An Overview of Memory

We know that memory is one of the most critical resources in our computer, but how does it really work? In this video, we’ll look at the fundamentals of memory operation and learn about memory transfer rates, throughput speeds, latency, read-only memory, and the differences between single-sided and double-sided memory.

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The sound of a hard drive gone bad

It’s one of the worst sounds in the world; a hard drive mechanism that’s gone bad. It’s even worse when it’s the sound of YOUR hard drive that decided to up and die. Unfortunately, one of my hard drives recently decided to bite the dust, but I thought I’d use the untimely demise of my hardware to provide you with some insight on what you (or your clients) might expect to hear when a hard drive starts going south.

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A History of CPUs

The history of the modern CPU is a mix of technical prognostication, very smart people, and a drive to expand on our vision of the future. In this module, we’ll follow the path of CPU technology from the origin of the Pentium through the latest in processing technologies from Intel and AMD.

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CPU Sockets

The configurations of CPUs onto a motherboard consist of a diverse set of slots, sockets, and connections. In this video, we’ll highlight some of these sockets types and show how a pin grid array processor fits into the zero insertion force sockets of today’s motherboards.

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CPU Technologies

Modern technological advancements in CPU manufacturing have resulted in amazing increases in processing speed, but they’ve also introduced more complex computing architectures. In this module, we’ll discuss advanced features and technologies that have been integrated into today’s most popular CPUs.

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Professor Messer’s Free CompTIA A+ Certification Training Course – Processors and CPUs

The CPU is the heart and soul of the personal computer, but how does it really work? In this module, we’ll outline the basic structure of the central processing unit, and you’ll learn how the front side bus and system clock work together to enable the raw processing power of the CPU.

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Professor Messer’s Free CompTIA A+ Certification Training Course – Motherboards

The motherboard is the heart of any personal computer. Every piece of a computer touches the motherboard, and the overall performance is directly related to the technologies embedded in the motherboard. In these videos you’ll learn how a motherboard works, how to instantly identify the major components of a motherboard, and how to solve motherboard problems when they occur.

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Professor Messer’s Free CompTIA A+ Certification Training Course – Safety and Tools

One of the most important foundational elements of the CompTIA A+ certification involves the safety of computer professionals and those around them. In these videos, you’ll discover how to protect yourself when working around today’s high-voltage electrical environments and how the proper tools can be the difference when tackling big problems.

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