- The CompTIA A exams use a lot of what I would call…unique terminology when it comes to…the main components of your PC.…So what we're gonna do right now…is nice and slow take a look at…a typical desktop system and define…what the names of all the different components are…and also how they fit into processing,…be them processing, input or output.…So let's just go on down the list here.…This right here, according to CompTIA…is the system unit.…The system unit is where pretty much…all of your storage and all of your processing is done.…
Inside the system unit is your motherboard,…your CPU, your RAM, hard drives,…optical network connections, pretty much…all that is your computer is done here.…Now, a system unit by itself,…as long as it's got electricity…and it's booting up, is a perfectly good computer.…The problem is, is it has to work with these…terrible, terrible things called human beings…and that's why everything else other than the system unit…is a peripheral.…So, starting off, here's a good old monitor here.…
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.
We are a CompTIA Content Publishing Partner. As such, we are able to offer CompTIA exam vouchers at a 10% discount. For more information on how to obtain this discount, please download these PDF instructions.
- 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