STUPIDSID
1 (a)
Explain rotate instructions of PIC18F microcontroller.
5 M
1 (b)
Explain flag register of 8086 microprocessor.
5 M
1 (c)
Explain MOVLW and COMF instructions in PIC 18.
5 M
1 (d)
Explain the need of handshaking signals used with various modes of 8255PPI.
5 M
2 (a)
Explain working and interface of numeric data processor 8087 with 8086.
10 M
2 (b)
What are the different functional blocks of 8259 Programmable Interrupt Controller? Explain their role in process of interrupt handling.
10 M
3 (a)
Discuss in brief, the memory organization of PIC18F microcontroller. What is the purpose of processor stack?
10 M
3 (b)
Give two examples of each type of addressing modes in 8086 given below:-
(i) Direct addressing.
(ii) Based addressing.
(iii) Implicit addressing.
(iv) Immediate addressing.
(v) Based and Indexed addressing.
(i) Direct addressing.
(ii) Based addressing.
(iii) Implicit addressing.
(iv) Immediate addressing.
(v) Based and Indexed addressing.
10 M
4 (a)
Draw and explain 8086 system operating in maximum mode.
10 M
4 (b)
Write a program to perform 32 bit x 32 bit multiplication.
10 M
5 (a)
Explain different addressing modes of PIC18F.
10 M
5 (b)
Draw timing diagrams for minimum mode of 8086 -
(i) Read bus cycle.
(ii) Write bus cycle.
(i) Read bus cycle.
(ii) Write bus cycle.
10 M
6 (a)
Explain any two applications of timer in PIC18F and write a program to calculate delay of 100?s (Frequency is 40MHz).
10 M
6 (b)
Design 8086 based micro computer system using minimum mode owing specifications -
(i) CPU working at 5MHz.
(ii) 32kb SRAM (16kb x 8 devices)
(iii) 32kb EPROM (8kb x 8 devices)
Draw neat schematic and use exhaustive decoding.
(i) CPU working at 5MHz.
(ii) 32kb SRAM (16kb x 8 devices)
(iii) 32kb EPROM (8kb x 8 devices)
Draw neat schematic and use exhaustive decoding.
10 M
Write Short Notes on:-
7 (a)
PIC 18 Reset.
5 M
7 (b)
Comparative study of salient features of 8086 and Pentium.
5 M
7 (c)
DMA Controller modes.
5 M
7 (d)
Mixed Language programming.
5 M
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