Osmania University (OU) 2007 M.Sc Computer Science Microprocessors and Microcontrollers - Question Paper

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

`````````````````````````````````````````````
Paper -- 1.3 (Microprocessors and Microcontrollers)
`````````````````````````````````````````````


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

part -- B (Marks : four X 12 = 48)
*************************************

9. (a) explain various kinds of Counters and discuss Binary Counter, with neat diagram, waveforms and truth table.

(OR)

(b) Mention various kinds of D/A converters and discuss R-2R ladder D/A converter, with neat circuit diagram.

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

(OR)

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

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

(OR)

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

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

(OR)

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

Earning:   Approval pending.