Online courses directory (4179)
This is an OMSCS orientation course for all Georgia Tech OMS students.
Take charge of your own improvement as a teacher by collecting and acting upon feedback.
One Health, One Medicine: A Global Health Approach is a course for anyone interested in health, including: medicine, veterinary medicine, public health, life sciences, environmental health, health management and international health. The One Health One Medicine concept is changing the way we perceive and tackle the world’s health problems. This course is geared toward premedical and preveterinary medical students, as well as anyone interested in public health and MPH studies. This eight-week course is a must for anyone interested in the ways people, animals, and the environment interact with each other, affecting the health of each other. The course is divided into seven sections: History of Medicine Introduction to the One Health One Medicine Concept Emerging Infectious Diseases Zoonotic Diseases Food Safety Environmental Health International Health Time commitments: Students will be expected to complete the course within an eight week block of time. The course is comprised of seven sections which can be completed in weekly blocks requiring two hours of contact time per week. At the end of the seven modules, there are also discussions and case studies to prepare and submit which can be completed within the eight (final) week of the course. This cutting-edge course, taught by Dr Satesh Bidaisee, an associate professor from St. George's University Schools of Medicine and Veterinary Medicine in Grenada, will identify all areas of global health issues that require human and veterinary applications for solutions. St. George's University with its Schools of Medicine, Veterinary Medicine, Arts and Sciences, and Graduate Studies Programs focuses on the One Health One Medicine approach in meeting the global health needs.
How to Build an Online Income Stream. Promise to You - Start Earning Income After Completing Section 1 (approx one hr)
A Weekly Podcast for Teachers and Students, with Marketing Tips, Interviews, Discounts and Free Course Recommendations
Small business owners have limited time & resources. Learn how to increase your bottom line, online.
How do you transfer a face-to-face course to online without turning it into a correspondence course? Participants will explore online teaching in the very environment that their future students will be experiencing. Participants will understand online learning processes, how to promote interactive work and critical thinking, re-design learning activities, effectively manage the online classroom, and assess the online student
This course explores the concept of online reputation and its potential impact on participants
How to setup and manage an online registration system with LeagueAthletics.com's Sports Management Software.
This article provides information about online and email counseling as viable alternatives to face-to-face therapy. As t
In this free online course Operating Systems - Introduction to Memory Management you will learn about the different models for memory management. You will learn about virtual memory and segmentation the more modern versions of memory management compared to the models. You will learn about booting up a computer system and how and what it loads up till it gets to the user’s process.<br /><br />The course begins by introducing you to memory management in a computer system. You will learn about the single contiguous model and the partition model for memory management. You will learn about virtual memory, its structure and how the virtual address is mapped to a physical one.<br /><br />Next, you will be introduced to segmentation. You will learn how segmentation is more logical in dividing up a process compared to virtual memory. You will also learn how segmentation maps to physical addresses. You will learn about the structure of the xv6 operating systems memory and about the booting process when a computer system is powered on.<br /><br />This course would be of great interest to computer science students and computer engineers, and anyone who wants to learn more about memory management in computer operating systems.<br /><br />Perquisites: Learner will need to have completed the previous course Introduction to Operating Systems.
In the free online course Operating Systems - Introduction to Scheduling you will learn about scheduling processes in an operating system. The course also reviews methods for scheduling with a single processer, multi-processers, and scheduling in a Linux operating system.<br /><br />The course begins by introducing you to process scheduling. You will learn about the two types or classifications for processes: first come first serve scheduling and its advantages and disadvantages, and other scheduling techniques such as Shortest job first and Round Robin scheduling and what they involve. You will learn about priority based scheduling and about setting priorities for your processes, and techniques for multi-processer scheduling and how they work.<br /><br />Next, you will be introduced to scheduling in a Linux operating system. You will learn how Linux classifies processes into real time and normal processes, about the different schedulers Linux has used in their systems and how they work. The course also covers Completely fair scheduling (CFS), the main scheduler used in Linux currently, and how the CFS selects processes for running.<br /><br />This free Alison course will be of great interest to computer science students and computer engineers, and anyone who wants to learn about scheduling in computer operating systems<br /><br />Perquisites: The learner will need to have completed the previous courses: Introduction to Operating Systems, Introduction to Memory Management, Introduction to Operating Systems Processes and Introduction to Operating Systems Interrupts.
In the free online course Operating Systems - Introduction to Synchronization you will learn about Inter-process Communication (IPC) for process communication and data sharing. The course also introduces you to shared memory, message passing and signals all methods for IPC. <br /><br />You will learn about the critical section and problems accessing the critical section. You will learn about ways to access the critical section and how hardware can also help accessing it. <br /><br />The course begins by introducing you to Inter Process Communication (IPC). You will learn the main ways processes share data and communicate with each other. The course then introduces process synchronization and the Critical section, how to access the critical section using interrupts and build your own solution.<br /><br />Next, you will be introduced to the bakery algorithm, which is another method for accessing the critical section. You will learn about how hardware can help with accessing the critical section, and about the test & set instruction, why Intel doesn’t support it but instead has its own xchg instruction. You will learn about Spinlocks, Mutexes and Semaphores and how they help with accessing the critical section. <br /><br />This free Alison course will be of great interest to computer science students and computer engineers, and anyone who wants to learn about Inter-process communication in computer operating systems.<br /><br />Perquisites: The learner will need to have completed the previous courses; Introduction to Operating Systems, Introduction to Memory Management, Introduction to Operating Systems Processes, Introduction to Operating Systems Interrupts and operating systems scheduling.
In the free online course Operating Systems - Understanding Hardware and Software Interrupts you will be introduced to interrupts and will learn operating how systems handle interrupts. <br /><br />The course begins by introducing you to interrupts in an operating system. You will learn about the different types of interrupts and how a system handles a hardware interrupt. You will learn about a programable interrupt controller and how it handles hardware interrupts. You will learn about the advanced programable interrupt controller, and how it is used for modern system. You will learn about steps in handling an interrupt. You will learn about what the CPU and operating system do in each of the steps in handling an interrupt.<br /><br />Next, you will be introduced to software interrupts, and how they are used for implementing system calls. You will learn about how system calls work and about some of the different types of system calls you can use. You will learn about the parameters passed into a system call and where they come from. You will learn what a resource descriptor is used for in a system call. You will learn about CPU context switching and when the occur. You will learn about the trap frame and what happens when a software interrupt occurs. You will learn about context switch overheads and factors effecting context switching time.<br /><br />This course will be of great interest to computer science students and computer engineers, and anyone who wants to learn more about Interrupts in computer operating systems.<br /><br />Perquisites: The Learner will need to have completed the previous courses: Introduction to Operating Systems, Introduction to Memory Management, Introduction to Operating Systems Processes.
In this free Alison course Operating Systems - Deadlocks and Threads you will be introduced to the important concepts of deadlocks and threads and their occurrence in operating systems. <br /><br />The course begins by introducing you to deadlocks. You will learn about the four conditions necessary for a deadlock to arise and how to prevent deadlocks from happening. The course also explains the concept semaphores and their role in deadlocks. You will also learn about the role of mutex in preventing deadlocks and be able to explain the dining philosopher’s problem. <br /><br />Next, this course will introduce you to threads. You will learn the difference between threads and processes and explain how different operating systems supports the use of threads. You will also learn about paralyzation and how threads are used in paralyzation. In addition, the course will also describe to you how threads are created and destroyed.<br /><br />This free course will be of great interest to computer science students and computer engineers, and anyone who wants to learn more about deadlocks and threads in computer operating systems.
In this free Alison course Operating Systems - System Security you will be introduced to methods and techniques that are used to secure operating systems from malicious bugs and viruses. Security has become extremely important in the modern digital age because systems are always on and are highly connected, and hackers and cyber-criminals are always looking for ways to insert malicious programs into vulnerable operating systems. <br /><br />The course begins by introducing you to secrecy, integrity, and availability with regard to security goals. You will learn about the denial of service attacks and the different access control techniques that can be used. This course will introduce you to information flow policies and leaky states and will also inform you about the difference between the Biba model and Bell-LaPadula module.<br /><br />Next, the course will provide you with in-depth knowledge on buffer overflows and stacks. You will learn about the use of buffer overflows and how an attacker can use these to create an exploit code. You will be able to implement different techniques to overcome buffer overflow vulnerability. This module will also explain libc and ‘how to return libc attacks’. Finally, you will learn what gadgets are in operating systems and how they can be used. <br /><br />This free course will be of great interest to computer science students and computer engineers, and anyone who wants to learn more about systems security in computer operating systems.<br />
The story of Germany's dramatic attack upon American tankers and freighters by U-boats during the Second World War
Gain fundamental insights to world of Operations Management from award winning Professor Gad Allon
With no business model and a company that was barely solvent, Baidu CEO Robin Li quickly realized that his customer base
Scott Kriens describes how Juniper was able to take advantage of the rapidly growing internet router space. He states th
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