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bits

The bit is the most basic unit of information in computing and digital communications. The name is a contraction of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented as either "1" or "0", but other representations such as true/false, yes/no, +/−, or on/off are commonly used.
The correspondence between these values and the physical states of the underlying storage or device is a matter of convention, and different assignments may be used even within the same device or program. It may be physically implemented with a two-state device.
The symbol for the binary digit is either 'bit' per recommendation by the IEC 80000-13:2008 standard, or the lowercase character 'b', as recommended by the IEEE 1541-2002 standard.
A contiguous group of binary digits is commonly called a bit string, a bit vector, or a single-dimensional (or multi-dimensional) bit array.
A group of eight binary digits is called one byte, but historically the size of the byte is not strictly defined. Frequently, half, full, double and quadruple words consist of a number of bytes which is a low power of two.
In information theory, one bit is the information entropy of a binary random variable that is 0 or 1 with equal probability, or the information that is gained when the value of such a variable becomes known. As a unit of information, the bit is also known as a shannon, named after Claude E. Shannon.

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  1. M

    Missing bits for my wall hung toilet

    My plumber says I’m missing the bits that go into the back of the toilet (two small holes either side) he’s only fitted side fixing ones before he’s says. Anyone know what they are called. Unfortunately I bought from Victoria plum and they are no use
  2. NickA

    Close coupled cistern - bits of debris

    I am about to re-unite a cistern with the pan and notice it has a few smallish (pin head size) bits of clay around the whole where the donut will go. They appear to be bits of clay fired on to the cistern. simple question - should I sand them off? I have a new donut that’s identical to the old...
  3. D

    How To Stop Hot Water Tap Black Bits Debris?

    Hello to All, How To Stop The Black Bits Coming From The Baths Hot Tap? Just recently it has been noticed that there have been some ‘Black Bits’ coming from the just the Baths Hot Tap. This is not noticed when using the Cold Tap or any of the other Taps that are Mixer Taps. The Hot Water Tap...
  4. P

    Metal bits in Bathroom Basin

    Hi lads, my bathroom refit was finished about 4 months ago, strangely only just noticed as plug rarely in, this fine -- i think metal bits -- in the cold water. No Tanks unvented system. Took filter off basin mixer tap a Deva and sure enough quite a bit of this stuff on it. Black in appearance...
  5. G

    Unwanted plumbing bits and pieces

    Hi, Last year we lost my Dad to cancer year, who was a plumber for 30+ years. Over the years he built up quite a collection of tools and plumbing equipment, literally filling up two brick-built sheds. But now my Mum wants to move and we need to empty the sheds. We're not plumbers so we don't...
  6. T

    Scale inhibitor furry bits

    Hello lovely plumbers, I'm moved in to a flat and the boiler has a scale inhibitor attached. However, around the ends of the inhibitor are some weird, what I can only describe as, spiky spores. Don't think mould as nowhere else so can can only think the inhibitor is leaking or something or...
  7. A

    Drill bits for tiles recommendations?

    Hi everyone, What decent drill bits can anyone recommend for going through tiles? If there's any sets with hole cutters in that would be even better. Thanks.
  8. M

    Tile drill bit recommendations

    What drill bits do you guys use for drilling thick porcelain tiles? Got 4 bathrooms to second fix with 10mm thick tough porcelain tiles. I’ve tried loads of different bits over the years and just don’t find they last very long.
  9. D

    Purley (CR8) Exposed Shower Valve and other bits and bobs

    Good Afternoon I have a faulty Triton Petita. This is two years after visit by a Triton bod! I want to replace it with a Mira Element EV which I have. The supplies to the shower are not balanced as the cold is teed off before the PRV. Check valves need fitting to kitchen mixer as cold water...
  10. J

    Are all the bits on this tap?

    Hi all, Just checking my customer isn't missing anything on his tap. It has a metal base, and a moving spout/middle section on top of the base. He is worried that metal shouldn't be sliding across metal. He has the installation instructions - which aren't that clear. Personally I think it's OK...
  11. J

    Black bits that smear in hot water

    Hi guys, We've got a combi boiler system that was last serviced 2 years ago. For the last year or so we've been getting black specks coming through in the hot water when we run the bath. We haven't noticed them in any cold water outlet or hot water in any sinks. At first we thought the issue...
  12. M

    Buy or scrap pipe bits and pieces

    any buyers for these Pipe bits or shall i just scrap the whole lot Clearing the garage, bought from a liquidated hire shop Call or txt if interested 07522964554
  13. M

    Thread dies??? For sale and other bits

    got lots of plumbing and pipe fitting material Ridgid, rothenberger, and others Will sell cheap, Garage full of spares for power tools and machinery Need it cleared Help Give us a txt or call for pics 07522964554
  14. wildcard

    Vaillant & worcester bits for sale

    Vaillant pump brand new £60 posted or £50 pickup. Worcester flue bits brand new £80 pick up only.
  15. Scott_D

    Wood bits for drilling joists?

    Whats best for drilling joists? Realised today all my bits are blunt, old and useless. Need to upgrade
  16. G

    Black oily bits

    Afternoon all. We are getting black oily bits coming from the hot water only in the bath. We have only plastic pipes. Boiler has been checked out and is all ok and in good working order. Can anyone help to get to the bottom with it. My wife is due to give birth in 8 weeks and she can't rest...
  17. R

    Baxi/potterton multi fit flue bits

    Evening all. Anyone local to me fitting many baxi or potterton? I've got flue bits galore. Standard flues, plume kits, flue bends, extensions, stand off kits. i'll swap the lot for a couple of good bottles of red vino. first come first served and collection only!
  18. L

    Green/blue bits in water

    Hi, As part of a house renovation I had a new system boiler and indirect unvented hot water cylinder installed. In the two bathrooms I've noticed blue/green powdery residual on the shower tray and in the bath. I ran the water in the shower and there are blue/green bits in the water. When they...
  19. R

    Undermounted sink, what bits and bobs needed ?

    Hi am going to cut a long story short, £250 for a plumber with 2 days of him trying to install a kitchen sink with no success he abandoned the job and left ! Would love to discuss the ups n downs, but got a family currently washing plates in the basin. So I have decided to try it myself, am...
  20. D

    Drill bits for tiles

    Which ones do you use and how much? Just been looking at the 365 stuff which looks good but doesn't seem to give you many holes on porcelain tiles.
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