Kwamfutocin, Bayanai fasahar
Tsarinsa na rubutu bayanai a cikin kwamfuta
Kwamfuta - wani nagartaccen na'urar da wanda ka iya haifar da, maida, da kuma adana bayanai. Duk da haka, da kwamfuta ba ya aiki sosai m hanya a gare mu - hoto, rubutu da kuma Tazarar data aka adana kamar binary iri-iri
Me domin mu ne rubutu na kwamfuta - a jerin haruffa. Kowane alama ce wakiltar wani sa na zeros da su. A karkashin alamomin nufi ba kawai manya da žananan haruffa na Latin haruffa, amma kuma da alamun rubutu, ilmin lissafi da ãyõyinMu, musamman haruffa, musamman alamomin da ko da sarari.
Binary tsarinsa na matani bayanai
Ta latsa wani key a ciki mai kula aika wani sakonni cewa yana tuba zuwa binary code. Code aka dace da wasu alama ce, da abin da aka nuna a allon. Domin biyayya ga da Latin haruffa a digital format ascii coding kasa da kasa tsarin da aka halicce su. Yana bukatar 1 byte for rikodi daya alama haka kunshi takwas alama jerin zeros da su. Rikodi tazara - daga 00000000 zuwa 11111111, watau coding na rubutu bayanai ta amfani da wannan tsarin yale mu mu wakiltar 256 characters. A mafi yawan lokuta, wannan shi ne isa.
Ascii ne zuwa kashi biyu sassa. A farko 127 characters (daga 00000000 zuwa 01111111) ne na kasa da kasa da kuma masu takamaiman alamomin da haruffa na Turanci haruffa. A kashi na biyu - da tsawo (daga 10000000 zuwa 11111111) - ne aka yi nufi ga wakiltar kasar haruffa, da rubuce-rubuce na da yake daban-daban daga Latin.
Tsarinsa rubutu bayanai a ascii aka gina a kan manufa na kara jerin, watau, da ya fi girma da jerin yawan haruffa, da girma da darajar da ascii-code. Figures da Rasha ɓangare na tebur da ake gina a kan wannan manufa.
Duk da haka, a duniya akwai da dama iri rufewar QFontDatabase haruffa. Mafi na kowa - ne koi-8 (takwas-bit tsarinsa da cewa an yi amfani a cikin 70s a farko ruifitsirovannyh Unix tsarin aiki), ISO 8859-5 (ci gaba da International Standardization Ofishin), da CP 1251 (coding matani bayanai amfani a cikin
Saboda haka, coding da kuma aiki na matani bayanai a cikin kwamfuta ta hanjinsu - aiwatar da wuya da kuma lokaci-cinyewa shirya. Duk alamomin da wani haruffa ne kawai a wasu jerin lambobi na binary tsarin, daya cell - wannan shi ne daya byte na bayanai.
Similar articles
Trending Now