Components of an Operating System In order to perform the actions requested by the computer’s users‚ an operating system must be able to communicate with those users. The portion of an operating system that handles this communication is often called the user interface. Older user interfaces‚ called shells‚ communicated with users through textual messages using a keyboard and monitor screen. More modern systems perform this task by means of a graphical user interface (GUI) in which objects to be
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Running Head: Operating Systems - Linux Operating Systems - Linux Prepared by Jackie Riddick University of Phoenix November 18‚ 2007 Operating Systems - Linux Brief History. Linus Torvalds created the Linux operating system in 1991 while he was still a student at the University of Helsinki in Finland. He developed and released the Linux kernel under the GNU General Public License so that its source code would be free to all and others could modify it to meet their specific needs. The
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prehistoric times. The ancient Egyptians‚ Babylonians‚ and Greeks all used it. The purpose of the arch in these cultures‚ however‚ was limited to supporting small structures‚ such as storerooms‚ and people often used columns to support the roof. This design limited the size and scope of a building. As a result‚ builders could not construct extremely large palaces or government buildings. The ancient Romans created an arch that could support huge amounts of weight. How did the Romans accomplish this
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ICT 100: Introduction to Information and Communications Technology Unit 3: Operating Systems Objectives: Define the term software Differentiate between system software and application software Define the terms operating system and utility program Identify the types of operating systems Explain the boot process of a computer Describe the functions of an operating system Identify common utility programs Software‚ also called a program‚ consists of a series of related instructions
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information. From all of us here at the Edexcel International team‚ we wish you every success.’ Patrick Casey Director of International‚ Edexcel Vocational-JUNE2012-FINAL-gk.ind2 2 14/6/12 03:16:23 Contents APPlIED SCIENCE ArT AND DESIgN BuSINESS AND SErvICES CONSTruCTION AND ThE BuIlT ENvIrONmENT ENgINEErINg hAIrDrESSINg & BEAuTy ThErAPy hEAlTh AND SOCIAl CArE hOSPITAlITy IT lAND-BASED AND ENvIrONmENT mEDIA PErFOrmINg ArTS & muSIC PuBlIC AND uNIFOrmED SErvICES SPOrT
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The Purpose of an Operating System Professor John St. John COMP 129 – PC Hardware and Software October 2‚ 2014 Some professionals in the Information Technology (IT) field might describe the Operating System (OS) of a Personal Computer (PC) as its software brain. Jean Andrews‚ Ph.D.‚ describes an OS this way: “An operating system is software that controls a computer. It manages hardware‚ runs applications‚ provides an interface for users‚ and stores‚
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NUCLEAR REGULATION The regulatory independence in the nuclear sector (Insert Name) (Institutional Affiliation) -0- NUCLEAR REGULATION Table of contents Contents 1.0 The regulatory independence in the nuclear sector........................................................................... - 2 1.1Introduction ..................................................................................................................................... - 2 1.2 International requirement for regulatory
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A mobile operating system (mobile OS) is an OS built exclusively for a mobile device‚ such as a smartphone‚ personal digital assistant (PDA)‚ tablet or other embedded mobile OS. Popular mobile operating systems are Android‚ iOS and Windows Phone. A mobile OS is responsible for identifying and defining mobile device features and functions‚ including keypads‚ application synchronization‚ email and text messaging. Android OS is owned by Google and powered by the Linux kernel‚ it debuted in 2007.
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FAT32 efficiency and performance If you have better understanding of how fat has some inherent design problem‚ you can better know about the advantages of the FAT32 system. First‚ FAT16 organizes files in 32K clusters in drives over 1.2gigs‚ while FAT32 will use a minimum cluster size of 4K‚ it is very important to emphasize. Second‚ the biggest improvement is in FAT32 which in today’s high-capacity hard disk‚ with the ability to effectively manage storage space‚ which means that a 3K file wastes
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total desktop operating system market share (NetMarketShare‚ 2013). These operating systems run our home and work computers. Server versions of these operating systems run Internet web pages‚ corporate databases and file servers. Mobile versions of these operating systems run our personal smart phones and tablets. Soon‚ we may see a Linux-based ecosystem in vehicles. What is known as Automotive Grade Linux‚ a sub group of the Linux Foundation‚ “is providing a common operating system and application
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