General Purpose Registers
Registers B, C ,D, E H , and L are 8 bit general purpose registers. These registers store 8 bit data temporarily for processing.
Some time it required to store 16 bit data. In 8085 microprocessor BC, DE, and HL are used as register pairs to store 16 bit data.
Hence there are 6 general purpose 8 bit registers and they can be 3 pairs as 16 bits registers.