From the course: CompTIA A+ Core 1 (220-1201) Cert Prep
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What is a computer?
From the course: CompTIA A+ Core 1 (220-1201) Cert Prep
What is a computer?
- Everybody uses terms like CPU, RAM, hard drives. We've heard these terms, but in this episode, I wanna talk about what really is a computer? Now, in order to have a computer, remember why we have them in the first place, it's to get stuff done. We do things like generate spreadsheets, or edit videos or control traffic or play games. No matter what it is, the whole function of a computer is to get something done, either work or play. So, the cornerstone of any computer you're gonna have out there are the CPUs. So, here's a couple of CPUs I've got laying in here. Now, a lot of times, we'll say a CPU is like the brain of the computer, and it's really more like a really super high-speed calculator. And what we do is we write programs that the processor can then do stuff with to manipulate peripherals and to create these things called files to get stuff done. So, we have these huge things called programs. Now, programs can…
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Contents
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USB standards9m 53s
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Understanding USB10m 31s
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Configuring USB7m 3s
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Thunder and lightning5m 4s
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Optical media17m 44s
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Readers and scanners6m 27s
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Common peripherals8m 37s
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Webcams and video conferencing3m 32s
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Installing and troubleshooting expansion cards5m 27s
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Understanding DNS10m 42s
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Working with DNS6m 56s
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Windows naming5m 54s
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Working with workgroups7m 18s
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Windows sharing with macOS and Linux6m 58s
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Routers11m 56s
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Basic router configuration11m 42s
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Firewall configuration10m 31s
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Windows Firewall7m 37s
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Port forwarding7m 5s
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Advanced router configuration7m 44s
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Virtual LANs (VLANs)7m 48s
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Network troubleshooting7m 45s
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Beyond the LAN4m 26s
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Internet tiers5m 41s
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Broadband connections11m 4s
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Firewalls and servers5m 56s
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Telnet and SSH6m 39s
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Remote desktop connections5m
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The World Wide Web8m 47s
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File Transfer Protocol (FTP)6m 49s
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Email7m 23s
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Proxy servers7m 27s
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Virtual private networks (VPNs)7m 41s
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Internet of Things (IoT)3m 28s
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Troubleshooting internet connections6m 39s
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Laser printers12m 19s
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Inkjet printers7m 39s
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Impact printers3m 49s
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Thermal printers3m 19s
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Installing a local printer16m 20s
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Sharing printers9m 46s
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Installing wireless and cloud printers10m 50s
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Social engineering13m 17s
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3D printing6m 19s
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