Govt. of Karnataka, Department of Technical Education Diploma in Computer Science & Engineering Sixth Semester Subject: Embedded and Real Time Systems
Max. Marks: 100 Max. Time: 3 Hours
Model Question Paper
Note: 1. Section –I is compulsory. 2. Answer any TWO questions from each remaining Sections.
Section - I 1 a. Fill in the blanks 5x1=5 i. ii. iii. iv. v b). Explain the building blocks of navigation system 5
Section – II 2. a). what is an Embedded system? List the various applications of embedded systems 5 b). Differentiate between hard real time system & soft real time system. 5 c) Explain the internal architecture of a processor 5 3 a). Differentiate between an embedded OS and a real time OS 5 b). What is cross platform development? List its tools 5 c). Explain the process of generating an executable image for embedded software 5 4 a). Explain the boot sequence of an embedded system 5 b) Write a C functions i) to demonstrate bit wise operators? ii) to check whether the bit is set to 1 or not 10 Section-III 5 a). Write a C program to implement CRC 32 algorithm 15 6 a).List the important features of 89C51 development board 5 b). List the important features of ATmega 128 microcontroller 5 c). What are the reasons for the need of communication interfaces 5 7. a). What are the advantages of USB over RS 232 5 b). Explain the protocol architecture of Ethernet LAN 5 c). What is IrDA interface? What are its advantages & limitations 5 Section -IV 8. a). What are the objects of an OS kernel 5 b). Explain the difference between semaphore & mutex 5 c) Differentiate between preemptive & non preemptive OS 5 9. a). What are the memory management services provided by the kernel 5 b). List the various mobile / handheld OS and explain their features in brief 10 10. a). what is a smart card? List the various applications of smart card 5 b). Explain applications of pervasive computers and ubiquitous computers 5 c). Write a short note on embedded intelligence 5
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