128-bit: Perbezaan antara semakan

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* 128 bit ialah [[saiz kekunci]] untuk [[sifer simetri]] dalam bidang [[kriptografi]]. Ia juga merupakan saiz untuk alamat [[Pengecam Unik Sejagat]] dan [[IPv6]].
* Pemproses 128-bit akan menjadi lebih lazim apabila ingatan boleh alamat 16 [[eksbibait]] tidak lagi mencukupi kerana ia memungkinkan pengalamatan ingatan sebanyak 340,282,366,920,938,463,463,374,607,431,768,211,456 bait (340.3 ~ undesilion bait atau 281,474,976,710,656 [[yobibait]]). Namun demikian, had fizikal untuk ingatan sebesar ini kini tidak dapat dicapai berdasarkan pencapaian teknologi semasa, dengan jumlah itu jauh melebihi jumlah data yang kini disimpan di Bumi.
* Nombor [[titik apung]] [[kepersisan kuadrupel]] (128-bit) dapat menyimpan nombor [[Aritmetik titik tetap|titik tetap]] [[Kata (pengkomputan)#Dkata dan Qkata|qkata]] ([[64-bit]]) atau [[integer (sains komputer)|integer]] dengan tepat tanpa kehilangan [[Ketepatan dan kepersisan|kepersisan]]. Perhatikanlah bahawa sejak pemproses 8087 ([[1980]]), seni bina x86 telah mula menyokong titik apung 80-bit yang menyimpan dan memproses integer [[64-bit]] dengan lebih tepat.
* Banyak [[Kad video|kad grafik]] moden (pada [[2007]]) mempunyai [[Bas (pengkomputan)|bas data]] 128-bit atau 256-bit ke ingatan.
 
 
*[[Quadruple precision]] (128-bit) [[floating point]] number can store [[Word (computing)#Dword and Qword|qword]] (64-bit) [[fixed-point arithmetic|fixed point]] number or [[integer (computer science)|integer]] accurately without losing [[accuracy and precision|precision]]. Notice that since the 8087 (1980), x86 architecture supports 80bits float-points that store and process accurately 64bits integers
*Many modern graphics cards (pada 2007) have a 128-bit or 256-bit data bus to memory.
* [[Sony]]'s [[Playstation 2]] CPU [[Emotion Engine]] is advertised as a 128 bit processor. It has 128-bit SIMD registers, like many processors, but is only a 64-bit processor in the traditional sense as it can only use 64-bit memory addresses.
* The [[AS/400]] virtual instruction set defines all pointers as 128-bit. This gets translated to the hardware's real instruction set as required, allowing the underlying hardware to change without needing to recompile the software. Past hardware was 32-bit CISC, while current hardware is 64-bit PowerPC. Because pointers are defined to be 128-bit, future hardware may be 128-bit without software incompatibility.