1. ► How many timers are present in 8051?
2. ► Typical instruction execution has 6 clock cycles
3. ► 8051 has single memory space for program and data.
4. ► Which register is always updated as part of arithmetic instructions?
5. ► 8051 can be considered system-on-chip because it has
6. ► Which protocol is used for communication inside vehicles?
7. ► 8051 can be used for automotive control.
8. ► TCON register has no role in controlling timers.
9. ► 8051 has only 8 bit counter.
10. ► One machine cycle is same as one clock cycle.
11. ► How many register banks are present in 8051?
12. ► Multiplication takes only one machine cycle.
13. ► 8051 datapath is
14. ► Which register is used for accessing external data memory?
15. ► Which addresses are for SFRs?
16. ► Ports are not involved in external interrupts.
17. ► Latch in front of ports are redundant.
18. ► Which ports can also be used to access external memories?
19. ► 8051 has separate bit addressable memory space.
20. ► Which company introduced 8051?
