HISTORY OF OPERATIMG SYSTEMS Operating systems (OS) provide a set of functions needed and used by most application programs on a computer‚ and the linkages needed to control and synchronize computer hardware. On the first computers‚ with no operating system‚ every program needed the full hardware specification to run correctly and perform standard tasks‚ and its own drivers for peripheral devices like printers and punched paper card readers. The growing complexity of hardware and application programs
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OPERATING RETURN ON ASSETS (OROA) Year | 2007 | 2008 | 2009 | 2010 | 2011 | Public Bank Berhad | 1.96% | 2.01% | 1.84% | 2.09% | 2.08% | RHB Bank Berhad | 1.89% | 2.09% | 1.93% | 1.98% | 1.70% | Operating return on assets (OROA) ratio is measure of the return earn by a firm operations divided by total assets. The operating return on assets indicates how much will return earned by a firm operation for every RM1 of the total assets. Public Bank Berhad generated RM0.0196 of operating profit for
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Android Operating System Android is an open-source software stack for mobile phones and tablet devices. Android was originated by a group of companies known as the Open Handset Alliance‚ led by Google. Today‚ many companies have collaborated in the creation and development of the Android operating system. The members of the OHA contributed in the form of allocating significant engineering resources to improve Android and bring Android devices to Market. (Open Handset Alliance‚ n.d.) According to
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• You may customize the presentations to fit your class needs. • Some figures from the chapters are included. A complete set of images from the book can be found on the Instructor Resources disc. Principles of Operating Systems: Design & Applications Chapter 1 Introduction to Operating Systems Objectives After studying this chapter‚ the student should: Be able to discuss ways of defining the operating system Understand the different roles the OS plays Have a general picture of the
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Known operating system security flaw in Microsoft® Windows®‚ Mac OS X®‚ Linux®‚ or UNIX® Lance Branford POS/355 January 13‚ 2015 Eugene Gorbatov Known operating system security flaw in Microsoft® Windows®‚ Mac OS X®‚ Linux®‚ or UNIX® In describing known operating security with in the operating systems. I will be describing how the systems are compromised how to counter the attack and what the attack does to the system. In the UNIX systems the vulnerability named shellshock which is a command line
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April 9‚ 2012 Terance Carlson This paper will discuss three main operating systems‚ Windows‚ Linux‚ and OS X. All three of these operating systems have features which are unique unto themselves. Although there may be arguments as to which one of these three operating systems is better it really all comes down to what features are needed for each user. This paper will describe the features that each of these operating systems has to offer. First‚ Microsoft Windows. Microsoft began its dominance
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EVOLUTION OF THE OPERATING SYSTEM Operating systems as they are known today trace their lineage to the first distinctions between hardware and software. The first digital computers of the 1940s had no concept of abstraction; their operators inputted machine code directly to the machines they were working on. As computers evolved in the 1950s and 1960s however‚ the distinction between hardware such as the CPU and memory (or Core as it was called then) and the software that was written on top of it
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explain . (gear in the car is use to adjust its speed ‚ same as the shell in the operating system we cannot interact with the kernel and do something to the settings without it) 2. What is the use of options in the command?( Options determine how the command operates) 3. What is the use of arguments in the command?( arguments determine what it operates on) 4. Who develop “bourne shell”?( Stephen L. Bourne) 5. From where the oldest shell had been found?(the oldest shell has been found outside museums)
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References: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Wikipedia Official website of Android Official website of Apple Official website of Windows phone http://www.studymode.com/essays/Mobile-Operating-Systems-FeatureComparison-905694.html http://en.wikipedia.org/wiki/Mobile_operating_system http://archive.techtree.com/techtree/jsp/article.jsp?article_id=114322&cat_id=899 http://jaxov.com/2010/04/iphone-os-4-vs-windows-phone-7-vs-android-2-1comparison/
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things. Maybe to themselves or to other people! Even though those people may have no remorse over the things they have done us as human beings have to be the ones to say when enough is enough. The history of the death penalty is a long and brutal one. From the stoning and crucifixion killings of the B.C. era to today’s methods of the electric chair and lethal injection‚ governments of one kind or another have sentenced people to death for thousands of years [CA Innocence Project‚ 2009]. It’s simply a
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