List out the five categories of the 8085 instructions. Give examples of the instructions for each group.
1. Data transfer group - MOV, MVI, LXI.
2. Arithmetic group - ADD, SUB, INR.
3. Logical group -ANA, XRA, CMP.
4. Branch group - JMP, JNZ, CALL.
5. Stack I/O and Machine control group - PUSH, POP, IN, HLT.