1. Explain the implementation of switch() case statement using jump tables. 2. The 8051 status register doesn’t contain a zero fl ag. Explain how the 8051 architecture implements the Jump on zero and...

2. The 8051 status register doesn’t contain a zero fl ag. Explain how the 8051 architecture implements the Jump on zero and Jump on non-zero conditions.  3. Explain the difference between LCALL and ACALL for subroutine invocation? Which one is faster in execution and why?  4. Explain the difference between RET and RETI instructions.  5. Explain the different types of jumps supported by 8051 architecture. Which one is faster in execution and why?