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Pune University - FY BSc COMPUTER MAINTENANCE, April 2010 (Old Course)

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Total No. of Questions : 5] P251 [Total No. of Pages : 2 [3717] - 85 F.Y. B.Sc. COMPUTER MAINTENANCE Computer Fundamentals (Paper - I) (Old) (Vocational) 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) State function of CPU of computer. b) What is BIOS? What is its function? c) Define - Memory word, word length. d) Distinguish between volatile & non-volatile memory. e) State function of modem in internet. f) Define-Microprocessor. List some microprocessors used in todays computer. g) What is meant by disabling of interrupt? h) Write full form of abbreviations - CDROM, MDR, LCD, DVD. Q2) Attempt any four : a) What is multimedia? What are its applications? b) Discuss structure of floopy disk. c) Write short note on-Internet protocol. d) Explain computer generation in brief. e) Explain - Microprocessor as CPU. f) [16] State limitations of computer. P.T.O. Q3) Attempt any four : [16] a) Draw & explain block diagram of ALU of computer. b) Explain working principle of mouse. c) What is device controller? State different types of device controller. d) Explain programmed mode of data transfer to i/o device. e) Distinguish between maskable and non-maskable interrupts. f) Draw block diagram of hardwired control unit of computer. Q4) Attempt any two : [16] a) Discuss different types of memory used in organisation of main memory. b) What is motherboard? Explain any eight components of motherboard. c) Write short note on : i) Cache memory. ii) Light pen as pointing device. Q5) Attempt any two : [16] a) What is virtual memory? Explain paging and segmentation methods used in virtual memory management. b) What is internet? Explain main utilities provided by internet. c) i) Distinguish between-Dot matrix printer and Inkjet printer. ii) Write short note on different types of connectors in computer. vvvv [3717]-85 2

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Additional Info : F.Y. B.Sc. COMPUTER MAINTENANCE : Computer Fundamentals (Paper - I) (Vocational) (Old Course), Pune University
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