Ta yaya high-level design da low-level design na mafita suka bambanta?

Question

IT Interview Practice · Accepted Answer

**High-level design (HLD)** yana bayyana manyan sassan mafita da yadda suke aiki tare. **Low-level design (LLD)** yana ba da isasshen bayani domin a aiwatar da sassan daidaitacce. Waɗannan kalmomin aiki ne masu amfani; ba wata ƙungiya da ke tilasta samfurin takarda guda ɗaya ga kowa ba.

## Bi shawara ɗaya ta matakan biyu

Ga shafin mayar da kaya, HLD yana gano shafin, sabis ɗin mayar da kaya, tsarin oda da haɗin rumbun ajiya. Yana faɗin tsarin da ke mallakar kowace rikodi da hulɗar da ake yi a asincrone.

LLD yana bayyana hulɗa ta musamman: filayen buƙata, tabbatar da inganci, sauyin yanayi, magance maimaitattun bayanai, ƙuntatawar database da amsoshin kuskure. Injiniya ya kamata ya iya aiwatar da ita, mai gwaji kuma ya san halayen da ake tsammani.

## Riƙe alaƙarsu

- HLD yana taimakawa wajen daidaita ƙungiyoyi da duba architecture.
- LLD yana tallafa wa aiwatarwa da gwaje-gwaje masu zurfi.
- Dukansu suna komawa ga buƙatu, kalmomi da muhimman shawarwari iri ɗaya.

Idan HLD ya yi alƙawarin sake gwadawa cikin aminci amma LLD ba shi da dokar gano maimaitattun bayanai, takardun sun saɓa wa juna. Bi wani takamaiman yanayin gaza ta dukansu domin gano gibin.

## Tarkon hira

Kada a bambanta su da yawan shafuka ko girman zane kawai. Bayyana masu sauraro da shawarwarin da kowane kallo yake ba da dama. Guji kulle duk bayanan aiwatarwa tun da wuri; fara da bayanan masu haɗari, sannan sabunta babban zane idan shaidar aiwatarwa ta canja wani zato.

Bi shawara ɗaya ta matakan biyu

Riƙe alaƙarsu

Tarkon hira

Tambayoyi masu alaƙa