Chapter Summary
> Many IT roles require detailed knowledge of PC hardware and software.
> Computer technicians should actively listen, have a positive attitude, and use logic when solving problems.
> The CompTIA A+ certification requires two exams: 220-1001 and 220-1002. Many people break into the IT field with this certification.
> IT staff must be proficient at searching for information on the Internet, capturing files, and documenting technical information.
> Computers consist of hardware (the physical parts), software (the operating system and applications), and firmware (hardware that contains software).
> A technician needs to be able to identify important computer parts installed in a computer and as standalone parts: case, keyboard, mouse, motherboard, monitor, power supply, hard drive, optical drive, adapter, and memory.
> A technician needs to know the purposes of common peripherals used in industry: printer, ADF/flatbed scanner, barcode/QR scanner, VR headset, touchpad, signature pad, game controller, camera/webcam, microphone, speakers, headset, projector, external storage device, KVM, magnetic/reader, chip reader, NFC/tap-to-pay device, and smart card reader.
> Mice, keyboards, and touchscreens are important input devices. Mice and keyboards can be wired or wireless.
> Safety is important when working on a computer. Power it down and remove the power cord before working inside it.
> Use proper lifting techniques when servicing equipment.
