Search Results

Learn the different types of displays and their configurations. The primary output source of any mobile device is the screen. They come in many sizes, configurations, and resolutions, and many are made to withstand movement and vibration while others sense you...

Be aware of environmental concerns while working on computer systems. Disposal Some materials that you'll come across while working on systems need to be disposed of in a specific manner. Most communities have laws that dictate which materials you can and can'...

Learn what protocols are in use in computer systems and what ports they're commonly associated with. A protocol is a set of rules that defines how data should be sent between two computer systems. Each protocol uses a specific port on a computer, so that infor...

Learn about the different types of laptops, their similarities to desktops, along with their components and connectivity. Mobility Laptops are designed for mobility. They're built small and resilient in order to withstand placement in backpacks, briefcases, pu...

Learn how to choose the appropriate memory module for a given PC system. Memory Type Find out what types of RAM are supported by your PC system. Check motherboard documentation Check online resources like forums, YouTube videos, and memory manufacturers e.g. ...

Learn common file locations that are used in Windows-based systems.o Name Purpose Location Program Files Stores application data and required files for x64 apps. C:\Program Files Program Files Stores application data and required files for older, depr...

Learn to configure the password policy on Microsoft-Windows systems. Policy list: Minimum Password Length Password Complexity Requirements Maximum Password Age Enforce Password History Minimum Password Age Account Lockout Policy Account Lockout Threshold Acco...

Learn the common sound card ports. #III Port Description Image Mini Tip Ring Sleeve (TRS) 3.5mm plugs for analog audioPink = Mic in (mic-level)Light blue = Line in (line-level)Lime green = Line out (front speakers or headphones)Black = Line out (rear sp...

Learn the process that a PC undergoes when it's booting. Power: Power to the CPU CPU looks for special memory address that contains it's code CPU code looks for pointer that holds location of the BIOS/UEFI program CPU loads and runs BIOS/UEFI Run POST Checks...

What the title said. Protection Remember to take adequate measures to prevent ESD from happening. Use a static mat (clip yourself to it) Verify Compatibility Verify that the processor and motherboard you're going to install it into are compatible. Also make ...

Learn the different implementations and features of video cards. Video Card Components Video cards contain two main components, a Graphics Processing Unit (GPU ) and it's own dedicated video memory. The purpose of the GPU is to process all graphical informatio...

Follow the following practices to ensure your safety when handling power components. Power Power hazards can cause electrical shock and burns. Before handling a system component: Make sure the system is powered off <-- DO THIS FIRST!!! Remove any worn jewelry...

Learn about backups and how and when to perform them. A backup is an archived copy of data you can use to restore corrupt or lost data in the event of a hardware or system failure. Plan for disasters and take the necessary actions to protect systems before the...

Learn how expansion cards enable aging systems to keep up with the latest features and upgrades. In the olden days of computing, when a new feature released and you wanted your PC to have it, there was no other way to get that feature except scrapping your old...

Learn the different types of ports and their functions that can be found on a laptop. Due to the proprietary nature of laptops and notebooks, some features and ports might not appear on all laptops, as it's entirely up to the manufacturer to decide what goes o...

Learn the concepts behind battery power technologies. All laptops and other portable devices use some sort of battery. By definition, a battery is power storage that provides electricity to the device it's connected to. Battery Types Nickel Cadmium (NiCd) The ...

Learn about how to troubleshoot and maintain laser printers. Laser printers are fast, produce high quality printouts, and reasonably inexpensive to use and implement in an enterprise setting, which is why they're highly used. Laser printers use a process and m...

Learn about embedded systems. Embedded systems are complete computer systems that are designed to perform a specific, dedicated task. Examples include phones, household appliances, and industrial machines, making them prime targets for attackers. Characteristi...