JNTU Kakinada B-Tech 4-2 EMBEDDED SYSTEMS R13 April 2018 Question Paper

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What is the difference between big -endian and little-endian processors? [4]
b) Explain the role of logic gates in embedded hardware design? [4]
c) What is task control block (TCB)? [4]
d) What is relocatable code? [3]
e) List the different files generated during the cross compilation? [4]
f) What is the use of host machine for embedded system? [3]

PART ?B (3×16 = 48 Marks)2. a) What is non-operational quality attributes? Explain the important non-operational
quality attributes to be considered in any embedded system design.
[8]
b) Explain about application specific embedded system with suitable example? [8]

3. a) Explain the role of decoders in embedded hardware development. Draw the
circuit diagram for interfacing a 3-bit binary decoder with 8051.
[8]
b) Explain the role of watchdog timer in Embedded System with suitable diagram. [8]

4. a) Explain the various activities involved in the creation of process and threads. [8]
b) Three processes with process IDs P1, P2, P3 with estimated completion time 12,
10, 2 milliseconds respectively enters the ready queue together in the order P2,
P3, P1. Process P4 with estimated execution completion time 4 milliseconds
enters the Ready queue after 8 milliseconds. Calculate the waiting time and Turn
Around Time (TAT) for each process and the average waiting time and Turn
Around Time (Assuming there is no I/O waiting for the processes) in the FIFO
scheduling.

[8]

5. a) Explain the high level language based embedded firmware development. [8]
b) What are pseudo-ops? What is the use of it in assembly language programming? [8]

6. a) State the uses of assembler and deassembler in embedded application
development.
[8]
b) Explain the advantages and limitations of simulator based debugging. [8]

7. a) Explain about Laboratory instruments for testing the embedded system. [8]
b) Write short notes on quality assurance and testing of the embedded system
design.
[8]
Code No: RT42043C
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What is the difference between big -endian and little-endian processors? [4]
b) Explain the role of logic gates in embedded hardware design? [4]
c) What is task control block (TCB)? [4]
d) What is relocatable code? [3]
e) List the different files generated during the cross compilation? [4]
f) What is the use of host machine for embedded system? [3]

PART ?B (3×16 = 48 Marks)2. a) What is non-operational quality attributes? Explain the important non-operational
quality attributes to be considered in any embedded system design.
[8]
b) Explain about application specific embedded system with suitable example? [8]

3. a) Explain the role of decoders in embedded hardware development. Draw the
circuit diagram for interfacing a 3-bit binary decoder with 8051.
[8]
b) Explain the role of watchdog timer in Embedded System with suitable diagram. [8]

4. a) Explain the various activities involved in the creation of process and threads. [8]
b) Three processes with process IDs P1, P2, P3 with estimated completion time 12,
10, 2 milliseconds respectively enters the ready queue together in the order P2,
P3, P1. Process P4 with estimated execution completion time 4 milliseconds
enters the Ready queue after 8 milliseconds. Calculate the waiting time and Turn
Around Time (TAT) for each process and the average waiting time and Turn
Around Time (Assuming there is no I/O waiting for the processes) in the FIFO
scheduling.

[8]

5. a) Explain the high level language based embedded firmware development. [8]
b) What are pseudo-ops? What is the use of it in assembly language programming? [8]

6. a) State the uses of assembler and deassembler in embedded application
development.
[8]
b) Explain the advantages and limitations of simulator based debugging. [8]

7. a) Explain about Laboratory instruments for testing the embedded system. [8]
b) Write short notes on quality assurance and testing of the embedded system
design.
[8]
Code No: RT42043C
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) List out the major application areas of embedded systems. [4]
b) What is the difference between multiplexer and de-multiplexer? [4]
c) Explain the process management in the operating system context. [3]
d) Explain the format of assembly language instruction. [3]
e) Explain the various details stored in an object file generated during the cross
compilation.
[4]
f) List the various simulators used for embedded system testing. [4]

PART ?B (3×16 = 48 Marks)2. a) What is programmable peripheral Interface Device? Explain the interfacing of
8255 PPI with an 8-bit microprocessor/controller.
[8]
b) Explain the different classifications of Embedded Systems. Give an example for
each.
[8]

3. a) What is a sequential circuit? Draw a 3-bit binary counter using T flip flop and
explain its functioning.
[8]
b) Explain the role of real time clock in embedded systems with suitable diagram? [8]

4. a) What is IDLEPROCESS? What is the significance of IDLEPROCESS in the
process scheduling context?
[8]
b) Explain Thread context switch and the various activities performed in thread
context switching for user level and kernel level threads.
[8]

5. a) Explain the difference between super loop based and OS based embedded
firmware design.
[8]
b) List out the limitations/drawbacks of assembly language based embedded
firmware development.
[8]

6. a) Explain the boundary scan based hardware debugging in detail. [8]
b) What is ROM emulator? Explain ICE based debugging in detail. [8]

7. a) Explain the important features of compilers and linkers that are relevant to
embedded system?
[8]
b) List and describe the translation tools used in an embedded system. [8]
Code No: RT42043C
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What is the difference between big -endian and little-endian processors? [4]
b) Explain the role of logic gates in embedded hardware design? [4]
c) What is task control block (TCB)? [4]
d) What is relocatable code? [3]
e) List the different files generated during the cross compilation? [4]
f) What is the use of host machine for embedded system? [3]

PART ?B (3×16 = 48 Marks)2. a) What is non-operational quality attributes? Explain the important non-operational
quality attributes to be considered in any embedded system design.
[8]
b) Explain about application specific embedded system with suitable example? [8]

3. a) Explain the role of decoders in embedded hardware development. Draw the
circuit diagram for interfacing a 3-bit binary decoder with 8051.
[8]
b) Explain the role of watchdog timer in Embedded System with suitable diagram. [8]

4. a) Explain the various activities involved in the creation of process and threads. [8]
b) Three processes with process IDs P1, P2, P3 with estimated completion time 12,
10, 2 milliseconds respectively enters the ready queue together in the order P2,
P3, P1. Process P4 with estimated execution completion time 4 milliseconds
enters the Ready queue after 8 milliseconds. Calculate the waiting time and Turn
Around Time (TAT) for each process and the average waiting time and Turn
Around Time (Assuming there is no I/O waiting for the processes) in the FIFO
scheduling.

[8]

5. a) Explain the high level language based embedded firmware development. [8]
b) What are pseudo-ops? What is the use of it in assembly language programming? [8]

6. a) State the uses of assembler and deassembler in embedded application
development.
[8]
b) Explain the advantages and limitations of simulator based debugging. [8]

7. a) Explain about Laboratory instruments for testing the embedded system. [8]
b) Write short notes on quality assurance and testing of the embedded system
design.
[8]
Code No: RT42043C
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) List out the major application areas of embedded systems. [4]
b) What is the difference between multiplexer and de-multiplexer? [4]
c) Explain the process management in the operating system context. [3]
d) Explain the format of assembly language instruction. [3]
e) Explain the various details stored in an object file generated during the cross
compilation.
[4]
f) List the various simulators used for embedded system testing. [4]

PART ?B (3×16 = 48 Marks)2. a) What is programmable peripheral Interface Device? Explain the interfacing of
8255 PPI with an 8-bit microprocessor/controller.
[8]
b) Explain the different classifications of Embedded Systems. Give an example for
each.
[8]

3. a) What is a sequential circuit? Draw a 3-bit binary counter using T flip flop and
explain its functioning.
[8]
b) Explain the role of real time clock in embedded systems with suitable diagram? [8]

4. a) What is IDLEPROCESS? What is the significance of IDLEPROCESS in the
process scheduling context?
[8]
b) Explain Thread context switch and the various activities performed in thread
context switching for user level and kernel level threads.
[8]

5. a) Explain the difference between super loop based and OS based embedded
firmware design.
[8]
b) List out the limitations/drawbacks of assembly language based embedded
firmware development.
[8]

6. a) Explain the boundary scan based hardware debugging in detail. [8]
b) What is ROM emulator? Explain ICE based debugging in detail. [8]

7. a) Explain the important features of compilers and linkers that are relevant to
embedded system?
[8]
b) List and describe the translation tools used in an embedded system. [8]
Code No: RT42043C
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) List the differences between embedded system and general computing system. [3]
b) What is the difference between synchronous and asynchronous sequential
circuits?
[4]
c) Explain the task scheduling in the operating system context. [4]
d) What is absolute object file? [3]
e) Explain the various details held by map file generated during the cross
compilation.
[4]
f) How the target systems differ from the final embedded system? [4]

PART ?B (3×16 = 48 Marks)2. a) What are the different types of memories used in Embedded System design?
Explain the role of each.
[8]
b) Discuss the concept of load store architecture and instruction pipelining. [8]

3. a) What is a combinational circuit? Draw a combinational circuit for embedded
application development.
[8]
b) With suitable diagram briefly discuss about open collector and tri-state output. [8]

4. a) What is hardware software co-design? Explain the fundamental issues in
hardware software co-design?
[8]
b) Explain Round Robin process scheduling with interrupts. [8]

5. a) Explain the different embedded firmware design approaches in detail. [8]
b) List out the advantages of assembly language based embedded firmware
development.
[8]

6. a) Describe in detail the improvements over firmware debugging starting from the
most primitive type of debugging to the most sophisticated on chip debugging.
[8]
b) Explain the different tools used for hardware debugging. [8]

7. a) List and describe the debugging tools used in an embedded system. [8]
b) Briefly discuss about testing on host machine. [8]

Code No: RT42043C
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What is the difference between big -endian and little-endian processors? [4]
b) Explain the role of logic gates in embedded hardware design? [4]
c) What is task control block (TCB)? [4]
d) What is relocatable code? [3]
e) List the different files generated during the cross compilation? [4]
f) What is the use of host machine for embedded system? [3]

PART ?B (3×16 = 48 Marks)2. a) What is non-operational quality attributes? Explain the important non-operational
quality attributes to be considered in any embedded system design.
[8]
b) Explain about application specific embedded system with suitable example? [8]

3. a) Explain the role of decoders in embedded hardware development. Draw the
circuit diagram for interfacing a 3-bit binary decoder with 8051.
[8]
b) Explain the role of watchdog timer in Embedded System with suitable diagram. [8]

4. a) Explain the various activities involved in the creation of process and threads. [8]
b) Three processes with process IDs P1, P2, P3 with estimated completion time 12,
10, 2 milliseconds respectively enters the ready queue together in the order P2,
P3, P1. Process P4 with estimated execution completion time 4 milliseconds
enters the Ready queue after 8 milliseconds. Calculate the waiting time and Turn
Around Time (TAT) for each process and the average waiting time and Turn
Around Time (Assuming there is no I/O waiting for the processes) in the FIFO
scheduling.

[8]

5. a) Explain the high level language based embedded firmware development. [8]
b) What are pseudo-ops? What is the use of it in assembly language programming? [8]

6. a) State the uses of assembler and deassembler in embedded application
development.
[8]
b) Explain the advantages and limitations of simulator based debugging. [8]

7. a) Explain about Laboratory instruments for testing the embedded system. [8]
b) Write short notes on quality assurance and testing of the embedded system
design.
[8]
Code No: RT42043C
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) List out the major application areas of embedded systems. [4]
b) What is the difference between multiplexer and de-multiplexer? [4]
c) Explain the process management in the operating system context. [3]
d) Explain the format of assembly language instruction. [3]
e) Explain the various details stored in an object file generated during the cross
compilation.
[4]
f) List the various simulators used for embedded system testing. [4]

PART ?B (3×16 = 48 Marks)2. a) What is programmable peripheral Interface Device? Explain the interfacing of
8255 PPI with an 8-bit microprocessor/controller.
[8]
b) Explain the different classifications of Embedded Systems. Give an example for
each.
[8]

3. a) What is a sequential circuit? Draw a 3-bit binary counter using T flip flop and
explain its functioning.
[8]
b) Explain the role of real time clock in embedded systems with suitable diagram? [8]

4. a) What is IDLEPROCESS? What is the significance of IDLEPROCESS in the
process scheduling context?
[8]
b) Explain Thread context switch and the various activities performed in thread
context switching for user level and kernel level threads.
[8]

5. a) Explain the difference between super loop based and OS based embedded
firmware design.
[8]
b) List out the limitations/drawbacks of assembly language based embedded
firmware development.
[8]

6. a) Explain the boundary scan based hardware debugging in detail. [8]
b) What is ROM emulator? Explain ICE based debugging in detail. [8]

7. a) Explain the important features of compilers and linkers that are relevant to
embedded system?
[8]
b) List and describe the translation tools used in an embedded system. [8]
Code No: RT42043C
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) List the differences between embedded system and general computing system. [3]
b) What is the difference between synchronous and asynchronous sequential
circuits?
[4]
c) Explain the task scheduling in the operating system context. [4]
d) What is absolute object file? [3]
e) Explain the various details held by map file generated during the cross
compilation.
[4]
f) How the target systems differ from the final embedded system? [4]

PART ?B (3×16 = 48 Marks)2. a) What are the different types of memories used in Embedded System design?
Explain the role of each.
[8]
b) Discuss the concept of load store architecture and instruction pipelining. [8]

3. a) What is a combinational circuit? Draw a combinational circuit for embedded
application development.
[8]
b) With suitable diagram briefly discuss about open collector and tri-state output. [8]

4. a) What is hardware software co-design? Explain the fundamental issues in
hardware software co-design?
[8]
b) Explain Round Robin process scheduling with interrupts. [8]

5. a) Explain the different embedded firmware design approaches in detail. [8]
b) List out the advantages of assembly language based embedded firmware
development.
[8]

6. a) Describe in detail the improvements over firmware debugging starting from the
most primitive type of debugging to the most sophisticated on chip debugging.
[8]
b) Explain the different tools used for hardware debugging. [8]

7. a) List and describe the debugging tools used in an embedded system. [8]
b) Briefly discuss about testing on host machine. [8]

Code No: RT42043C
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
EMBEDDED SYSTEMS (Common to Electronics and Communications Engineering, Electronics and
Instrumentation Engineering & Electronics and Computer Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What is the difference between PLD and ASIC? [4]
b) List out the analog electronic components in embedded hardware design. [4]
c) Explain the concept of multithreading. [4]
d) Explain library file in assembly language. [3]
e) What is a decompiler? [3]
f) Explain the need of editor. [4]

PART ?B (3×16 = 48 Marks)2. a) Give an overview of the different market players of the automotive Embedded
application domain.
[8]
b) What is operational quality attributes? Explain the important operational quality
attributes to be considered in any embedded system design.
[8]

3. a) What is an integrated circuit? Explain the different types of integrations for ICs.
Give an example for each.
[8]
b) List out the differences between digital combinational and sequential circuits? [8]

4. a) What is kernel space and user space? How is kernel space and user space
interfaced?
[8]
b) Explain the different task communication synchronization issues encountered in
interprocess communication.
[8]

5. a) State the differences between compiler and cross-compiler. Explain the
Concepts of C versus Embedded C.
[8]
b) List out the advantages of high level language based embedded firmware
development.
[8]

6. a) Explain the role of IDE for embedded software development. [8]
b) What are the different techniques available for embedded firmware debugging?
Explain them in detail.
[8]

7. with suitable example briefly discuss about (i) Linker (ii) Compiler (iii) Interpreters
[16]

Code No: RT42043C
Set No. 4
R13
1 of 1