12-bit
In computer architecture, 12-bit integers, memory addresses, or other data units are those that are at most 12 bits (1.5 octets) wide. Also, 12-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size.
Possibly the best-known 12-bit CPU is the PDP-8 and its relatives, such as Intersil 6100 microprocessor produced in various incarnations from August 1963 to mid-1990. Many analog to digital converters (ADCs) have a 12-bit resolution. Some PIC microcontrollers use a 12-bit word size.
12 binary digits, or 3 nibbles (a 'tribble'), have 4096 (10000 octal, 1000 hexadecimal) distinct combinations. Hence, a microprocessor with 12-bit memory addresses can directly access 4096 words (4 Kw) of word-addressable memory. At a time when six-bit character codes were common a 12-bit word, which could hold two characters, was a convenient size.
List of 12-bit computer systems
Bit
A bit, also known as a Shannon, is the basic unit of information in computing and digital communications. A bit can have only one of two values, and may therefore be physically implemented with a two-state device. These values are most commonly represented as either a 0or1. The term bit is a portmanteau of binary digit.
The two values can also be interpreted as logical values (true/false, yes/no), algebraic signs (+/−), activation states (on/off), or any other two-valued attribute. 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. The length of a binary number may be referred to as its bit-length.
In information theory, one bit is typically defined as the uncertainty 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.
In quantum computing, a quantum bit or qubit is a quantum system that can exist in superposition of two classical (i.e., non-quantum) bit values.
Bit (disambiguation)
A bit is a unit of information storage on a computer.
Bit or BIT may also refer to:
Tools and engineering
Arts and entertainment
Organisations
Education
Bit (horse)
A bit is a type of horse tack used in equestrian activities, usually made of metal or a synthetic material, and is placed in the mouth of a horse or other equid and assists a rider in communicating with the animal. It rests on the bars of the mouth in an interdental region where there are no teeth. It is held on a horse's head by means of a bridle and has reins attached for use by a rider.
Basic types
Although there are hundreds of design variations, the basic families of bits are defined by the way in which they use or do not use leverage. They include:
- Snaffle bit: Uses a bit ring at the bit mouthpiece to apply direct pressure on the bars, tongue and corner of the mouth.
- Curb bit: A bit that uses a type of lever called a shank that puts pressure not only on the mouth, but also on the poll and chin groove.
- Pelham bit: A single curb bit with two sets of reins attached to rings at the mouthpiece and end of the shank. Partly combines snaffle and curb pressure.
- Kimblewick or Kimberwicke: A hybrid design that uses a slight amount of mild curb leverage on a bit ring by use of set rein placement on the ring.
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by: P.O.D.Push up
Haha, I never knew that a kid like me
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(World)
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Well respected, 'cause that's my word
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(Heard)
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She might have left my hood
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You didn't know, thought we was new on the scene
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I know you know, I see you smilin' at me
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I'm not runnin' off my mouth
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You didn't know, thought we was new on the scene
(Well it's alright, it's alright)
I know you know, I see you smiling at me
(Well it's alright, it's alright)
Boom!
Here comes the
Boom!
Ready or not?
Here comes the boys from the South
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How you like me now?, I say
Boom!
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Is that all you got?, haha
I'll take your best shot
Is that all you got?, ha ha
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Boom!
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Ready or not?
Here comes the boys from the South
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Boom!
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Ready or not?
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