CompTIA A+ 220-1101

There are many ways to store and access files on our computing devices. In this video, you’ll learn about hard drives, solid state drives, flash memory, and optical drives. << Previous Video: Memory Technologies Next Video: RAID >> One way to store a lot of information on our computing devices is through the use of […]

Our system RAM can provide a number of different features. In this video, you’ll learn about virtual memory, multi-channel memory, parity memory, and error correcting code (ECC) memory. << Previous Video: An Overview of Memory Next Video: Storage Devices >> Let’s start our conversation about memory technologies with what we do when we run out

Memory is a critical resource for our computing devices. In this video, you’ll learn about DIMM sizes, SDRAM, DDR data transfers, and DDR3, DDR4, and DDR5 RAM. << Previous Video: Fiber Connectors Next Video: Memory Technologies >> If you’ve ever installed an application or an operating system, you’ll notice there’s a specification that requires you

Many of our device connectors are made over copper cables. In this video, you’ll learn about RJ11, RJ45, USB, Lightning, and other copper connector types. << Previous Video: Copper Connectors Next Video: An Overview of Memory >> If you’re working in a large computing environment or you’re working in a data center, you probably have

Many of our device connectors are made over copper cables. In this video, you’ll learn about RJ11, RJ45, USB, Lightning, and other copper connector types. << Previous Video: Adapters and Converters Next Video: Fiber Connectors >> If you’ve connected a traditional analog telephone or you use DSL on your network, you’ve probably used an RJ11

We don’t always have the right cable for the job. In this video, you’ll learn how adapters and converters can be used to switch between video and data connections on our desktop and mobile devices. << Previous Video: PATA Device Cables Next Video: Copper Connectors >> It happens to all of us. We’re ready to

PATA is a common storage drive connection type on many legacy computers. In this video, you’ll learn about the PATA connector, storage drive connections, and the differences between a PATA and SATA data cables. << Previous Video: SCSI Device Cables Next Video: Adapters and Converters >> If you’re working with some legacy equipment, you may

SCSI has been an industry standard for decades. In this video, you’ll learn to recognize SCSI cables and the difference between SCSI connections over parallel and serial links. << Previous Video: SATA Device Cables Next Video: PATA Device Cables >> SCSI or what we refer to in the industry as SCSI, is the Small Computer

The SATA standard can be used to connect both internal and external storage devices. In this video, you’ll learn about the interfaces and cables used for both SATA and eSATA links. << Previous Video: Video Cables Next Video: SCSI Device Cables >> One very common interface type for our storage devices inside of our laptop

There’s more than one way to connect a video output device. In this video, you’ll learn about VGA, HDMI, DisplayPort, and DVI cables. << Previous Video: Peripheral Cables Next Video: SATA Device Cables >> A video format that’s been around for a very long time is the VGA type connector. That stands for Video Graphics