EPREI-105 _26.11
2
UNIT-III 5. a) Compare the following parallel devices: ISA, PCI and PCI-X 6 b) What are the advantages and disadvantages of interrupt-driven data transfer? 6 OR 6. a) What are the parameters at a TCI 3 of a task? 6 b) How does use of counting sem aphore diffe r from a mut ex? How is a counting semaphore used? 6 UNIT-IV 7. a) Expl ain the term mult i taski ng sche duler 6 b) How does funct ions differ f rom ISRs, tasks, t hreads and processes? Why is ISR not permitted to use the inter proces s communication pending wait functions 6 OR 8. a) When do we use co-operat ive scheduling and when preemptiv e? 6 b) Compare the scheduling strategies of real time scheduling – preemptive mode and round robin scheduling 6 UNIT-V 9. Wri te a bri ef n ote on a) Micro C/OS-II features 6 b) Limitations on ISRs sharing single stack 6 OR 10. Write a brief note on a) POSIX standard interface s 6 b) Hierarchal RTOs 6 [5/I S/211] [Nov-11] [EPREI-105] M.Tech. DEGREE EXAMINATION Electronic Instrumentation I SEMESTER EMBEDDED SYSTEMS (Effectivefrom the admitted b atch 2008- 09) Time: 3 Hours Max.Marks: 60 ---------------------------------------------------------------------------------------------------- Instructions: Each Unit carries 12 marks. Answer all units choosing one question from each unit. All parts of the unit must be answered in one place only. Figures in the right hand margin indicate marks allotted. --------------------------------------------------------------------------------------------------- UNIT-I 1. a) Compare and contrast the f eatures of ea ch of t he fol lowing: a microprocessor, microcontroll er, RISC processor, DSP and ASSP 6 b) What is the role of processor reset and system reset 6 OR 2. a) Wha t ar e the adv ant ages of fer ed by an ASIC, ASI P in the design of an embedded system? 6 b) Define R OM image and explai n each section of a ROM image in a system 6 UNIT-II 3. Impleme nt a BCD counter to count from 00 t o 99 with a del ay of 1 sec between the successive counts. Display the count using two 7-segment LED displays in multiplixial configuration 12 OR 4. a) What do we mean by buses for networking of serial devices? 6 b) Explain the use of each control bit of I 2 C bus protocol 6
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Transcript of EPREI-105 _26.11
8/13/2019 EPREI-105 _26.11
http://slidepdf.com/reader/full/eprei-105-2611 1/2
UNIT-III
5. a) Compare the following parallel devices: ISA, PCI and PCI-X 6
b) What are the advantages and disadvantages of interrupt-driven
data transfer? 6
OR
6. a) What are the parameters at a TCI 3 of a task? 6b) How does use of counting semaphore differ from a mutex?
How is a counting semaphore used? 6
UNIT-IV
7. a) Explain the term multi tasking scheduler 6
b) How does functions differ from ISRs, tasks, threads and
processes? Why is ISR not permitted to use the inter process
communication pending wait functions 6
OR
8. a) When do we use co-operative scheduling and when preemptive? 6
b) Compare the scheduling strategies of real time scheduling –
preemptive mode and round robin scheduling 6
UNIT-V
9. Write a brief note on
a) Micro C/OS-II features 6
b) Limitations on ISRs sharing single stack 6
OR
10. Write a brief note on
a) POSIX standard interfaces 6
b) Hierarchal RTOs 6
[5/I S/211]
[Nov-11]
[EPREI-105]
M.Tech. DEGREE EXAMINATION
Electronic Instrumentation
I SEMESTER
EMBEDDED SYSTEMS(Effectivefrom the admitted batch 2008-09)
Time: 3 Hours Max.Marks: 60
----------------------------------------------------------------------------------------------------
Instructions: Each Unit carries 12 marks.
Answer all units choosing one question from each unit.All parts of the unit must be answered in one place only.
Figures in the right hand margin indicate marks allotted.---------------------------------------------------------------------------------------------------
UNIT-I
1. a) Compare and contrast the features of each of the following:
a microprocessor, microcontroller, RISC processor, DSP andASSP 6
b) What is the role of processor reset and system reset 6
OR
2. a) What are the advantages offered by an ASIC, ASIP in the
design of an embedded system? 6
b) Define ROM image and explain each section of a ROM imagein a system 6
UNIT-II
3. Implement a BCD counter to count from 00 to 99 with a delay of
1 sec between the successive counts. Display the count using two7-segment LED displays in multiplixial configuration 12
OR
4. a) What do we mean by buses for networking of serial devices? 6
b) Explain the use of each control bit of I2C bus protocol 6
8/13/2019 EPREI-105 _26.11
http://slidepdf.com/reader/full/eprei-105-2611 2/2
UNIT-III
5. a) Compare the following parallel devices: ISA, PCI and PCI-X 6
b) What are the advantages and disadvantages of interrupt-driven
data transfer? 6
OR
6. a) What are the parameters at a TCI 3 of a task? 6b) How does use of counting semaphore differ from a mutex?
How is a counting semaphore used? 6
UNIT-IV
7. a) Explain the term multi tasking scheduler 6
b) How does functions differ from ISRs, tasks, threads and
processes? Why is ISR not permitted to use the inter process
communication pending wait functions 6
OR
8. a) When do we use co-operative scheduling and when preemptive? 6
b) Compare the scheduling strategies of real time scheduling –
preemptive mode and round robin scheduling 6
UNIT-V
9. Write a brief note on
a) Micro C/OS-II features 6
b) Limitations on ISRs sharing single stack 6
OR
10. Write a brief note on
a) POSIX standard interfaces 6
b) Hierarchal RTOs 6
[5/I S/211]
[Nov-11]
[EPREI-105]
M.Tech. DEGREE EXAMINATION
Electronic Instrumentation
I SEMESTER
EMBEDDED SYSTEMS(Effective from the admitted batch 2008-09)
Time: 3 Hours Max.Marks: 60
----------------------------------------------------------------------------------------------------
Instructions: Each Unit carries 12 marks.
Answer all units choosing one question from each unit.All parts of the unit must be answered in one place only.
Figures in the right hand margin indicate marks allotted.---------------------------------------------------------------------------------------------------
UNIT-I
1. a) Compare and contrast the features of each of the following:
a microprocessor, microcontroller, RISC processor, DSP andASSP 6
b) What is the role of processor reset and system reset 6
OR
2. a) What are the advantages offered by an ASIC, ASIP in the
design of an embedded system? 6
b) Define ROM image and explain each section of a ROM imagein a system 6
UNIT-II
3. Implement a BCD counter to count from 00 to 99 with a delay of
1 sec between the successive counts. Display the count using two7-segment LED displays in multiplixial configuration 12
OR
4. a) What do we mean by buses for networking of serial devices? 6
b) Explain the use of each control bit of I2C bus protocol 6
