UUM COLLEGE OF ARTS AND SCIENCES UNIVERSITI UTARA MALAYSIA No. Information on Course 1. Course Name : OPERATING SYSTEM 2. Course Code: STIK2044 3. Name(s) of Academic Staff: HATIM MOHAMAD TAHIR ROOM: SOC3070 OFF:928 5193 EMAIL: HATIM@UUM.EDU.MY FB: HATIM 4. Rationale for the inclusion
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Chapter 2 – Operating System Overview TRUE/FALSE QUESTIONS: 1) An OS should be constructed in such a way as to permit the effective development‚ testing‚ and introduction of new system functions without interfering with service. (True) 2) The OS masks the details of the hardware from the programmer and provides the programmer with a convenient interface for using the system. (True) 3) The ABI gives a program access to the hardware resources and services available in a system through the user
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its lifetime. Operating system takes care of selecting the processes from these queues in some fashion. Selecting process is done by the the appropriate scheduler. Types of scheduling: Short - term (or) CPU Scheduler Medium – term Long – term (or) Job Scheduler Short – Term Scheduler: Short term scheduler selects the processes that are ready to execute and allocates CPU to one of them. Medium – Term Scheduler: Medium term scheduler is introduced by some operating systems such as time sharing
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Authors: Damatac‚ Mara Olivia S. Gabriel‚ Ma. Gessa M. Lagiwid‚ Julie May C. Runez‚ Alfonso Tyrell Joseph B. Keywords: Mobile Apps IDE(Intergrated Development Environment) Cloud Sensors Introduction Programming is the process of developing logic codes to solve a particular problem. Programmed software and/or application are supposed to make the task easier for the user. It is used for developing applications found in our computing machines. It is used in almost all the technologies
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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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single-processor system? * Umumnya‚ setiap situasi di mana pemungutan dihindari menggunakan multithreading‚ yang memungkinkan thread untuk memblokir daripada berkutat di beberapa kondisi. 4.4 Which of the following components of program state are shared across threads in a multithreaded process? * Heap memory dan Global variables 4.5 Can a multithreaded solution using multiple user-level threads achieve better performance on a multiprocessor system than on a single-processor system?
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1. Briefly‚ what is an operating system? An operating system serves as a hardware/software interface‚ acts as a repository for common‚ shared routines and defines a platform for constructing and executing application software. 2. An operating system presents an application programmer with a relatively "friendly" hardware/software interface. What does this mean? Why is it important? The user interface‚ sometimes called the shell‚ provides a mechanism for the user and application programs to communicate
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error or by a specific request from a user program that an OS service be performed .Dual-mode Operation allows OS to protect itself and other system components whereas Multimode Operation increasingly CPUs support multi-mode operations. System call provides the means for a user program to ask OS to perform OS tasks on the user program’s behalf. When a system callis executed‚ it is treated by H/W as a S/W interrupt. Timer protects CPU resource from getting stuck by a user program. To ensure OS maintains
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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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Operating System An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. It is a program designed to run other programs on a computer. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software
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