue terminal and vent please!

    I have a WORC BOSCH fanned flue boiler terminating horizontally on my gable end of the house. I am wanting to put an extract fan from the shower in the bathroom, the distance vertically from flue terminal to extract terminal is 1100mm horizontally it is 900 mm. I have read that it needs to be...
    • skel75
    • Thread
    • advice air bathroom between boiler bosch distance flue hose please shower terminal vent
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
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