STUPIDSID
1(a)
Write features of pentium microprocessor.
4 M
1(b)
Differentiate between I/O mapped I/O and Memory Mapped I/O of 8086.
4 M
1(c)
Describe in brief architecture of 8085 microprocessor.
4 M
1(d)
Sketch read and write bus cycle of 8086 with example.
4 M
1(e)
Explain in brief about programmable interval timer 8254.
4 M
2(a)
Describe the various addressing modes supported by 8086 with examples.
10 M
2(b)
Explain with suitable examples the following instructions of 8086.
i) MOVSB ii) LEA iii) CLC iv) CBW
i) MOVSB ii) LEA iii) CLC iv) CBW
10 M
3(a)
Write an assembly language program of 8086 to add two 32 bit numbers and also draw Flowchart.
10 M
3(b)
Discuss the functions of general purpose registers of 8086. Explain the function of each register and instruction support for these functions.
10 M
4(a)
Describe the function of following pins in 8086 Microprocessor in maximum mode of operations.
1) TEST 2) RQ/GTO 3) RQ/GTI 4) QS0 and QS 1 5) S0, S1, S2
1) TEST 2) RQ/GTO 3) RQ/GTI 4) QS0 and QS 1 5) S0, S1, S2
10 M
4(b)
Explain pin diagram of ADC 0808/0809 and method of interfacing to 8086 microprocessors with suitable example.
10 M
5
Design 8086 microprocessor based system using minimum mode with the following specifications.
(i) 8086 microprocessor working at 10 Mhz
(ii) 128Kb EPROM using 32 k Devices.
(iii) 64 Kb SRAM using 16 k devices.
Clearly show memory map with address range. Draw the neat schematic.
(i) 8086 microprocessor working at 10 Mhz
(ii) 128Kb EPROM using 32 k Devices.
(iii) 64 Kb SRAM using 16 k devices.
Clearly show memory map with address range. Draw the neat schematic.
20 M
6(a)
Explain 8086 interrupt structure and its method of interfacing with 8086 microprocessor with a suitable example. (any one interrupt)
10 M
6(b)
Describe in brief and compare architecture of 80286 and 80486 microprocessor.
10 M
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