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Sixth Semester B.E. Degree Examination, June/July 2016
Operating Systems Tirne: 3 hrs.
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Define OS. What are the common tasks perforrned by an operating system? (08 Marks) Explain briefly, the different classes of operating system, with primary concern and key
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Explain Kernel memory allocator methods. What are the key features in static and dynamic memory allocation? Explain briefly memory compaction with an example.
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Demand paging (ii) Page replacernent policies. Explain UNIX virtual memory.
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(08 Marks) Explain file operations performed by processes. What are the facilities provided by file-system and IOCS? Write the layered architecture of (06 Marks) the systam. Explain (i) Sequential flle organization (ii) Direct file access organizatian. (05 Marks)
Define Turn-around-time. Compare average Turn-Around-Time, for the following set of (08 Marks) for FCFS ano and SRN 5Ki\ scneoutm scheduli
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PART - B With reference to virtual memory, explain the following:
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(06 Marks) Briefly explain four kinds of process interaction. (06 Marks) With state transition diagram, explain the state transition for a process. What are the advantages of threads? Explain briefly Kernel-level and user-level threads, (08 Marks) specifying advantages and disadvantages.
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Explain : (i) Monolithic OS and (ii) Microkemal OS Specifying advantages and dis-advantages in each case. Define the following with respect to an operating system: (r) Policies and mechanisms. (ii) Portability and Extensibility Briefly explain the concept of VMOS, with an example.
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5 Arrival time 0 2 J 9 1 Service time 3 2 5 -) -) Briefly explain process scheduling methods for real time applications. Explain briefly, scheduling in UNIX.
How interprocess communication is achieved through mail-box? What
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its advantages? (08 Marks)
Explain the following: (i) Synchronous and asynchronous message passing. (ii) Data - access synchronization. (iii) Control synchronization.
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Starting from the current head position, what is theWll distance traveled (in cy.lrndgf$).rb1,,:;i_r.; ... Displaying Operating Systems Jan 2016 (2010 Scheme).pdf.
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Use M20 grade concrete and Fe4i5 steel. (14 Marks). A Hall measuring 14m x 6m, beams are spaced at 3.5m c/c. The thickness of wall being. 300mm. The thickness of slab is 150mm. Live load of slab is 5kN/m2. The web (rib) widt[. of beam is taken as 300
... 45 Hz. Indicate if and how the signal can. be recovered. Fig.Q i (c) (86 Marks). Derive the expression for signal to quantization noise ratio (SNR) and show that ...
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Highlight the various distortion criterions used in lossy compression schemes. (04 Marks). Data Gompression. Note: Answer FIVE.full questions, selecting.
... Visit - www.pediawikiblog.com. www.pediawikiblog.com. Page 1 of 1. Main menu. Displaying Material Science and Metallurgy July 2016 (2010 Scheme).pdf.
Explain data flow model with an example of insuiin pump. (0E Marks) ... Explain clean room software development process with neat diagrarn. (08 Marks).
Write a note on address resolution protocol. ... Explain the border gateway protocol. PART _ B ... Displaying Computer Networks 2 July 2016 (2010 Scheme).pdf.
(06 Marks). c. Give the details of minimum and maximum length of Ethernet frame. With an example,. explain the format of Ethernet address. (06 Marks). la. b. c.
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2 af2 For More Question Papers Visit - www.pediawikiblog.com. For More Question Papers Visit - www.pediawikiblog.com. www.pediawikiblog.com. Page 2 of 2. DSP Algorithms & Architecture July 2016 (2010 Scheme).pdf. DSP Algorithms & Architecture July 20
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www.pediawikiblog.com. Page 2 of 2. Microprocessors July 2016 (2010 Scheme).pdf. Microprocessors July 2016 (2010 Scheme).pdf. Open. Extract. Open with.
Mar 5, 2001 - business to science â customers who did a lot of mathematical calculations as well as those who did .... Some of these ideas included ... Control Protocol/Internet Protocol) started to become widely used especially in military.
