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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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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as mangers believe a new operating system should replace the old system since its not working well. Challenges include problem with communication effectiveness‚ management of information system (MIS)‚ computer parts supply issues‚ computer’s processing speed and computer failure. Problem statements‚ goals and objectives of the company should be clearly stated. After a group of top managers and senior directors have agreed on a strategic plan focusing solely on the system problems and other challenges
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Windows NT is a unique and powerful operating system. It has been an entirely different operating system than Microsoft’s initial Windows desktops operating systems. It was simply better and more secure ("Survey of operating Systems" pg125.) Windows NT offers you a high degree of performance and a wealth of capabilities and features. ("Windows NT 101"‚ 1998.) NT supports two file systems: NtFS4 and FAT16. It can use up to 4 Gigabytes of RAM and also uses virtual memory. Windows NT doesn’t work well
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Networking Operating Systems: Analysis and Comparison There are several Network Operating Systems available to the public. The three most common are Windows Server 2003‚ Novell NetWare‚ and Unix based systems such RedHat Linux .Each one of these operating systems have unique advantages as well as sharing many common features with each of the other operating systems. Microsoft Server 2003 is one of the most popular network operating systems on the market today. Microsoft 2003 offers a host benefits
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Linux - The shell ------------------------------------------------- Introduction to the shell The command interpreter is the interface between the user and the operating system‚ hence the name "shell". The shell therefore acts as an intermediary between the operating system and the user thanks to command lines that are entered by the latter. Its role consists in reading the command line‚ interpreting its meaning‚ carry out the command‚ and then return the result via the outputs. The shell
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to be processed by the CPU Body In all the operating systems‚ schedulers are a critical component of the CPU to getting processes done. Allowing fairness between processes that need to be completed and give over all optimal efficiency to the end user. User perceived performance is a critical part of the scheduler‚ this how efficient the systems seems to the human user. All processes deserve fairness in which they receive access to systems resources. This is exemplified by the round robin scheduling
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A History of Operating Systems To understand and to be prepared for the future of computer support it helps to know the history of operating systems. The operating system is the software that links the user to the computer’s hardware. Early mainframes (the predecessor of the personal computer) did not use an operating system. Programs were loaded onto the mainframe by paper punch cards‚ magnetic or paper tape. The user would start the program and wait for the program to complete‚ or crash
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Software Systems CA History and development of Operating Systems Table of contents Page 1 : Contents Page 2 : Introduction Page 2-3 : History of Operating Systems Page 3 : Timesharing and Multiprogramming 1960s Page 4 : The personal computer era Page 4-5 : The Significant types of Operating Systems Page 5-6 : The Functions of Operating Systems Page 7 : Why OS is so critical Page 7 : Conclusion Page 8 : Bibliography Introduction "Operating Systems have earned the reputation for being
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