mca imp questions

1.exlain the details of different kinds of memories given in 8051 microcontroller?

2.give any four examples for program control flow instruction and explain?

3.describe with examples various modes of the 8051 timers?

4.draw the block diagram of 8051 and explain each block?

5.bring out the functional differences between microprocessors and microcontroller by drawing their basic block diagrams?

6.what are the SFR address?

7.(A)list out the interrupt system specifications?

    (b)write a brief about multiple interrupt sources?

8.discuss hardware and software attributes of vectored interrupts?

9.(A) discuss about interrupt vector table?

   (B)how do you enable and disable 8051 interrupts?

10.(a)create a square wave of 60% duty cycle on bit 3 of port1?

     (b)write short notes on bit addressability in 8051 microcontroller?

11.give flag settings of the following instructions.

(a)ADDC

(B)RRC

(C)SETBC

(D)POP

(E)XCH

(F)CLR

(G)ORL

(H)ANL