13
14
16
17
64 x 64
16 x 16
32 x 16
256 x I
1020
1900
1000
2000
ROM is a Read / Write memory
PC points to the last instruction that was executed
Stack works on the principle of LIFO
All of above
As soon as the TRAP pin becomes ′LOW ′
By checking the TRAP pin for ′high ′ status at the end of each instruction fetch
By checking the TRAP pin for ′high ′ status at the end of the execution of each instruction
By Checking the TRAP pin for ′high ′ status at regular intervals