Explain about HLD and LLD ?

Answer Posted / sukumar

HLD : High Level Design
LLD : Low Level Design

HLD: It gives the ovreall designing designing to be done to complete a product. It is moreover block digramatic description of a complete design.

LLD: It reveals the complete details to be complted to get the product finished. It gives the designing of inside modules of blocks specified in HLD.

For example, HLD is just representing a computer by different blocks like CPU, I/O devices, Memory etc. Where as LLD with respect to this example is detailed description of all the blocks of HLD like CPU, I/O devices, Memory etc.

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