5. A label is used to name a single line of code. 6. Device pins XTAL1 and XTAL2 for the 8051 are used for connections to an external oscillator or crystal. 7. To interface external EPROM memory for applications, it is necessary to multiplex the address/data lines of the 8051. 8. The special function registers can be accessed by their hex addresses or their register names. 9. In 8051 C Programming, Data Type sbit is used to declare a bit variable. 10. The address bus width of a 16-bit computer is 16-bit