Storage devices and backup media
The storage is where we save or backup our files. The most common storage device and backup medias are: floppy disk drive, hard disk drive, optical drives, and removable storage devices.
Motherboard components, types and features
A motherboard is “a circuit board in a minicomputer or microcomputer through which all signals are directed.” The motherboard is one of the most important components of a computer.
Power supplies types and characteristics
The power supply is an electronic device that supplies electric energy to an electrical load. The power supply of a computer converts the alternating current to direct current.
Purpose and characteristics of CPUs and their features
The main purpose of the CPU is to control and direct all the activities of the computer using both external and internal buses. There are also many ...view middle of the document...
Some of the most common display devices are: Projectors, CRT, LCD. Liquid crystal Display or LCD is the most used today. There are also some connector types that can be connected to computers: VGA, HDMI, S-Video, RGB, DVI.
Function and types of adapter cards
The adapter card or expansion cards are printed circuit boards that can be inserted into an expansion slot of a computer motherboard and they are designed to add versatility and expand the functionality of a computer. There are many types of adapter cards that go into a computer system. Some examples are video cards, multimedia cards and input/output cards.
The troubleshooting theory
If you encounter some problems in your computer, you have to do some troubleshooting. First, you have to identify the problem. It could be problems with the hardware, software, the user or the environment. Then, you have to try many things in order for you to solve those problems or maybe get some helps from the internet.
Interpret common hardware and operating system symptoms and their causes
There are many common problems you might encounter when using a computer. It might be a hardware problem or a software problem. Here are just some of the most common hardware and software symptoms: Bluescreen, System lock-up, problems with installing application or start issues.
Process and steps to install and configure the Windows OS
There are steps and procedures that you have to follow in configuring or installing Windows Operating system. There are also some installation methods.
Basics of boot sequences, methods and start-up utilities
There are basic boot sequences, methods and start-up utilities. They are: Disk boot order/device priority the disk boot order describes the order of devices in BIOS. Boot devices is the drive that the computer uses to load an operating system. Boot options if you want to boot in safe mode or to start windows normally. And lastly, the recovery options/recovery console, System recovery is the process of resetting the system to a former state or condition.