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Use the following guidelines to protect yourself from the risk of electrostatic discharge. Discharge Yourself Easiest way to discharge yourself is to touch the case frame of the PC system. All electrical potential that existed between you and the case is immed...

Learn about what operating systems are and what they do. Without an operating system, programs could only run one at a time, and that program would have to be programmed to communicate directly with the system's resources. In other words, computers are basical...

Learn how RAID (Redundant Array of Independent Disks) works within systems that have multiple drives. RAID basically is a system that combines multiple storage devices under the management of one storage controller card and displays it as a single storage syst...

Learn to use some of the tools in an IT technician starter tool kit. ESD Wrist Strap A safety device used to prevent ESD by safely grounding you while you're working with electronic equipment. ESD damage occurs when static energy that has built up has travelle...

Learn the ways a printer can be setup on a network. Local Requires direct connection to a specific computer. Can be connected wirelessly, wire, or via an Ethernet cable. Shared Connects directly to a computer and is shared on the network the computer is con...

Explain basic change-management best practices. Change management is the method that companies use to ensure that change are implemented as smoothly and effectively as possible. Change Requests Organizations have an official approval procedure for making chang...

Learn how to properly handle sensitive user data according to the law. Mishandling sensitive user data like financial, personal, and healthcare information puts your organization at risk to legal action from the government. Finances Organizations are (mostly, ...

Learn the numbering systems and standards used to identify network devices. IP addresses are based in the three numbering system used by computers: decimal (base 10) binary (base 2) hexadecimal (base 16) Hexadecimal is a special number system. Since the Lat...

Learn about the different social engineering attacks. Social engineering is the practice of manipulating and exploiting the biggest flaw with technology, people, in order to gain unauthorized access to secure data. There are several different social engineerin...

Learn the basic functions of a power supply, the hardware component that provides electricity to the system. An ATX power supply means that the battery adheres to the ATX form factor specifications. Back Panel On the back panel, you'll find a power switch and ...

Learn the different ways a printer can be connected to a computer or network. Network Printing Network printing allows users to use their printing resources more efficiently compared to traditional printing. It requires all workstations to be connected to a ne...

Learn the concept of digital audio. Digital audio involves taking standard audio signals and converting it into binary data that the computer can use, process, and store. The natural sounds that we hear every day is referred to as analog audio. The audio card ...

Learn the functionality of a capture card. A capture card is a device used in tandem with a dedicated computer to capture on-screen content. The captured content is encoded for playback in either a livestream or a high-quality video file. You can use capture c...

Learn the different types of CPU sockets installed on motherboards. Land Grid Array LGA moves the connecting pins from the processor package to the socket. Conducting pads on the bottom of the processor contact the protruding pins from the processor socket. Pi...

Learn about legacy BIOS, CMOS, UEFI, and EEPROM. BIOS The legacy firmware that's been mostly replaced by UEFI. UEFI improves software interop and fixes the address limitations of BIOS, and it also provides better security against rootkit attacks (malware that ...

Learn how virtual memory works in Microsoft-Windows and how to manage it. Virtual memory in Windows allows the system to use more RAM than the physical memory modules can support. Paging As more applications and programs are being run, the available RAM eventu...

Learn what network protocols to use to protect data being transmitted over the internet. An attacker can potentially intercept and read data sent through a network. It's best to secure transactions by encrypting data sent through a network using some of the fo...

Learn the specifics behind the role and function of a processor. The processor, or the CPU is an integrated circuit that contains millions of logic gates, connected by hairline aluminum strands. The logic gates work together to store and manipulate data. The C...