College : PSG Polytechnic College
Degree :DECE (Diploma in Electronics & Communication Engineering)
Semester : V
Subject : G12502 Embedded System
Document Type : Model Question Paper
Website : psgpolytech.ac.in
Download Model/ Sample Question Papers :
https://www.pdfquestion.in/uploads/psgpolytech.ac.in/6245-G12502.pdf
PSG Embedded System Question Paper
PSG POLYTECHNIC COLLEGE, COIMBATORE – 641 004
DIPLOMA ODD SEMESTER EXAMINATIONS – OCT 2014
Related / Similar Question Paper :
Vector Institute Embedded & VLSI System Question Paper
Instructions
1. Group A and Group B questions should be answered in the Main Answer book.
2. Answer any TEN questions in Group A. Each question carries three marks.
3. Answer ALL questions either (a) subdivision or (b) subdivision in Group B. Each question carries 14 marks.
G12502 Embedded System
MODEL QUESTION PAPER
Time : 3 Hours Max.Marks: 100
Group – A
1. State the challenges in designing an embedded system.
2. Can a PC classified as an embedded system- Justify.
3. What is the significance of embedded system in a GPS moving map-
4. Compare RISC and CISC architectures.
5. Draw the format of status register of PIC Microcontroller and brief about fields.
6. List the I/O ports supported by PIC Microcontroller. Mention their functions and alternate functions.
7. How the embedded system protects itself during software malfunctioning?
8. List the sequence of events occurred when hardware interrupt and an interrupt return Raises.
9. State the applications of Serial Peripheral interface.
10. Does 32- Bit ARM processor supports 16-bit operations and 8-bit operations?
11. State reasons for moving from MPU to MMU in ARM.
12. Write the Post condition of the following statements.
PRE r0=0x00000000
‘r1=0x00000077
RSB r0, r1, #0
13. Why General purpose OS is not suitable for embedded systems?
14. Draw the state diagram of a Task.
15. List the characteristics of RTOS.
Group– B<h/2>
16. a) Explain the various phases involved in designing embedded system.
(OR)
b) Consider a Temperature monitoring system. The system has to acquire the data. It should alert the user when temperature exceeds the preset value and display status. The cooling system is to be activated when it exceeds preset value. Also the user can modify the reference temperature value through keypad. Draw the functional blocks for the above system and explain.
17. a) Describe core architectural features of PIC microcontroller.
(OR)
b) Harvard architecture increases execution speed of code and data. Comment on this statement. Discuss the organization of program and data memory of PIC microcontrollers with neat schematic diagram.
18. a) Explain the Timer 0 operation with associated registers.
(OR)
b) Can a PIC microcontroller communicate to another master to master/slave device? Describe the process with necessary illustrations.
19. a) i) Draw the bit pattern of CPSR and describe. (5)
ii) Explain different Register organization available in ARM for various modes of operation (9)
(OR)
b) i) How to link ARM and Thumb code together? (5)
ii) Describe the 3-stage pipeline architecture used in ARM. (9)
20.a) Is kernel an integral part of OS? Draw the kernel structure and describe the role of scheduler and dispatcher.
(OR)
b) With an example explain scheduling of tasks using robin round method.
Analog Electronics Question Paper
1. Draw the ideal schematic and block diagram of OP-AMP.
2. List the ideal characteristics of OP-AMP
3. List the non-ideal DC characteristics of OP-AMP
4. Draw the circuit diagram of half wave rectifier using OP-AMP and mention the need of precision diode.
5. Draw the Sample and Hold circuit using OP-AMP and list the type and material of capacitor used.
6. Design an Adder/subtractor circuit using OP-AMP.
7. Draw the zero crossing detector circuit and mention its importance.
8. Determine the threshold voltages VUT and VLT of a Schmitt trigger whose R2=100 Ohm, R1 = 50KOhm, Vref = 0V, Vi= 1 Vpp sine wave and saturation voltage = (+/- 14)V,
9. With the use of OP-AMP, design a triangular wave form generator.
10. Draw the series OP-AMP regulator circuit and mention its uses
11. Draw the 723 general purpose regulators
12. Draw and mention the uses of variable resistive network.