Kayanan fasaha yana dogara ne akan manufar bit
Lambar binary, ko bit, shine mafi asali kuma mafi ƙanƙanci naúrar bayanai a cikin lissafi. A bit wakiltar daya daga cikin biyu binary dabi'u, ko dai a "0" ko "1." Wadannan dabi'un zasu iya wakiltar dabi'u mai kyau kamar "a" ko "kashe" da "gaskiya" ko "ƙarya". Ƙungiyar ta bit za a iya wakilta ta ƙananan b .
Bits a Networking
A cikin sadarwar , ana yin amfani da sakonni ta hanyar amfani da sigina na lantarki da kuma hasken wuta da aka canjawa ta hanyar hanyar sadarwa na kwamfuta. Wasu ladaran sadarwa suna aikawa da karɓar bayanai a cikin nau'i na bit. Wadannan ana kiransu ladabi da aka tsara ta bit. Misalan ladabi na ka'idojin bit sun haɗa da yarjejeniyar zance-to-batu.
Sau da yawa ana yawan saurin haɗin sadarwar a cikin bits-per-second, Alal misali, 100 megabits = biliyan 100 na biyu, wanda za'a iya bayyana a matsayin Mbps 100.
Bits da Bytes
An tsara byte ta takwas a cikin jerin. Kila ku san da wani byte a matsayin ma'auni na girman fayil ko adadin RAM a cikin kwamfuta. A byte zai iya wakiltar wasiƙa, lamba ko alama, ko wasu bayanan da kwamfuta ko shirin zai iya amfani da su.
Bytes suna wakiltar wani babba B.
Amfani da Bits
Kodayake ana rubuta su a wasu nau'i-nau'i na nakasassin ko byte, adiresoshin sadarwar kamar adiresoshin IP da adiresoshin MAC suna wakilci a matsayin raguwa a sadarwa.
Girman launi a cikin nuna alamun nunawa sau da yawa ana aunawa a cikin sharuddan raguwa. Alal misali, hotunan monochrome sune hotuna guda guda, yayin da hotuna 8-takwas zasu iya wakiltar launuka 256 ko gradients a cikin digiri. Gaskiya launi graphics an gabatar a cikin 24-bit, 32-bit, da kuma mafi girma graphics.
Lambobin lambobi masu mahimmanci da ake kira "maɓallan" ana amfani da su don ɓoye bayanai a kan cibiyoyin kwamfuta. Tsawon waɗannan maɓallan suna nunawa dangane da adadin raguwar. Mafi girma yawan raguwa, mafi mahimmancin wannan mabuɗin yana cikin kare bayanai. A cikin mara waya na cibiyar sadarwar, alal misali, maballin WEP 40-nau'i sun kasance marasa aminci, amma ɗakin mažallan WEP 128-bit ko mafi girma a yau sunfi tasiri.