plz solve all of them

1. This program code will be executed continuously: NEXT: MOV A, \#10H JZ NEXT 2. The address space of the 8051 is divided into four distinct areas: internal data, external data, internal code, and external code. 3. Data transfer from I/O to external data memory can only be done with the MOVX command. 4. This statement will clear the memory location with bit address 20H (8051 microcontroller): CLR 20H