QUESTION 1 Scheduling is a fundamental operating systems function. Almost all computer resources are scheduled before use. CPU is one of the primary computer resources uses scheduling to design the processes in an operating system. The operating system can make the computer more productive by switching the CPU among processes called CPU scheduler. a) Explain what is CPU scheduler? State FOUR (4) goals of the CPU scheduler in an operating system. CPU scheduler is to selects from among
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INTRODUCTION CPU Scheduling is the process by which an Operating System decides which programs get to use the CPU. The major current O/S all work pretty much alike‚ although there are many possible ways to decide this issue. First‚ one must understand that‚ although every computer task takes CPU time‚ some take lots and some take just a bit‚ and then use I/O devices‚ or wait for user input. When that happens‚ processes running on the computer usually release the CPU‚ and let other processes use
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Enhancement of Bee colony algorithm using 2-opt technique for constructing optimal path Bindia Sonika Jaspreet Kaur Sahiwal Dept. of CSE‚ Lovely Professional University Dept. of CSE‚ Lovely Professional University Dept. of CSE‚ Lovely Professional University Phagwara‚ India Phagwara‚ India
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1. Why is scheduling fairly simple for repetitive systems but fairly complex for job shops? Scheduling for repetitive systems is fairly simple because the activities and equipment used is the same. This goes for high-volume and medium volume systems because the productions are the similar. Scheduling for job shops is more difficult because the products formed are customized or of a personal nature and therefore are not mass produced. Stevenson‚ William J. Operations Management‚ 11th Edition. McGraw-Hill
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Operating Systems User OS Kernel & Device Drivers Interface Programs Deadlock Brian Mitchell (bmitchel@mcs.drexel.edu) Operating Systems 1 Deadlocks • Computer resources are full of resources that can only be used by one process at a time • Unpredictable results can occur if two or more processes use the same resource at the same time • OS control this problem by arbitrating resource requests • OS grant exclusive access and manage access to system resources • By allowing processes
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system will automatically create a receipt showing the information about the guest. It will show the date and time of transaction‚ the amount paid‚ the balance to be paid and all the information of the guest. The study covers the reservation and scheduling process wherein the system filters all the records that have the same schedule for reservation. The officer-in-charge will no longer look for the records in a log-book instead he/she will sort the records according to the schedule of reservation
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products) to design house partnerships (business to business sector).This raised the question in to how much it gets the CDS in to an area of business beyond company core expertise. 5) Insufficient storing capacity. 6) Difficulty in process scheduling‚ and lack of coordination’s between different activities and processes. 7) 40% of express delivery utilized by the company rather than by the customer due to out of stock product at time of order (means extra cost). Improving the Operations
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Minutes For Question 1 to 4‚ Write your answer on this paper. You should EXPLAIN the answer in One or Two Sentence. For Question 4 & 5‚ Write your answer on Answer script. 1. (2 points) (TRUE/FALSE) Round Robin(RR) scheduling is non-preemptive where as FCFS and Priority scheduling are preemptive. 2. (2 points) How many processes will gate created after execution of the following code and Explain (You can show execution diagram) – main() { fork(); fork(); fork(); } (2 points) (TRUE/FALSE)
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1.0 BASIC CONCEPTS 1.1 What is a Process? In computing‚ a process is an instance of a computer program that is being executed. It contains the program code and its current activity. Depending on the operating system (OSf a process may be made up of multiple threads of execution that execute instructions concurrently (Robbins‚ Kay. A. and Steven Robbins‚ 1996). A computer program is a passive collection of instructions; a process is the actual execution of those instructions. Several processes
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Presented by P. Chithravalli T. Vijaikumar AUTOMATIC CHOCOLATE VENDING MACHINE (AVCM) USING μC/OS-II RTOS ACVM Specifications Alphanumeric keypad and Display * Alphanumeric keypad on the top of the machine. A child interaction with it when buying a chocolate. * Owner commands and interaction with the machine. Three line LCD display unit on the top of the machine. * Displays menus‚ entered text‚ pictograms‚ and welcome‚ thank messages‚ and time and
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