OPERATING SYSTEM - FILE SYSTEM http://www.tutorialspoint.com/operating_system/os_file_system.htm Copyright © tutorialspoint.com File A file is a named collection of related information that is recorded on secondary storage such as magnetic disks‚ magnetic tapes and optical disks.In general‚ a file is a sequence of bits‚ bytes‚ lines or records whose meaning is defined by the files creator and user. File Structure File structure is a structure‚ which is according to a required format
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Operating Systems Assignment 1 Session: Summer 2013 Faculty of Information Technology UCP Lahore Pakistan Operating Systems Assignment: Introduction and Overview of Operating Systems 150 MARKS Write in your own words to answer the following‚ if you use material from any book website apart from your recommended book please provide so. All work will be assumed yours otherwise. Justify your answers where needed. Explain briefly and concisely 1. You are to procure Linux
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INTRODUCTION Operating system (OS) is a set of programs that acts as an interface between user and computer hardware. It also manages the internal resources of a computer like control Unit‚ arithmetic logic unit‚ memory unit‚ I/O unit etc. simply we can say that operating system (OS) is a communication channel between the user and the computer machine. It is must for any computer system because the OS is only: The one program that runs at all the times on the computer. The program that
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everyone will own or lease one in their lifetime. The biggest problem is the decision whether to buy or lease the automobile. Many people are faced with this question. Buying and leasing a car both have many positive and negative attributes. The beauty of it is that it is your choice! Leasing is one great way to get an automobile. The concept is quite simple. Leasing a car is almost like renting a car for an extended period of time (usually three years)‚ except at the end of the lease there is an option
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OPERATING M86-02 8086 BASED MICROPROCESSOR --------------------------------------After power on the system we have the following text displayed on LCD. If the text is not displayed‚ press reset button. (Note reset always brings LCD to this initial position). Press enter to see the main menu as shown The following we describe the function of each command A= ASSEMBLE This command is used to convert input assembly language into the machine language. To activate simply press ‘A’ on main menu
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Input/output (I/O) devices). (ii) Operating System (OS) Controls and coordinates the use of the hardware among the various application programs for the various users. (iii) Applications Programs /Application Software Define the ways in which the system resources are used to solve the computing problems of the users (compilers‚ database systems‚ video games‚ business programs). (iv) Users Include people‚ machines‚ and other computers. 1.1 Common operating system platforms include: Windows(NT
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Operating Systems Task 1 An operating system (OS) is a part of software which manages the operation of a computer. It controls the hardware and software of a computer‚ without it a computer would be useless. DOS Disk operating system (DOS) was released in 1981. It will load from a floppy disk each time a computer starts. DOS uses a command line interface. Command line interface can be difficult to use if you aren’t trained or experienced in using it. DOS is the predecessor to windows. DOS is
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Head Ultrasound‚ Infant An ultrasound scan of the head uses harmless‚ painless sound waves to paint a picture of the brain. It is done by placing an ultrasound probe (transducer) over the soft spot on a baby’s head (fontanelle). Ultrasound is a safe‚ painless‚ noninvasive procedure. No X-rays are involved. A head ultrasound tests for bleeding inside the head (intracranial hemorrhage). This is a common problem for babies who are born prematurely. It is difficult to predict the presence or absence
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acquire “property” rights by leasing assets. In a recessionary economy‚ purchase and lease defaults are rampant. In your opinion‚ what are the effects of defaulted capital leases to the lessor‚ lessee and economy as a whole? Should FASB consider rewriting capital lease allowances‚ even on a temporary basis‚ until the economy recovers? Give an example to support your opinion. When companies default on a capital lease‚ the economy is hurt as a whole. Both the lessor and lessee are hurt financially
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Chapter no | Topic | 1 | Introduction‚ Types ‚ Computer System Overview | 2 | Operating System Structure‚ Components and Functions‚ Virtual Machine | 3 | Process Concept‚ Operation‚ Process scheduling‚ symmetric multi -processing‚ Cooperating Processes | 4 | Thread Concept‚ Thread Vs Process‚ IPC ‚kernel ‚microkernel | 5 | Scheduling‚ Types‚ Scheduling in batch‚ interactive and real-time systems (SJN‚ SJF‚ FIFO‚ LJN‚ round-robin‚ priority scheduling‚ and hybrid schemes). | 6 | Deadlock:
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