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2003 Course Embedded Systems

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Total No. of Questions : 12] [Total No. of Pages : 3 [3764]-424 P1569 B.E. (Computer Engineering & I.T.) EMBEDDED SYSTEMS (410451) (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates : 1) Answers to the two sections should be written in separate answer books. 2) In section I attempt : Q. No. 1 or Q. No. 2, Q. No. 3 or Q. No. 4, Q. No. 5 or Q. No. 6. In section II attempt : Q. No. 7 or Q. No. 8, Q. No. 9 or Q. No. 10, Q. No. 11 or Q. No. 12, 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Assume suitable data, if necessary. SECTION - I Q1) a) List four important characteristics of Embedded Systems. [4] b) Explain the programmer s model of ARM7. [8] c) What are the different operating modes of ARM7. [6] OR Q2) a) Is ARM7 a RISC processor core? If yes, substantiate your answer with appropriate reasons. [8] b) What do you mean by CPSR, SPSR and Link Register? [4] c) List commonly used microcontrollers in small, medium and large scale embedded systems. [6] Q3) a) Explain Automic Operation Unit found in advanced processors. [4] b) In a voice data compression system, bits are generated at the rate of 64 Kbps. The embedded system with instruction cycle time of 0.02 microsecond is supposed to compress these bits. [12] Select i) appropriate processor with suitable structural units and ii) memory for the above Embedded System. OR P.T.O.

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