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Pune University - SY BSc (Sem - I) VOC COMP H/W & N/W ADMI : Paper - I, April 2010

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Total No. of Questions : 4] P295 [Total No. of Pages :2 [3717] - 140 S.Y. B.Sc. COMPUTER HARDWARE AND NETWORK ADMINISTRATION Microprocessor and Interface Techniques - I (Paper - I) (New Course) (Vocational) (Sem. - I) (58711) Time : 2 Hours] Instructions to the candidates: 1) 2) Q1) a) All questions are compulsory. Figures to the right indicates full marks. Attempt the following : i) What do you mean by EISA bus? iii) What is DMA transfer? iv) [4] Define interrupt. ii) b) [Max. Marks : 40 Elaborate SRAM and DRAM. Attempt the following : [8] i) Explain bounce and debounce of a switch with proper timing diagram in brief. ii) Distinguish between Hardware and Software interrupts. iii) State characteristics of analog to digital converter. iv) What are the different technologies used in mother board? Q2) Attempt any two of the following : a) Explain in brief different modes of 80286 and its working. b) How can a keyboard be interfaced to the main computer. c) [8] Explain functions of the following pins : MEMR , MEMW , IOR and IOW . P.T.O. Q3) Attempt any two of the following : a) Explain the working of thermistor and AD590. b) List different types of buses. Explain any one in brief. c) [8] Write a short note on display adaptors. Q4) Attempt the following : a) [12] Discuss the history of microprocessor w.r.t model (type) and memory addressable capacity. ii) b) i) State the functions of Bus Interface Unit (BIU). Explain with neat diagram the mode of identifying a key press in a 4 4 matrix key board. kbkb [3717]-140 2

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Additional Info : S.Y. B.Sc. Computer Hardware And Network Administration (Semister - I) : Microprocessor and Interface Techniques - I (Paper - I) (New Course) (Vocational), Pune University
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