Operating Systems Assignment 1 Session: Summer 2013 Faculty of Information Technology UCP Lahore Pakistan Operating Systems Assignment: Introduction and Overview of Operating Systems 150 MARKS Write in your own words to answer the following‚ if you use material from any book website apart from your recommended book please provide so. All work will be assumed yours otherwise. Justify your answers where needed. Explain briefly and concisely 1. You are to procure Linux
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Input/output (I/O) devices). (ii) Operating System (OS) Controls and coordinates the use of the hardware among the various application programs for the various users. (iii) Applications Programs /Application Software Define the ways in which the system resources are used to solve the computing problems of the users (compilers‚ database systems‚ video games‚ business programs). (iv) Users Include people‚ machines‚ and other computers. 1.1 Common operating system platforms include: Windows(NT
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OPERATING CYCLE The way working capital moves around the business is modeled by the working capital cycle.This shows the cash coming into the business‚what happens to it while the business has it and then where it goes.the term operating cycle otherwise known as “cash cycle”.In order to earn sufficient profits‚a firm has to depend on its sales activities apart from others.The continuing flow from cash to suppliers‚to investors‚to debtors and back in cash.The time gap is technically termed as
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4.5.2‚ Linux does not distinguish between processes and threads. Instead‚ Linux treats both in the same way‚ allowing a task to be more akin to a process or a thread depending on the set of flags passed to the clone() system call. However‚ many operating systems—such as Windows XP and Solaris—treat processes and threads differently. Typically‚ such systems use a notation wherein the data structure for a process contains pointers to the
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1.5 Modern OS are interrupt driven. Events are almost signaled by the occurrence of an interrupt or a trap‚ which caused either by an error or by a specific request from a user program that an OS service be performed .Dual-mode Operation allows OS to protect itself and other system components whereas Multimode Operation increasingly CPUs support multi-mode operations. System call provides the means for a user program to ask OS to perform OS tasks on the user program’s behalf. When a system callis
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OPERATING M86-02 8086 BASED MICROPROCESSOR --------------------------------------After power on the system we have the following text displayed on LCD. If the text is not displayed‚ press reset button. (Note reset always brings LCD to this initial position). Press enter to see the main menu as shown The following we describe the function of each command A= ASSEMBLE This command is used to convert input assembly language into the machine language. To activate simply press ‘A’ on main menu
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Operating Systems Assignment #5 Of Chapter 4 Eighth Edition of Operating System Concepts by Avi Silberschatz Peter Baer Galvin & Greg Gagne 2009 4.1 Provide two programming examples in which multithreading does not provide better performance than a single-threaded solution Answer: (1) Any kind of sequential program is not a good candidate to be threaded. An example of this is a program that calculates an individual tax return. (2) Another example is a "shell" program such as
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Assignment First Page Student ID number(s): | 30855399 | Student Name(s): | Jin Wang | Module Name: | Operations and Process Management | Module Tutor: | Professor Mike Pidd and Dr. Jerry Busby | Essay/Project Title | Operation Strategies of Low-Cost Airlines and the Fight Back of Established Airlines | Word Count: | 1‚823 | Assignment Due Date: | 17 December‚ 2012 | By submitting this coursework for assessment‚ I/We acknowledge the following: Academic Integrity
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Chapter 7 Exercise #3 – Given a disk pack with 10 platters yielding 18 recordable surfaces… A = Rotational speed = 10ms B = Transfer rate = 0.1ms/track C = Density per track = 19‚000 bytes D = Number of records to be store = 200‚000 records E = Size of each record = 160 bytes F = Block size = 10 logical records G = Number of tracks per surface = 500 a) Number of blocks per track: (C) / (E*F) 19‚000 / (160*10) 19‚000 / 1600 11.875 11 BLOCKS b) Waste per track: C – (E*F*11)
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Operating leverage Def. of leverage - The degree to which an investor or business is utilizing borrowed money. Companies that are highly leveraged may be at risk of bankruptcy if they are unable to make payments on their debt; they may also be unable to find new lenders in the future. Leverage is not always bad‚ however; it can increase the shareholders’ return on investment and often there are tax advantages associated with borrowing. Def of operating leverage- a measurement of the degree to
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