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Pune University - FY BSc COMPUTER HARDWARE AND NETWORK ADMINISTRA, April 2010

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Total No. of Questions : 5] [Total No. of Pages : 2 P211 [3717] - 34 F.Y. B.Sc. COMPUTER HARDWARE AND NETWORK ADMINISTRATION Paper - I : Essentials of Computers (Vocational) (New) (2008 Pattern) Time : 3 Hours] Instructions to the candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Draw neat diagrams wherever necessary. [Max. Marks : 80 Q1) Attempt the following : [16] a) Distinguish between primary and secondary memory. b) How microprocessors work as CPU? c) What is MODEM? d) What is the difference between heads of CD ROM and CD R/W? e) Write full forms of : BCD, UPC, LCD, ISR. f) What is DMA? g) What is nested interrupt? h) If there are 3 discs in HDD how many R/W heads will be required? Explain it. Q2) Attempt any Four : a) What is the difference between Hardware and Software? b) Write a short note on Mouse . c) Explain in brief main and Auxiliary memory. d) What is SMPS? Explain it in brief. e) Write a short note on Memory modules . f) [16] What are different utility tools? Explain formatting in brief. P.T.O. Q3) Attempt any Four : [16] a) Write a short note on Plotter . b) Explain CPUs bus system. c) What do you mean by device Controllers? Explain their use. d) What is a pen drive? Explain it with it s connector. e) Comment on Memory hierarchy . f) What is timing diagram? Show rise and fall time and it s effect in clock signal. Q4) Attempt any Two : [16] a) What is Motherboard ? Explain all the components and devices related to motherboard. b) Write a note on Intel Microprocessors . c) i) Distinguish between Maskable and Non-maskable interrupts. ii) Explain the role of RAM in computer and how the data is saved on computer. Why the unsaved data is lost when power goes off? Q5) Attempt any Two : [16] a) Explain different types of keyswitches used in keyboard. b) Write a note on Printers . Explain Dot Matrix and Inkjet printers. c) i) What is hardwired control unit? Explain it with diagram. ii) Write a short note on Registers . vvvv [3717]-34 2

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Additional Info : F.Y. BSc. COMPUTER HARDWARE AND NETWORK ADMINISTRATION Paper -I : Essentials of Computers (Vocational) (New) (2008 Patern), Pune University
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