MLR INSTITUTE OF TECHNOLOGY DUNDIGAL - 500 043, HYDERABAD QUESTION BANK Course Name : EMBEDDED SYSTEMS Course Code : A57043 Class : IV B. Tech I Semester Branch : ECE Year : 2015 2016 Course Faculty : Mr. V.ARUN OBJECTIVES To meet the challenge of ensuring excellence in engineering education, the issue of quality needs to be addressed, debated and taken forward in a systematic manner. Accreditation is the principal means of quality assurance in higher education. The major emphasis of accreditation process is to measure the outcomes of the program that is being accredited. In line with this, Faculty of MLR institute of technology, Hyderabad has taken a lead in incorporating philosophy of outcome based education in the process of problem solving and career development. So, all students of the institute should understand the depth and approach of course to be taught through this question bank, which will enhance learner s learning process. 1. Group - A (Short Answer Questions) 2 Marks Questions UNIT - I 1 Define a System. With examples Understand 1 2 Discuss an embedded system? Understand 1 3 Describe the typical characteristics of an embedded system? Apply 1 4 Write the advantages of embedded system? Apply 1 5 Write the disadvantages of embedded system? Understand 1 6 Give the applications of an embedded system Understand 1 7 Explain the various embedded system designs Modelling Refining (or Understand 2 partitioning
8 Discuss complicating factors in embedded design? Remember 1 9 Explain real-time requirements of an embedded system? Understand 2 10 Classify functional requirements of embedded system? Apply 2 11 Explain the main components of an embedded system? Understand 2 12 Define embedded microcontroller. understand 3 13 Explain digital signal processing in embedded system continued Understand 2 digitization of signals increasing the role of DSP in ES. 14 Describe various classifications of embedded systems? Remember 1 15 Give two essential units of a processor on an embedded system? Apply 1 16 Analyze the execution unit of a processor in an embedded system do? Apply 1 17 Give the classification of embedded system Apply 2 18 Define microprocessor. Understand 3 19 Discuss the various embedded system requirements Understand 2 20 Give the reactivity in embedded system. Apply 1 21 Define ROM image. understand 2 22 Define device driver. understand 2 23 Give examples for small scale embedded systems. Apply 1 24 Give examples for medium scale embedded systems Apply 1 25 Give examples for sophisticated embedded systems Apply 1 UNIT II 1 Define processor and controller Understand 3 2 Give the size of program memory and data memory in 8051 Apply 4 3 Define bus with examples in 8051 microcontroller Understand 3 4 Give the summary of I/O devices used in embedded system Apply 4 5 Give examples for serial input I/O devices. Apply 4 6 Analyze the steps for accomplishing input output data transfer Apply 4 7 Explain timer and counters Understand 4
8 Discuss about the features of 8051 microcontroller Remember 3 8 Give different family series of 8051 microcontroller Apply 3 9 Explain about 8051 oscillator and clock Remember 4 10 Sketch the block diagram of microcontroller Understand 3 11 Sketch the block diagram of microprocessor Apply 3 12 Define oscillator Understand 4 13 Define interrupt Understand 4 14 Discuss 8 bit registers in 8051 Remember 4 15 Explain what are the 16 bit registers in 8051 Understand 4 16 Discuss about external interrupts Remember 4 17 Explain about SCON & PCON Understand 4 18 Discuss the timer mode 3 Remember 4 19 Explain timer/counter control logic Understand 4 20 Explain about serial data inputs/outputs Understand 4 21 Define processor and controller Understand 4 UNIT III 1 Discuss the advantages of Assembly language? Remember 5 2 Discuss the advantages of high level languages? Remember 5 3 Define In line assembly Understand 4 Name the elements of C program. Remember 5 5 Name three assembly languages Remember 5 6 Discuss the interrupt service routines or device drivers? Understand 5 7 Give the data types available in C language? Apply 5 8 Give the data structures available in C language. Apply 6 9 Write the syntax for declaration of pointer and Null-pointer. Remember 6 10 Explain pass by values Understand 6
11 Write the function of an address Remember 6 12 Write the syntax for function pointer. Remember 6 13 Define Multiple Inheritances? Understand 6 14 Define Exception handling Understand 6 15 Give syntax of assembly language Understand 5 16 Give the techniques of assembly language Understand 5 17 Explain push and pop codes Remember 5 18 Explain how can you exchange the data Remember 5 19 Classify the different types of addressing modes in 8051 Apply 5 20 Explain how to programming the 8051 Understand 6 21 Name three high level language Understand 6 22 Discuss the function of an operating system Understand 6 UNIT IV S. No Questions Taxonomy 1 Explain the functions of various blocks of PSoC Understand 6 2 Explain PSoC architecture in detail Understand 6 3 Explain the I/O pin configurability in detail Understand 6 4 Explain the analog block employed in the PSoC microcontroller. Understand 6 5 Discuss about the internal register organization of CPU block in PSoC. Understand 6 6 Explain in detail about the three types of pins available in PSoC architecture. Understand 6 UNIT - V 1 Discuss about key switch factors Remember 8 2 Sketch the lead per key board Understand 8 3 categories different types of displays Understand 8
4 Design the seven segment LED displays and circuit Apply 8 5 Develop the pin out of CD4511 Analyze 8 6 Discuss about intelligent LCD display Remember 8 7 Sketch the ADC circuit with explanation Understand 8 8 Define interrupt Understand 8 9 discuss the multiple interrupts Remember 8 10 Differentiate serial communications and parallel communications Remember 8 11 Distinguish various types of serial communications Remember 8 12 Write about serial communication? Understand 8 13 Classify various modes in serial communication Apply 8 14 Explain about mode0 (shift register mode) Understand 8 15 discuss the mode1 standard 8 bit UART mode Remember 8 16 give the examples of mode2 and mode3 Remember 8 17 Construct the pin out of DAC Apply 8 18 Design the keyboard wiring configuration Remember 8 19 Write an embedded c program for blinking led Understand 8 UNIT - VI 1 Define process. Understand 9 2 Define task and Task state. Understand 9 3 Define (TCB) Understand 9 4 Discuss about thread? Remember 9 5 Estimate the benefits of multithreaded programming? Remember 9 6 Compare user threads and kernel threads Remember 9 7 Define RTOS. Understand 9 8 Define task and task rates. Understand 9 9 Define CPU scheduling. Understand 9
10 Define Synchronization. Understand 9 11 Describe Inter process communication Understand 9 12 Classify the various shared data operating system services? Apply 10 13 Write about semaphore? Understand 9 14 Give the semaphore related functions. Remember 9 15 Estimate the usage of semaphore when error occurred Remember 9 16 Differentiate counting semaphore and binary semaphore. Remember 9 17 Discuss priority inheritance? Understand 9 18 Define Message Queue. Understand 9 19 Define Mailbox and Pipe. Understand 9 20 Define Socket. Understand 9 21 Define Remote Procedure Call. Understand 10 22 Define thread cancellation & target thread. Understand 9 23 Formulate the different ways how thread can be Remember 9 Cancelled? 24 Discriminate pre-emptive and non-pre-emptive scheduling? Apply 9 25 Write about Dispatcher? Understand 9 26 Define dispatch latency? Understand 9 27 Classify various scheduling criteria for Apply 9 CPU scheduling? 28 Define throughput? Remember 9 29 Estimate the conditions under which a deadlock situation may arise? Apply 10 30 Define race condition. Understand 9 31 Explain critical section problem? Understand 10 32 Summarize the requirements that a solution to the critical section Understand 9 problem must satisfy? 33 Define deadlock. Understand 10
UNIT - VII 1 Name any two important RTOS. Apply 9 2 Summarize sophisticated multitasking embedded system? Remember 10 3 Explain multi task and their functions in embedded system. Remember 10 4 Name any two queue related functions for the inter task communications. Apply 10 5 Name any two mailbox related functions. Apply 10 6 Give the function for sending a queue. Understand 10 7 Illustrate a function for receiving a message from a queue Understand 11 8 Give the steps to destroy a message queue. Remember 11 9 Give the needs for memory management. Remember 11 10 Name some application for the VxWorks RTOS. Remember 12 11 Discuss the various features of VxWorks? Remember 12 12 Explain the basic functions of VxWorks? Understand 12 13 Summarize the task service functions supported by VxWorks? Remember 12 14 Describe different types of semaphores in Vx works? Which is the fastest? Remember 10 15 Explain in detail about Vx Works pipes? Understand 12 16 Define signal servicing function? Understand 10 17 Define Micro C/OSII. Understand 12 18 Classify task states in MICRO C/OS-II? Apply 12 19 Discuss 2 source files in Micro C/OS-II? Understand 11 20 Explain the basic functions of MUCOS? Understand 11 21 Classify the types of IPC mechanism Apply 11 UNIT VIII 1 Discuss about ARM Understand 13 2 write about SHARC Understand 13
3 Classify the features of SHARC Apply 13 4 Differentiate 8051 and ARM Remember 13 5 Write about ARM family members Understand 13 6 Give the size of ARM flash memory Remember 13 7 Differentiate CISC and RISC Remember 13 8 Describe ARM Remember 13 9 Summarize the ARM7TDMI Understand 13 10 Design von Neumann architecture Understand 13 11 Explain Harvard architecture Understand 13 12 Write the applications of ARM Remember 13 13 Explain about AMBA Understand 13 14 Write the features I2C Understand 14 15 Sketch the block diagram of CAN Apply 14 16 Describe networking for ES Understand 14 17 Discuss CPSR format Understand 13 18 Explain load and store architecture Understand 13 19 Classify the ARM development tools Apply 13 20 Explain I2C bus characteristics Understand 14 2. Group - II (Long Answer Questions) UNIT I 1 Discuss the steps involved in designing a model train controller Remember 2 2 a) Explain the formalisms for system design Understand 2 b)discuss the challenges in embedded computing system design explain 3 Explain the software embedded systems Understand 2 4 Explain the embedded system design flow with the help of flow chart Understand 2 5 a) Discuss about complex systems and microprocessor Remember 1 b) Explain the characteristics of embedded computing applications?
6 Explain the basic processors and hardware units in the embedded system Understand 1 7 Explain how software is embedded into a system Understand 2 8 Develop and explain about digital camera Apply 2 9 Explain the characteristics of embedded computing applications Understand 2 10 Explain software tools in designing of an embedded system. Understand 2 UNIT-II 1 Develop system for micro controllers Remember 3 2 Sketch the architecture of 8051 microcontroller and explain it Remember 3 3 Explain internal ram organization Understand 4 4 Sketch the pin configuration of 8051 explain it Apply 3 5 Classify the different types of interrupts and explain Apply 4 6 Describe the special function registers in 8051 Remember 4 7 Explain i/o ports and circuits in 8051 Understand 4 8 Explain how to interface external memory to 8051 Understand 4 9 Explain the different types of timers and counters Understand 3 10 Differentiate serial and parallel communication Remember 3 UNIT III 1 Explain the function pointers, function queues and ISR queues. Understand 5 2 a) Explain about assembly language mnemonics Understand 5 b) Give some examples of direct and indirect addressing modes 3 a)discuss what are the languages are used in computers Understand 6 b) Explain what are the logical instructions 4 a) Explain why use machine language Understand 6 b) Explain immediate and register addressing modes 5 Explain the assembly language programming process Understand 7
6 a)discuss what are the tools used to understand the assembly language Remember 5 7 a) Give the techniques of assembly language Understand 6 b)expalin about data transfer instruction 8 Explain the function pointers, function queues and ISR queues. Understand 5 9 a) Explain about assembly language mnemonics Understand 6 b) Give examples of direct and indirect addressing mode UNIT IV S. No Questions Taxonomy 1 Explain the functions of various blocks of PSoC Understand 6 2 Explain PSoC architecture in detail Understand 6 3 Explain the I/O pin configurability in detail Understand 6 4 Explain the analog block employed in the PSoC microcontroller. Understand 6 5 Discuss about the internal register organization of CPU block in PSoC. Understand 6 6 Explain in detail about the three types of pins available in PSoC architecture. Understand 6 UNIT V 1 Explain & draw the circuit of A/D converter. Understand 8 2 a)classify the types of serial communication Remember 8 b) Write a embedded c program for seven segment displaying8 3 Design a generic R-2R type D/A converter circuit Apply 8 4 Classify the modes used in serial shift register? Expalin any one Apply 8 5 Rewrite the connection of multiple interrupts circuit remember 8 6 Sketch neatly a seven segment display circuit used for seven segment Remember 8 program 7 Sketch the circuit of seven segment LED Display to interface 8051 Remember 8 microcontroller 8 Sketch the multiple interrupt circuit for hardware Remember 8 9 Sketch the large matrix keyboard Remember 8 10 Sketch intelligent LCD and Seven segment LED displays? Remember 8
UNIT VI 1 Explain how thread and process are used in embedded system. Understand 9 2 Explain process management and memory management in embedded Understand 9 system 3 Explain file system organization and implementation Understand 9 4 Explain how interrupt routines handled in embedded system Understand 10 5 Explain the real time operating systems Understand 11 6 Explain cyclic scheduling with time slicing Understand 10 7 Explain how critical section in handled by a pre-emptive scheduler Understand 9 8 Explain inter process communication and synchronization Understand 10 9 Explain inter process communications using signals Understand 10 10 Explain remote procedure call with an example Understand 9 11 Write about IPC in detail. Remember 10 12 a)write about Interrupt Service Handling in RTOS. Remember 10 b) Write about Semaphores with types in detail. 13 Illustrate the rules to decide re-entrancy of a function? Explain due to Remember 9 which rule the following function is not re-entrant? 14 Explain state transition diagram of RTOS. Understand 9 UNIT VII 1 Explain detail about Memory allocation related functions Understand 11 2 Explain briefly about mailbox related functions Understand 11 3 Explain Queue related functions Understand 11 4 Explain multiple tasks and their functions Understand 11 5 Give the steps for creating list of tasks Remember 11 6 Give the exemplary coding techniques Remember 12
7 List and explain the various task service functions in Apply 12 VxWorks/MUCOS-II. 8 Explain how IPCs are used in embedded system. Understand 10 9 Explain the various multiple function calls in Embedded C Understand 10 10 Write in detail about MUCOS and its features with a suitable example. Remember 12 11 Write in detail about VxWorks and its features with a suitable example. Remember 12 12 Explain about the same case study but more stress on the functions for Understand 12 semaphores and the code for it. 13 Describe how does an RTOS semaphore protect data? Explain by giving Understand 11 example. 14 Design and explain basic system of an Automatic chocolate vending Apply 12 system 15 Discuss with the diagram task synchronization model for a specific Understand 12 application 16 Explain the RTOS programming tool MicroC/OS-II. Understand 12 UNIT VIII 1 Discuss about ARM with block diagram Remember 13 2 write about SHARC and compare with different types of architectures Understand 13 3 Classify the features of SHARC Apply 13 4 Differentiate 8051 and ARM Remember 13 5 Write about ARM family members Remember 13 6 Give the size of ARM flash memory Remember 13 7 Differentiate CISC and RISC Remember 13 8 Describe ARM Understand 13 9 Summarize the ARM7TDMI Understand 13 10 Design von Neumann architecture Understand 13 11 Explain Harvard architecture Understand 13 12 Write the applications of ARM Understand 13
13 Explain about AMBA Understand 13 14 Write the features I2C Remember 14 15 Sketch the block diagram of CAN Remember 14 16 Describe networking for ES Understand 13 17 Discuss CPSR format Apply 13 18 Explain load and store architecture Remember 13 19 Classify the ARM development tools Remember 13 20 Explain I2C bus characteristics Remember 14 3. Group - III (Problem solving &Analytical Questions): UNIT I 1 Give examples for general purpose processor. Remember 1 2 Describe embedded cores? Understand 1 3 Discuss Application Specific System processors (ASSPs) used in an Apply 1 embedded system? 4 Construct and explain smart card Remember 2 5 Explain the development of UML diagrams Remember 2 UNIT II 1 Discuss which port has no alternate functions Remember 4 2 Explain the bit address of bit 4 of Ram byte 2Ah Understand 4 3 Sketch the signal that reads external ROM Apply 4 4 Sketch the signal that reads external RAM Remember 4 5 Explain which register used for accessing external memory with example Understand 4 UNIT III
1 Name two automatic actions a computer performs Remember 6 2 Demonstrate volatile variables? Remember 6 3 Operate all the data from RAM memory locations A0h to A3h Apply 7 4 Write the best method for writing loop Remember 7 5 Explain why are high level languages machine independent Understand 6 UNIT IV 1 Explain the functions of various blocks of PSoC Understand 6 2 Explain PSoC architecture in detail. Understand 6 3 Explain the analog block employed in the PSoC microcontroller. Understand 6 4 Discuss about the internal register organization of CPU block in PSoC. Understand 6 5 Explain in detail about the three types of pins available in PSoC architecture. Understand 6 6 Explain the I/O pin configurability in detail Understand 6 UNIT V 1 write an ALP program for interfacing keyboard with 8051 Understand 8 2 Write an assembly language program for convert analog to digital Understand 8 3 Write an assembly language program to interface intelligent LCD Understand 8 display with 8051 4 Write an ALP program to display character on seven segment display Understand 8 5 Relate multiple interrupts to 8051 Remember 8
UNIT VI S. No Questions Taxonomy 1 Summarize and synthesis the features of RTOS while buying Apply 10 2 Define interrupt latency? How can you reduce it? Understand 10 3 Design and discuss priority inversion Apply 10 4 Analyze and design data in an RTOS based real time system Apply 10 5 Criticize return type ISR? Apply 11 UNIT VII 1 Explain how you will design application to create a Smart Card in detail. Understand 11 2 Analyze and design application for Adaptive Cruise Control System in Apply 11 Car in detail. 3 Develop and design a application for sending Application Layer Byte Apply 12 Stream on a TCP/IP Network in detail. (Write with design and code.) 4 Explain how will you design a application for Automatic Chocolate Understand 12 Vending Machine in detail. (Write with design and code.) UNIT VIII S. No Questions Taxonomy 1 Develop and explain about Elevator system Apply 14 2 Categories Multi-processing Model in MIMD Apply 14 3 Justify is the SHARC for non-dsp Applications Remember 13 4 Discriminate I2C data format Analyse 14 5 Analyze basic bit encoding in CAN Apply 14