: Primary 8-bit register for arithmetic and logic operations. Special Purpose Program Counter (PC) Stack Pointer (SP) Flag Register
If you find a PPT claiming to be "by Gaonkar new," check for these bonus slides that likely were added by modern educators updating the original material: microprocessor 8085 ppt by gaonkar new
Microprocessor Architecture, Programming, and Applications with the 8085 Ramesh S. Gaonkar : Primary 8-bit register for arithmetic and logic operations