Laptop computers are the ultimate portable computing device, and their portability means that you’ll need to use many different power sources. In this video, you’ll learn about fixed input power supplies, auto-switching power supplies, and battery technologies.
CompTIA A+ 220-701: 1.10 – Laptop Power Technologies Read More »
Today’s laptops employ many communications methods that use many different technologies. In this video, you’ll learn about Bluetooth, infrared, mobile broadband, Ethernet, and modems.
CompTIA A+ 220-701: 1.10 – Laptop Communications Read More »
Our laptops are powerful portable devices, but there’s often a need to extend the capabilities of a laptop computer. In this video, you’ll learn how docking stations and laptop expansion slots can be used to improve the use and expandability of laptop computers.
CompTIA A+ 220-701: 1.10 – Laptop Expansion Devices Read More »
With adapter cards, we can customize our computers, add new capabilities, and upgrade their features. In this video, you’ll learn about adapter card architectures and the use of adapter cards to extend computer video, multimedia, I/O, and communications.
There are many ways to get data into your computer, and in this video you’ll learn about the most popular input devices. We’ll discuss mice, keyboards, bar code readers, biometric devices, and much more.
We can’t easily use our computers without some type of display device, and you’ve got many to choose from. In this module, you’ll learn about CRTs, display projectors, display connector types, and the specifications you should consider when purchasing a new LCD monitor.
Memory comes in many shapes and sizes. In this video, you’ll learn about RAM, ROM, static RAM, dynamic RAM, synchronous DRAM, and how to calculate the throughput rates of DDR memory.
CompTIA A+ 220-701: 1.6 – Identifying Memory Types Read More »
There are many different memory types and memory technologies, and in this video you’ll learn about memory parity, ECC memory, memory sides, and memory channels.
A hot computer is an unhappy computer. In this video, you’ll learn show heat sinks, cooling fans, liquid cooling systems, and thermal compound are important to keep our computers running cooler and more efficiently.
CPUs are extremely complex components, and their inner-workings can contain a mix of memory caches, multiple processor cores, and advanced queuing mechanisms. In this video, you’ll learn how these technologies work together to create today’s modern central processing units.
