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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CHAPTER 3 The Competitive Environment Learning Objectives Upon completing this chapter‚ you should be able to: Identify the structural characteristics of the environment faced by the firm and how these drivers influence both competition and value creation Choose the appropriate level of specificity in environmental analysis‚ depending on the locus of the decision-making group Predict how changes occurring in the environment might influence future competition and value creation Incorporate understanding
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getpid(); printf("Process : pid = %d \n"‚pid); return 0; } Output : Number of process = 8. 3.8 Describe the differences among short-term‚ medium-term‚ and longterm scheduling. Sol: Scheduler : A process moves among different scheduling queues throughout 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
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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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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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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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Chapter 5 Operating and Financial Leverage Discussion Questions |5-1. |Discuss the various uses for break-even analysis. | | | | | |Such analysis allows the firm to determine at what level of operations it will break even (earn zero profit) | | |and to explore
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SUMMER TRAINING REPORT ON CASH MANAGEMENT IN A construction company at Dehradun Submitted in Partial Fulfillment of the Requirement for Bachelor of Business Administration (2008-2011) |Project Supervisor: |Submitted by: | |Mr. Amar johri |Atul Gupta
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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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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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