Multitasking via alternate and shared processing

CPU scheduling algorithms have a significant function in multiprogramming operating systems. When the CPU scheduling is effective a high rate of computation could be done correctly and also the system will maintain in a stable state. As well as, CPU scheduling algorithms are the main service in the operating systems that fulfill the maximum utilization of the CPU. This paper aims to compare the characteristics of the CPU scheduling algorithms towards which one is the best algorithm for gaining a higher CPU utilization. The comparison has been done between ten scheduling algorithms with presenting different parameters, such as performance, algorithm’s complexity, algorithm’s problem, average waiting times, algorithm’s advantages-disadvantages, allocation way, etc. The main purpose of the article is to analyze the CPU scheduler in such a way that suits the scheduling goals. However, knowing the algorithm type which is most suitable for a particular situation by showing its full properties.

https://www.beei.org/index.php/EEI/article/download/2812/2334

Comparative analysis of the essential CPU scheduling algorithms

“The Principles of Computer Composition” is an important and fundamental core course in computing education. Recently, significant advancements have been made for experimental instruments that are related to “The Principles of Computer Composition” for colleges in terms of their functions and performances. However, most instruments are old, prone to failure, and are rarely automated. Some experimental systems use field‐programmable gate array (FPGA) or a complex programming logic device (CPLD); however, the systems still use numerous integrated discrete and small‐scale chips, which limits the functionalities of FPGA or CPLD chips. It is difficult to reconfigure the logic in all aspects of the experiment, and only a limited part of the logic can be reconstructed. Meanwhile, simulation experiments alone are too abstract for students to intuitively understand the circuit structures of the hardware. To address these issues, a CPLD‐based experiment system for the course “The Principles of Computer Composition” was designed. The proposed system has a flexible design with clear circuit structures and a high degree of automation and stability. In addition, it comes with multiple functions, including logic reconstruction. The test results prove that the proposed system can help students obtain a better understanding of the course content. The system meets the design goal, and it contributes to the development of computing education.

A complex programmed logic device‐based experiment system for the principles of computer composition

This paper describe how does CPU facilitates tasks given by a user through a Scheduling Algorithm. CPU carries out each instruction of the program in sequence then performs the basic arithmetical, logical, and input/output operations of the system while a scheduling algorithm is used by the CPU to handle every process. The authors also tackled different scheduling disciplines and examples were provided in each algorithm in order to know which algorithm is appropriate for various CPU goals.

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A Comprehensive Review for Central Processing Unit Scheduling Algorithm

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A Comprehensive Review for Central Processing Unit Scheduling Algorithm