Computer power systems have their own language and architecture. In this video, you’ll learn about amps, volts, power calculations, current, voltage, power supply sizing, power supply options, and much more.
Every device in our computer needs power, and there are many different ways to get the right voltages to the right component. In this video, you’ll learn about SATA power, Molex connectors, ATX 12 volt connectors, EPS 12 V power, PCI Express power interfaces, and the primary motherboard power connectors.
Computer Power Connectors – CompTIA A+ 220-901 – 1.8 Read More »
We use many different methods to send data over wired and wireless networks. In this video, you’ll learn about analog and digital communication, data transfer speeds, connection quality, frequencies, and much more.
Connection Characteristics – CompTIA A+ 220-901 – 1.7 Read More »
We rely on our wireless networks to provide connectivity for almost all of our computing devices. In this video, you’ll learn about infrared, near field communication, Bluetooth, and 802.11 wireless networks.
Wireless Interface Speeds and Distances – CompTIA A+ 220-901 – 1.7 Read More »
We use many different cables and connectors with our computers. In this video, you’ll learn about some of the most popular interface speeds and distances.
Computer Interface Speeds and Distances – CompTIA A+ 220-901 – 1.7 Read More »
Our CPU is one of the hottest devices in our computer, so it’s important to have an efficient cooling system. In this video, you’ll learn how heat sinks, on-board fans, case fans, liquid cooling, and passive cooling can be used to keep your system running at peak efficiency.
Our modern processors can do much more than traditional CPUs. In this video, you’ll learn about the speeds of CPUs, on-board caches, hyper-threading, virtualization features, and much more.
Understanding CPU Characteristics – CompTIA A+ 220-901 – 1.6 Read More »
Intel and AMD continue to produce a wide range of processors, and you’ll find many different CPU sockets in use on today’s motherboards. In this video, I’ll summarize the important Intel and AMD CPU sockets that you’ll need to know for your CompTIA 220-901 A+ certification exam.
An Overview of CPU Socket Types – CompTIA A+ 220-901 – 1.6 Read More »
There are many ways to combine our storage devices to increase performance or provide redundancy. In this video, you’ll learn about the most popular RAID types used in our storage systems.
