In 8085 which is/are the 16 bit registers?

To display the contents of 100 bytes starting at physical address 00000 using the debug:

The operating system (DOS / Windows) generally loaded (system boot) from:

What is the value of AX register after executing, MOV AX,456h, CMP AX,456h?

What is the representation of the (decimal) number –1 in 4 bit 1’s complement format?

The address bus is unidirectional and address always travels from processor to memory