Join Mike Meyers for an in-depth discussion in this video External connections, part of CompTIA A+ Exam Prep (220-901) Part 1: Core Processing.
- Woohoo, I've got this new super duper powerful computer…and I'm really excited to do something with it…but there's a problem.…The problem is I don't have any peripherals.…I don't have a monitor, a keyboard or a printer…or all those other fun things we need…to make our computers work.…So what I want to talk about right now…is the idea of ports.…There's all kinds of different standardized ports…we see on the typical PC today…and let's make a point to tour around this system…and discover the names of all of these different ports.…
(Latin music)…Now we're looking on the back of my system here…and you notice there's all kinds…of different connectors here…but let's start with probably the most important one…and that's USB.…So what you're looking at here is…what's called a USB A connector…but for right now,…I just want you to recognize this as a USB connector.…USB is used for just about everything.…You would be hard pressed to come up with a peripheral…that doesn't have a USB connection to it.…So what I want to do is…
The CompTIA A+ 220-901 exam is comprised of six key parts. The first, core processing, is covered by this course. Instructor Mike Meyers explains the fundamentals of PCs, microprocessors, RAM, and BIOS. He also shows you how to set up, connect, maintain, and troubleshoot the main components of a computer.
Note: The six courses designed for the CompTIA A+ (220-901) exam preparation include core processing, core hardware, peripherals and building a PC, displays and printers, networking, and laptops and mobile devices.
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- How do personal computers (PCs) work?
- What is a central processing unit (CPU)?
- When is random access memory (RAM) used?
- What is a basic input/output system (BIOS)?
- Installing a CPU
- Working with extensions and sockets
- Troubleshooting RAM
- Setting up a BIOS