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CompTIA A+ Certification Core 1 (220-1101) - Encrypting Mass Storage
Securing mass storage is a critical aspect of system security. Make sure you know the many ways a system's mass storage can be encrypted. This clip is from the chapter "Book Chapter 9 - Implementing Mass Storage" of the series "CompTIA...
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CompTIA A+ Certification Core 1 (220-1101) - Hardware RAID
Hardware RAID uses a purpose-built RAID controller to configure and maintain RAID arrays. It's important to understand the benefits of hardware RAID and how to configure and maintain RAID arrays. This clip is from the chapter "Book...
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CompTIA A+ Certification Core 1 (220-1101) - Solid-State Drives (SSDs)
Solid-state drives (SSDs) are quickly replacing HDDs for mass storage needs on almost all computers. SSDs are faster and more robust than HDDs and come with their own maintenance needs. This clip is from the chapter "Book Chapter 8 -...
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CompTIA A+ Certification Core 1 (220-1101) - Magnetic Disk Drives
Hard disk drives (HDDs), which store data on rotating magnetic disks, have been the go-to mass storage media for decades. A good tech understands how this venerable media works and understands magnetic media's unique needs. This clip is...
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CompTIA A+ Certification Core 1 (220-1101) - Introduction to Mass Storage
Mass storage (disk drives and solid-state drives) store the operating system and applications. Despite the different technologies, systems talk to these many devices in similar ways. This clip is from the chapter "Book Chapter 8 - Mass...
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CompTIA A+ Certification Core 1 (220-1101) - Installing and Troubleshooting a PSU
Knowing how to install and troubleshoot errors with power supplies is essential. While it is generally a simple process, there are some things to look out for. Let's go through installing and troubleshooting a PSU together. This clip is...
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CompTIA A+ Certification Core 1 (220-1101) - Choosing a Power Supply
Power supplies come in a dizzying array of power ratings, sizes, and efficiencies. A good tech understands these factors to make sure a system has the power it needs. This clip is from the chapter "Book Chapter 7 - Power Supplies" of the...
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CompTIA A+ Certification Core 1 (220-1101) - The Power Supply
A PC power supply takes AC power from the grid and transforms it into DC voltage the system needs to run. This episode explores modular and non-modular power supplies. This clip is from the chapter "Book Chapter 7 - Power Supplies" of...
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CompTIA A+ Certification Core 1 (220-1101) - Choosing the Right Motherboard
The motherboard is the backbone of a PC. The type and model of motherboard that you choose can have a profound impact on your system and often determines which components you are able to use. What should you look for when picking out a...
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CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Firmware
A system's BIOS is robust and rarely causes trouble, but when it does a good tech must be ready to troubleshoot. Understanding a few simple tricks can make troubleshooting easier. This clip is from the chapter "Book Chapter 5 - Firmware"...
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CompTIA A+ Certification Core 1 (220-1101) - System Setup
A small system-setup program built into the motherboard firmware enables techs to configure low-level features and options for the system's hardware. A good tech needs to know how to access and use the system set up on any computer. This...
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CompTIA A+ Certification Core 1 (220-1101) - POST
The power-on self-test (POST) takes place every time a system starts. POST checks the system and communicates any problems it finds to the user. This clip is from the chapter "Book Chapter 5 - Firmware" of the series "CompTIA A+...
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CompTIA A+ Certification Core 1 (220-1101) - What Is BIOS?
Basic Input/Output Services (BIOS) is code (firmware) built into every motherboard to give the CPU basic communication with the hardware attached to the motherboard. BIOS is a critical part of the PC, and a good tech needs to understand...
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CompTIA A+ Certification Core 1 (220-1101) - RAM Features
DRAM varies in other ways, such as single-sided or double-sided DRAM. Different motherboards may or may not be able to take advantage of these features. This clip is from the chapter "Book Chapter 4 - RAM" of the series "CompTIA A+...
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CompTIA A+ Certification Core 1 (220-1101) - RAM Technology
Dynamic random-access memory (DRAM) comes in a number of versions defined by the doubling of commands they process per clock cycle. It's important for techs to recognize these technologies and the speed rating systems used. This clip is...
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CompTIA A+ Certification Core 1 (220-1101) - SCSI
The Small Computer System Interface (SCSI) has been around in one form or another for decades. Despite its age, SCSI drives still appear in niche systems. It's important to recognize SCSI systems and where they're used today. This clip...
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CompTIA A+ Certification Core 1 (220-1101) - Cooling Your System
Previously we discussed the types of heat sinks, fans, and liquid cooling that are used to lower component and system temperatures. Now we will look at keeping your system cool through even the most difficult of tasks. This clip is from...
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CompTIA A+ Certification Core 1 (220-1101) - Chipsets
A motherboard chipset determines the RAM capacity, USB capabilities, CPU architecture, and more. Mike explains how the modern chipsets have evolved over the years and why they matter today. This clip is from the chapter "Book Chapter 6 -...
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CompTIA A+ Certification Core 1 (220-1101) - Installing and Troubleshooting RAM
Upgrading your RAM is one of the quickest tasks that you can do to immediately increase system performance. Whether you are doing a new PC build, or simply updating your system, you are going to need to know how to install and...
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CompTIA A+ Certification Core 1 (220-1101) - Virtual Memory
Running out of memory is something we try to avoid. All operating systems use virtual memory (or RAM), a part of your mass storage set, to act as (very slow) memory in case your real memory runs out. This clip is from the chapter "Book...
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CompTIA A+ Certification Core 1 (220-1101) - Choosing the Right CPU
Choosing a CPU that meets all your needs is one of the most important decisions you will make when building your PC. The wrong choice can mean a computer that does not perform the tasks needed or quickly becomes outdated. Since we have...
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CompTIA A+ Certification Core 1 (220-1101) - Modern CPUs
The modern processor is loaded with features that you need to know in order to excel as a PC technician. Let's examine some of the modern CPU's abilities and get hands-on with a tool that has become a necessity when dealing with central...
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CompTIA A+ Certification Core 1 (220-1101) - Primary PC Components
Mike takes you on a tour of the primary PC components including the computer case, monitor, and various peripherals including the keyboard, mouse, speakers, and more. This clip is from the chapter "Book Chapter 2 - The Visible Computer"...
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CompTIA A+ Certification Core 1 (220-1101) - Tools of the Trade
Technicians need the right tools to do their job. These tools include PC toolkits, mobile device toolkits, voltmeters, and circuit testers. This clip is from the chapter "Book Chapter 1 - Safety and Professionalism" of the series...