1. In a multiprogramming and time sharing environment‚ several users share the system simultaneously. This situation can results in various security problems. a. What are the two such problems? Ans: The two problems in Multiprogramming and time sharing environment are Stealing or copying a user’s files; Writing over another program’s (belonging to another user or to the OS) area in memory; Using system resources (CPU‚ disk space) without proper accounting; Causing the printer to mix output by
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Q- Operating Systems Required - You have different types of machines (laptops‚ desktops‚ servers) which require different operating systems – which ones will you recommend and why? A- According to the research it has revealed that each of the operating systems has its own advantages and disadvantages‚ yet one of them may seem more reliable and competent than the other. I personally think that Windows 7 is the best option‚ given that it’s most widely used by the majority of companies and employees
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National University Of Co mputer & Emerg ing Sciences-Isla ma ba d Operating Systems Spring 2012 Lab-Assignment2 Deadline: Tuesday 13th March‚ 2012 12:00 PM GENERAL INSTRUCTIONS: Programming can be done in either C or C++. Submissions should include the annotated source code. Programs that will not be executed will get a low grade. Make sure your programs do not crash when given bad input‚ but instead provide warning messages Copy cases will get NEGATIVE MARKS SUBMISSION INSTRUCTIONS
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Overview of Functions of an Operating System Norman Matloff University of California‚ Davis ©2001‚ N. Matloff May 30‚ 2001 Contents 1 Introduction 1.1 It’s Just a Program! 1.2 What Is an OS for‚ Anyway? 1.3 A Bit More on System Calls 1.4 Making These Concepts Concrete: Commands You Can Try Yourself 2 System Bootup 3 Application Program Loading 4 Timesharing 4.1 Many Processes‚ Taking Turns 4.2 Example of OS Code: Linux for Intel CPUs 4.3
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ASSIGNMENT no : 2 SUBMITTED by : ADEEL ZAFAR SUBMITTED to : SIR RIZWAN ROLL no : 11014156-047 SECTION : BS IT (AF) SUBJECT : PAKISTAN STUDIES Table of Contents 1. Introduction 2. Constitutional Development 3. Concept of a Federation 3.1 Distribution of Powers 3.2 Concurrency 3.3 Residuary Subjects 4. 1973 Constitution and Concurrent Legislative List 5. Recent Political Developments in Pakistan 6. Conclusions and likely future scenarios 7. Recommendations
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Chapter I. BACKGROUND OF THE INFORMATION SYSTEM PROJECT Overview of the Current State of Technology Electronic gadgets help human productivity and efficiency through more competence in the development and advancement with regards to technological society. Now‚ in the age of modernization in education‚ one way to globalize the practice of research is to realize that technology is advancing at an incredible pace. Computers are not just used only for leisure but also are one of the main reasons
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Mobile Database Systems [ 1 ] Jerri Scott Technical Essay #1 Mobile Database Systems MGT – 5151 Database Systems Management November 7‚ 2010 [ 2 ] Due to the increasing utilization of mobile networks and devices‚ mobile database systems have become a prominent method of data access. Data maintenance becomes a necessity for users who require mobility. Therefore‚ the usage of mobile database systems provides a convenient way of data creation‚ collection and management through mobile
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Mobile System Paper CIS/207 Mobile System Paper Mobile applications was one of the most intriguing and intelligent things that could have been invented or designed. Mobile applications is software that is designed and made to run on cellular phones such as smartphones‚ Androids‚ iPhones‚ Windows phones‚ Blackberry phones and phones of that sort. Mobile applications are not only designed and engineered just for phones‚ they are also designed for tablet computers and
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In Academic Affiliation with In Academic Affiliation with Design and Develop a Mobile Marketing System A project presented to The Faculty of the Computing Department of Gulf College In academic affiliation with Staffordshire University In partial fulfillment of the award BSc (Hons) Computer Science Supervised by Dr. Alrence S. Halibas Submitted by Abdullah Khalaf Khalfan Al Thani January‚ 2013 Table of Contents Table of Contents i List of Figures ii List of
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Process | Arrival Time | Burst time | Priority | P1 | 0 | 3 | 3 | P2 | 1 | 6 | 1 | P3 | 3 | 9 | 3 | P4 | 6 | 1 | 2 | P5 | 10 | 6 | 4 | P6 | 15 | 7 | 2 | For Shortest-Job-First without preemption: (ignore the priority column‚ given above‚ for this one‚ priority is used in the non-preemptive priority algorithm) Check the arrival times. P1 arrives at time = 0‚ and its burst time is time = 3‚ so P1 will complete its execution at time = 3‚ because it starts at time = 0 and its burst time
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