From the course: CompTIA A+ Core 1 (220-1101) Cert Prep
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Virtual memory
From the course: CompTIA A+ Core 1 (220-1101) Cert Prep
Virtual memory
- If there's an old adage that says you can't be too rich or too thin. Now, I may not totally agree with that, but I'll put a corollary to it and I'm going to say, you can't have too much RAM in a computer. Everything you do on your computer counts on your RAM. Every active program that's running needs RAM in order to have the workspace that needs to do what it needs to do. Now, if you run out of RAM, you can run into a big problem. Let me show you what I'm talking about using a beaker I've got over here. Here's a graduated beaker. Now this beaker's going to represent all of the memory, all the RAM in my computer. So you'll see I've got a graduated from zero up to 16 gigabytes, because, well, that's how much memory I have in my PC. Now when I boot that computer up, some of this is going to be used for the operating system itself. So in Windows it's usually around two gigs. Now as we begin to load more and more programs, they begin to take up more and more space in this beaker. So some…
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Contents
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USB standards10m
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Understanding USB10m 38s
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Configuring USB7m 10s
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Thunder and lightning5m 15s
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Optical media9m 42s
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Readers and scanners6m 35s
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Common peripherals5m
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Webcams and videoconferencing3m 17s
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Installing and troubleshooting expansion cards5m 19s
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Monitor technologies7m 40s
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LCD breakdown4m 5s
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Graphics cards and connections12m 54s
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Resolutions and aspect ratios6m 7s
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Installing a graphics card6m 35s
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Multiple monitors4m 39s
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Projectors4m 40s
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Troubleshooting display technologies4m 38s
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Introduction to TCP/IP14m 10s
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Dynamic IP addressing9m 39s
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IPv66m 53s
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Port numbers11m 41s
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TCP, UDP, and ICMP5m 47s
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Understanding DNS10m 56s
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Working with DNS7m 3s
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Routers11m 24s
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Basic router configuration11m 49s
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Virtual LANs (VLANs)8m 4s
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Network troubleshooting5m 15s
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Beyond the LAN2m 45s
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Internet tiers5m 50s
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Broadband connections11m 15s
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Firewalls and servers6m 4s
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Email7m 31s
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Proxy servers6m 12s
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Virtual private networks (VPNs)7m 49s
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Internet of Things (IoT)3m 36s
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Troubleshooting internet connections6m 47s
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Laser printers12m 28s
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Inkjet printers7m 47s
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Impact printers3m 56s
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Thermal printers3m 27s
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Installing a local printer13m 44s
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Sharing printers6m 9s
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Installing wireless and cloud printers8m 48s
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Troubleshooting printers10m 8s
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3D printing6m 27s
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