Computer memory, device that's wont to store knowledge or programs (sequences of instructions) on a short lived or permanent basis to be used in AN electronic information processing system. Computers represent info in computer code, written as sequences of 0s and 1s. every figure (or "bit") is also hold on by any physical system that may be in either of 2 stable states, to represent zero and one. Such a system is termed bistable. this might be AN electric switch, AN electrical electrical device that may store or lose a charge, a magnet with its polarity up or down, or a surface that may have a pit or not. Computer memory is split into main (or primary) memory and auxiliary (or secondary) memory. Main memory holds directions and information once a program is corporal punishment, whereas auxiliary memory holds information and programs not presently in use and provides long storage.
The bit may be a basic unit of data in scientific theory, computing, and digital communications. The name may be a portmanteau
In scientific theory, one bit is often outlined because the info entropy of a binary variate that's zero or one with equal chance,
or the knowledge that's gained once the worth of such a variable becomes illustrious. As a unit of data, the bit has
conjointly been known as a Shannon, named when engineer.
As a digit, the bit represents a logical worth, having just one of 2 values. it should be physically enforced with a two-state device. These state values ar most ordinarily portrayed as either 0 or 1, however alternative representations like true/false, yes/no, +/-, or on/off ar attainable. The correspondence between these values and also the physical states of the underlying storage or device may be a matter of convention, and completely different assignments could also be used even at intervals constant device or program.
The computer memory unit could be a unit of digital info that almost all unremarkably consists of eight bits, representing a binary
variety. traditionally, the computer memory unit was the quantity of bits accustomed inscribe one character of text in an exceedingly
laptop and for this reason it's the tiniest available unit of memory in several computer architectures.
The size of the computer memory unit has traditionally been hardware dependent and no definitive standards existed that mandated the
scale - byte-sizes from 1 to forty eight bits square measure legendary to own been utilized in the past. Early character
encryption systems usually used six bits, and machines mistreatment six-bit and nine-bit bytes were common into the 1960 s. These
machines most typically had memory words of twelve, 24, 36, forty eight or sixty bits, resembling 2, four, six, eight or ten six-bit
bytes. during this era, bytes within the instruction stream were usually noted as syllables, before the term computer memory unit
1 Byte = 8 Bit
The kibibyte could be a multiple of the unit computer memory unit for quantities of digital data. The binary prefix kibi means
that 210, or 1024; so, one kibibyte is 1024 bytes. The unit image for the kibibyte is KiB.
The unit was established by the International Electrotechnical Commission (IEC) in 1998, has been accepted to be used by all
major standards organizations, and is a component of the International System of Units of Quantities. The kibibyte was designed
to exchange the K in those computing contexts during which the term K is employed to mean 1024 bytes.
1 Kibibyte = 1024 Byte
The binary prefix Mebi is equal to 220 so that one Mebibyte is equal to 1048576bytes = 1024 kibibytes.
The unit image for the mebibyte is MiB.
The unit was established by the International Electrotechnical Commission (IEC) in 1998. It absolutely was designed to
interchange the MB once utilized in the binary sense to mean 220 bytes, that conflicts with the definition of the prefix mega
within the metric system of Units (SI) as a number of 106.
The binary prefixes are accepted by all major standards organizations and square measure a part of the metric system of
Quantities. Several Linux distributions use the unit, however it's not wide acknowledged inside the trade or media.
1 Mebibyte(Mb) = 1024 Kibibyte(Kb)
The gibibyte could be a multiple of the unit computer memory unit for digital data. The binary prefix gibi suggests that 230, so
one gibibyte is adequate 1073741824bytes = 1024 mebibytes. The unit image for the gibibyte is tomcat. it's one among the units
with binary prefixes outlined by the International Electrotechnical Commission (IEC) in 1998.
The gibibyte is closely associated with the G (GB), that is outlined by the IEC as 109 bytes = 1000000000bytes, 1GiB = 1.074GB.
1024 gibibytes ar adequate one tebibyte. within the context of memory board, G and GB ar usually wont to mean 10243 (230) bytes,
though not within the context of information transmission and not essentially for disk drive size.
1 Gibibyte = 1024 Mebibyte(Gb)