MPMC IMPORTANT QUESTIONS FOR ECE

subject: Microprocessors  and Microcontrollers

Name of the Faculty :B.Suresh

Year&Sem: III B.Tech & II sem

Branch : ECE

UNIT-I:8086/8088 Microprocessors

1_Explain the Architecture of 8086/8088 Microprocessor with neat diagram(Pg No: 4,29 ,A.K. Ray)

2_How the Registers are organized in 8086/8088 Microprocessor (Pg No: 2 ,A.K. Ray)

3_Explain the timing Diagrams of 8086 Microprocessor ( in Minimum and Maximum mode) (Pg No:17, 27 ,A.K. Ray)

4_Explain different types of Addressing modes with example(Pg No: 41 ,A.K. Ray)

5_Give the five examples for different types of instruction set of 8086 Microprocessor(verify the Xerox Material)

6_Explain about Assembler Directives of MASM programming tool of 8086 Microprocessor(Pg No: 74 ,A.K. Ray)

7_Explian the pin functionality of 8086 Microprocessor (Pg No: 9 ,A.K. Ray)

8_Expain the Flag Registers of 8086MP (Pg No: 7 ,A.K. Ray)

9_Explain how the memory segmentation  is done  in 8086 MP(Pg No: 6 ,A.K. Ray)

UNIT -III:Basic Peripherals and Their Interfacing with 8086

1_Explian the Architecture of 8255 PPI with neat diagram (Pg no:184, A.K Ray )

2_Explain the Different modes( mode-0,mode-1,mode-2) of operation of 8255 PPI with neat sketches(Verify the Xerox)

3_problems on ROM/RAM interfacing to 8086 Microprocessor (memory mapping) (Verify the Xerox Material)

4_Explain the difference between memory mapping and I/O mapping (Pg no:177, A.K Ray )

5_Explain how the Latches(74LS373)/buffers(74LS245) are interfaced to 8086 Microprocessor(Pg no:173 , A.K Ray )

6_With neat diagram explain the interfacing of stepper motor to the 8086 Microprocessor with Assembly Language Program (verify the material/Notes)

7_Explain the interfacing of DAC to the 8086 Microprocessor using 8255 PPI and write ALP(verify the material/Notes)

8_Explain the interfacing of ADC to the 8086 Microprocessor using 8255 PPI and write ALP(verify the material/Notes)

9_Expalin how the high power devices are interfaced to 8086 MP using 8255PPI(verify the material/Notes)

UNIT-IV UNIT

1_what is DMA ?explain the DMA operation with neat block diagram?

2_explain the 8257DMA architecture with neat block diagram ?

3_explain 8259PIC Architecture with neat block diagram ?

4_explain the architecture of 8251USART with neat diagram ?

UNIT-V: Advanced Microprocessors

For this you refer the  Xerox Material/Notes

1_Ggive the salient feature of 80386 Microprocessor(Pg No: 506 ,A.K. Ray)

2_Give the functional Block Diagram of 80386 MP and Explain each Block

3_Expain the addressing modes of 80386MP with Example(Pg No: 512 ,A.K. Ray)

4_Explain how the registers are organized in 80386MP (Pg No: 510 ,A.K. Ray)

5_Explain the concept of Segmentation and paging (Pg No: 516,518 ,A.K. Ray)

6_Explain Real and Virtual 8086 mode of 80386MP with necessary diagrams(Pg No: 514,521 ,A.K. Ray)

7_what  are the features of 80387 co-processor (Pg No:525 ,A.K. Ray)

8_Give the salient features of 80486(Pg No:528 ,A.K. Ray)

9_How the registers are organized in 80486MP in extension to the 80386MP(Pg No: 531 ,A.K. Ray)

UNIT-VI:8051 Microcontroller

For this you refer Deshmuk Textbook/ Xerox material/any 8051 MC textbook(AK Ray)

1_What are the features of 8051 Microcontroller

2_Give the architecture details of 8051MC

3_ Explain the pin functionality of 8051

4_Explain the I/O ports of 8051MC

5_Explain the Addressing modes of 8051 MC

6_Give the 5 examples, for each instruction set of 8051MC

7_Explain Assembly Language Programming tools

8_how the memory is organized in 8051MC ,explain with neat diagram

9_explain the SFR(special function registers)  of 8051Microcontroller?

UNIT-VII:PIC Microcontrollers

For this you refer Deshmuk Textbook/ Xerox material

1_Give brief overview and features of PIC 16Cx/7x Microcontrollers(PPT)

2_Explain different PIC 16Cx/7x of differences in Table form(PPT)

3_Explain the Interrupts in PIC 16C1/71(Pg No:138)

4_ explain what is Brown-out reset feature in PIC. How do PIC microcontroller support the Power saving options?   

5_explain what is the meaning of orthogonal instruction set .Is PIC instruction set orthogonal ?

6_justify the statement "once the watch dog timer is enabled (disabled),it is not possible to make it off (on)? (Pg No:143)

7_write about TIMERS in 16C877 Flash Microcontroller(timer 0,timer 1,timer 2 and Watchdog timer)(Pg No:172)

8_what is pre scaling and post scaling in timer 2?what is the advantage using post scaling? (Pg No:172)

9_write a short notes on DATAEEPROM and FLASHEEPROM ? (Pg No:160)

10_explain about I/O ports of 16F877 microcontroller ?( Pg No:170)

UNIT-VIII:ARM 32-Bit Microcontroller

For this you refer Technical Publications Textbook

1_give the architecture details of ARM based Processor with neat Diagram?

2_explain ARM /Thumb Programming Model?

3_expalin ARM/Thumb Instruction set with example?

4_give the brief introduction about ARM(32-bit)/ 16(thumb) microcontroller?

CHOICE OF UNITS:  1,3,4,6,7,8

FOR THE EXAM YOU PREPARE DIAGRAMS WELL AND WRITE IMPORTANT POINTS.

YOU WILL PASS EASILY.

ALL THE BEST MY DEAR STUDENTS