Answer Scheme for Test 2 Operating System 1. a) What is synchronization? (1m) - Synchronization is an act of ensuring that independent processes/threads begin to execute a designated block of code at the same time b) How does a race condition happen? (2m) - Incorrect timing in accessing same shared resource c) Explain TWO possible solutions of handling critical section?(2m) - Disabling interrupt prevents processes/threads to be in the critical section at the same logical time - Software solution
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The company that I am going to discuss in this case study is the IT firm ‘Microsoft’. Microsoft was originally founded by Bill Gates and Paul Allen in 1975. It is a public multinational corporation which is headquartered in Redmond‚ Washington in the USA. Its aims are to develop‚ manufacture‚ license and support a wide range of products and services that are related to computing through its various product divisions. Microsoft is an example of a well-known monopolistic power. A monopoly exists when
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a German Term which stands for “Open systems and the corresponding interfaces for the Automotive Electronics in Motor Vehicle Distributed” [1]. This source is available for everyone and produced specification for three main components which are Operating System (OS)‚ Network Management (NM) and Communication for Automotive embedded systems to increase and improve the Software Portability and Reusability. This document only focuses on the OSEK operating system. Today automotive vehicles have very
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Inc.‚ registered in the U.S. and other countries. Apple Remote Desktop‚ Finder‚ and QuickTime Broadcaster are trademarks of Apple Inc. MobileMe is a service mark of Apple Inc. Adobe and PostScript are trademarks or registered trademarks of Adobe Systems Incorporated in the U.S. and/or other countries. The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG‚ Inc. and any use of such marks by Apple is under license. Intel‚ Intel Core‚ and Xeon are trademarks of Intel Corp
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Chapter-1: Exercise Solution 1.1 In a multiprogramming and time-sharing environment‚ several users share the system simultaneously. This situation can result in various security problems. a. What are two such problems? b. Can we ensure the same degree of security in a time-shared machine as in a dedicated machine? Explain your answer. Answer: a. Stealing or copying one’s programs or data; using system resources (CPU‚ memory‚ disk space‚ peripherals) without proper accounting. b. Probably not‚ since any
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GATTEWAR ASHISH ASHOK UDAWANT RAHUL RAJARAM JOGI SHAMKANT EKNATH JAMBHALE M. TEJAS INDEX Content BADA Operating System Info Introduction BADA Ecosystem Market Share BADA SDK Architecture of BADA Operating System Features of BADA Operating System Process Management Process Life Cycle Process State Transition Memory Management Page No. 1 2 3 5 6 8 10 12 14 15 17 BADA OPERATING SYSTEM INFO BADA LOGO Current Version License Kernel Type Programmed In Platform Support Website 2.0.3 open
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INTRODUCTION TO WINDOWS AND UNIX OPERATING SYSTEMS: WINDOWS: Windows is a line of operating systems produced by Microsoft for use on personal computers‚ including home and business desktops‚ notebook computers‚ and media centers. Windows Vista is a line of operating systems developed by Microsoft for use on personal computers‚ including home and business desktops‚ laptops‚ Tablet PCs‚ and media center PCs. Windows Vista contains many changes and new features‚ including an updated graphical
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Information Technology | Unit number + Title | 2. Computer Systems | Assignment number + Title: | 1. Decoding the Jargon | Assessment Criteria: | P1 P2 M1 | Purpose / Aims (learning outcomes) | LO1 Understand the components of computer systemsP1 Explain the function of computer hardware componentsP2 Explain the purpose of operating systemsM1 Compare the features and functions of different operating systems | Introduction (Scenario) | You have been approached by
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INSTRUCTORS MANUAL OPERATING SYSTEMS: INTERNALS AND DESIGN PRINCIPLES FOURTH EDITION WILLIAM STALLINGS Copyright 2000: William Stalling TABLE OF CONTENTS PART ONE: SOLUTIONS MANUAL ...............................................................................1 Chapter 1: Computer System Overview ......................................................................2 Chapter 2: Operating System Overview ......................................................................6 Chapter
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A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms‚ from animals and plants to bacteria and archaea.[1] Since Dmitri Ivanovsky’s 1892 article describing a non-bacterial pathogen infecting tobacco plants‚ and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898‚[2] about 5‚000 viruses have been described in detail‚[3] although there are millions of different types.[4] Viruses are found in
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