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Microcontroller And Embedded Systems Question Paper - Jun 19 - Information Technology (Semester 5) - Mumbai University (MU)
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Microcontroller And Embedded Systems - May 19
Information Technology (Semester 5)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1. Solve any four out of five
1.a.
Explain the significance of bits of CPSR of ARM7.
(5 marks)
00
1.b.
Discuss the major application areas of an Embedded System.
(5 marks)
00
1.c.
Draw the functional pin diagram of ADC 0808 .
(5 marks)
00
1.d.
Differentiate between Real-Time Operating System and General Purpose Operating System.
(5 marks)
00
1.e.
Explain the instructions of 8051 microcontroller - MOVX, ADC, SIMP, ANL, JNB
(5 marks)
00
2.a.
Briefly explain about Inter Process Communication.
(10 marks)
00
2.b.
Write assembly language program for 8051 to find number of positive and negative numbers from a given ten 8 bit numbers stored from 50 $\mathrm{H}$ . Store result at 60 $\mathrm{H}$ (no of positive numbers) and 61 $\mathrm{H}(\text { no of negative numbers). }$
(10 marks)
00
3.a.
Draw and explain the functional block diagram of 825 Programmable Peripheral Interface.
(10 marks)
00
3.b.
Discuss the various operating modes of ARM7 processor.
(10 marks)
00
4.a.
Compare the features of Arduino and Raspberry Pi embedded target boards.
(10 marks)
00
4.b.
Explain the SFRs-TMOD, IE & SCON.
(10 marks)
00
5.a.
Explain different addressing modes of single register load/store instruction of
ARM7 processor.
(10 marks)
00
5.b.
Demonstrate with example, the scheduling algorithms used in RTOS.
(10 marks)
00
6.a.
What are sensors used in loT applications with the target embedded boards for measuring temperature, pressure and humidity? Explain the same.
(5 marks)
00
6.b.
Discuss the interrupt structure of 8051 microcontroller.
(8 marks)
00
6.c.
Discuss various embedded microcontroller cores used in embedded System,-
RICS, CISC, ARM and DSP
(7 marks)
00
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