STUPIDSID
Answer any one question from Q1 and Q2
1 (a)
List and explain any three assembler directives used in 80386 programming.
6 M
1 (b)
Explain pipelined bus cycles for READ operation with neat diagram.
6 M
2 (a)
With respect to following points explain ? Assembler, Linker and Debugger- 1) Function 2) Input and Output 3) Command
6 M
2 (b)
Explain the significance of the following signals of the 80386.
i) BE0# - BE3#
ii) PREQ
iii) NA#
i) BE0# - BE3#
ii) PREQ
iii) NA#
6 M
Answer any one question from Q3 and Q4
3 (a)
What is TLB? With diagram explain role of TLB of 80386.
6 M
3 (b)
How is I/O level protection achieved? Explain I/O permission bit map.
6 M
4 (a)
What do you mean by dual core processor? List down the features of dual core processor.
6 M
4 (b)
Explain how interrupts are handled in protected mode of 80386.
6 M
Answer any one question from Q5 and Q6
5 (a)
Identify and justify addressing mode of the following 8051 instructions:
i. MOVX A, @DPTR
ii. MOVC A, @A + PC
iii. MOV DPTR, #2550H
i. MOVX A, @DPTR
ii. MOVC A, @A + PC
iii. MOV DPTR, #2550H
6 M
5 (b)
How many Register Banks does 8051 have? Explain with the help of diagram. How to change the current working register bank?
7 M
6 (a)
Explain the following instructions in 8051:
(i) MOV A, Rn
(ii) DIV AB
(iii) SWAP A
(i) MOV A, Rn
(ii) DIV AB
(iii) SWAP A
6 M
6 (b)
Draw and explain Architecture of 8051 Microcontroller.
7 M
Answer any one question from Q7 and Q8
7 (a)
List operating modes of Timer of 8051 and explain any two of them.
7 M
7 (b)
Explain the different types of interrupt in 8051.
6 M
8 (a)
For serial communication, what are the SFR's used in 8051? Explain in detail with its structure.
7 M
8 (b)
Explain IE and IP SFR?s of 8051 Microcontroller.
6 M
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