M.Sc I-Semester Examination Nov./Dec 2007, Microprocessors and Microcontrollers

Faculty of Science
M.Sc I-Semester Examination Nov 2007
COMPUTER SCIENCE

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Paper -- 1.3 (Microprocessors and Microcontrollers)
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SECTION -- A (Marks : 8 X 4 = 32)
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1. Convert the Binary number 1011.011 to Decimal number.
2. Draw the Block diagram of UPS and explain.
3. Draw Program Status Word(PSW) of 8085 and explain.
4. Discuss Arithmetic instructions of 8085, with simple examples.
5. Explain Assembler Directives and the importance.
6. Discuss the Interrupts of 8086.
7. Discuss the Cache Controllers.
8. Explain Internal RAM Organization of 8051.

SECTION -- B (Marks : 4 X 12 = 48)
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9. (a) Discuss different types of Counters and explain Binary Counter, with neat diagram, waveforms and truth table.

(OR)

(b) Mention different types of D/A converters and explain R-2R ladder D/A converter, with neat circuit diagram.

10. (a) Mention different groups of instruction set of 8085 and explain Data Transfer group of instructions with suitable examples.

(OR)

(b) Draw the block diagram of Intel 8085 microprocessor and explain the important blocks.

11. (a) Draw the block diagram of 8255 Programmable Peripheral Interface (PPI), and explain the important blocks.

(OR)

(b) Mention different groups of instruction set of 8086 and explain Data transfer group of instructions with suitable examples.

12. (a) Mention different groups of instruction set of 8051 and explain Arithmetic group of instructions with suitable examples.

(OR)

(b) Draw the block diagram of 8051 microcontroller and explain the important blocks.