1. ► Which addresses are for SFRs?

2. ► 8051 has separate bit addressable memory space.

3. ► Which register is used for accessing external data memory?

4. ► Which company introduced 8051?

5. ► Latch in front of ports are redundant.

6. ► 8051 has only 8 bit counter.

7. ► How many register banks are present in 8051?

8. ► TCON register has no role in controlling timers.

9. ► Which register is always updated as part of arithmetic instructions?

10. ► 8051 datapath is

11. ► How many timers are present in 8051?

12. ► Which protocol is used for communication inside vehicles?

13. ► Multiplication takes only one machine cycle.

14. ► 8051 can be considered system-on-chip because it has

15. ► Which ports can also be used to access external memories?

16. ► Typical instruction execution has 6 clock cycles

17. ► One machine cycle is same as one clock cycle.

18. ► 8051 has single memory space for program and data.

19. ► Ports are not involved in external interrupts.

20. ► 8051 can be used for automotive control.