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OpenBSD is a free, open-source operating system derived from BSD. History Its development began as the NetBSD project in 1993, founded by Theo de Raadt, Chris Demetriou, Adam Glass, and Charles Hannum. De Raadt parted ways with NetBSD in 1995, forking the NetBSD 1.0 code and continuing its development under the name OpenBSD. The first official release of OpenBSD was version 1.2 in July 1996. Purpose and use cases The stated goal of OpenBSD is to be the most secure operating system available, and its developers strive to patch security vulnerabilities “before anyone else....

Short for Physical Address Extensions, PAE is a memory management extension that enables a 32-bit Intel (IA-32) compatible processor to address more than 4 GB (232) of physical memory. PAE was first released in 1995 with the introduction of the Intel Pentium Pro and today is supported in all recent processors and operating systems. PAE * Supports > 32-bit physical addresses Computer acronyms, Memory terms If you want to detect if your computer supports PAE, the Windows Sysinternals Coreinfo utility can detect PAE and other processor information....

Rich media describes video, audio, 3-D model, or animated GIF files embedded into another file or piece of code. Using HTML features, external content can be directly baked into an online advertisement or an Adobe PDF. Unlike linking or attaching files, which requires them to be downloaded locally or hosted on an external website, rich media content is included in the same file. For example, if you created a PDF job application containing a video resume embedded as rich media, you wouldn’t need to provide any other files for the video to be playable....

You may have heard about applications running in “kernel” or “user” mode. It’s all down to how operating systems work when they do their jobs. Once you understand that, it’s easy to grasp the difference between user mode and kernel mode. Understanding What an Operating System Does A computer consists of hardware, the electronic components, and software, the computer code executed by that hardware. But what may be less clear is how they work together....

The following list was created for users who enjoy computers but are uncertain what field to enter. Each section contains a description of a job, the requirements, and recommendations on how to proceed if you’re interested. Computer Hope is not hiring for any of these positions. When jobs are made available, they are posted on our hiring page. This page does not contain salary information because it varies greatly depending on the company and its location....

A hot-swappable device is hardware that can be safely connected and disconnected while the computer is powered on and running. In this article, we’ll look at which components in a computer are hot-swappable, and how you can use them. What can be plugged-in or unplugged while the computer is on? Audio ports. (E.g., speakers, microphone, headphones, etc.) FireWire devices. Modem/phone cord (RJ-11). Monitor, flat-panel, or another display (VGA, SVGA, and HDMI)....

Difficulty Difficult Steps 35 Time Required 30 minutes - 1 hour Sections 3 Upper Plastic Case 6 steps Lower Metal Case 9 steps Disc Drive 20 steps Flags 0 BackXbox One X Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction Turn off the console and unplug any cables before beginning this guide. Follow general electrostatic discharge (ESD) safety procedures while repairing the console....

Difficulty Moderate Steps 41 Time Required 30 minutes - 1 hour Sections 5 Back Panel 7 steps Fan 3 steps Optical Drive Removal 6 steps Center Chassis Assembly 6 steps Power Supply 19 steps Flags 0 BackXbox Series X Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction Before you begin, completely power down and unplug all cables from your console....

Cloud gaming is a technology that allows users to play hardware-intensive games on any device or platform, assuming they have the bandwidth. A user’s input (keyboard, mouse, touch screen, etc.) is sent to a server where it is processed by a powerful computer, returned, and then output (displayed) to a screen or monitor. You can think of it like playing someone else’s computer from your TV, PC, or smartphone. However, as the data has to travel and be computed, cloud gaming suffers from latency issues....

Short for electronic publication, ePUB is a free and open e-book standard created by the IPDF (International Digital Publishing Forum). The file extension for an ePUB file is .epub. ePUB is designed for “reflowable” content, which indicates the layout of an ePUB publication can be adjusted for a particular display mode or device. For compatibility, ePUB also supports fixed-layout content. ePUB uses XHTML 1.1 to represent the content of the book....

HD may refer to any of the following: HD is an initialism used for hard drive, although you may also see it written as “HDD” for hard disk drive. Short for high definition, HD describes a standard of digital video or audio. For video, it means 1280 x 720 pixels, or 720p on televisions. See the HDTV definition for further information and related links. For audio, HD means sound with 16-bit depth and at least a 44....

Short for International Typeface Corporation, the ITC is one of the lead distributors of various typeface designs that was first founded in 1970. In 1986, ITC was acquired by Esselte Letraset that later sold all ITC assets to the Agfa Monotype Corporation in 2000. Computer acronyms, Font, Typeface, Typography terms

Reseat describes removing an expansion card or RAM from the computer and then putting it back into the same slot. This process is a common troubleshooting technique. It helps verify that a loosely connected device or connection is not causing your computer issues. Expansion card, Hardware terms, RAM This term also describes disconnecting and connecting a cable to make sure it’s firmly connected. Related information How to open a computer case....

The S band is a small section of radio frequencies with wavelengths ranging between 2 and 4 GHz, making them part of the microwave spectrum. They are used by the radar systems of weather monitoring devices and nautical vessels and by communication satellites. A good example would be the satellites used by NASA to communicate with space shuttles and the International Space Station. In consumer technology, S-band radio waves are used by satellite media transmissions such as Sirius XM radio, and some satellite television services....

User-generated content refers to content on a website or online platform submitted by a user instead of the website’s owner. Some websites, like forums, wikis, and social networks, are entirely based on user-generated content. Others, like personal blogs, government websites, or news publications, may not include any user-generated content. While the staff at a website doesn’t create user-generated content, it is most likely monitored and regulated to avoid harmful or illegal activities....

Now known as Sirius XM radio, XM is a paid satellite radio service. It provides the listener with hundreds of commercial free music and talk radio stations. The service was launched on September 25, 2001. On June 29, 2008, XM and Sirius completed their merger and combine their services into one service, which later began being broadcast as one service on November 12, 2008. Radio, Satellite

Difficulty Easy Steps 17 Time Required 15 - 30 minutes Sections 3 Hard Drive 9 steps Disc Drive 2 steps Xbox Philips DVD Drive Disassembly 6 steps Flags 1 Member-Contributed Guide An awesome member of our community made this guide. It is not managed by iFixit staff. BackXbox Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications...

Featured Featured Guide Difficulty Moderate Steps 36 Time Required 1 - 2 hours Sections 4 Back Cover 8 steps Midframe 12 steps Battery Disconnection 1 step Screen 15 steps Flags 1 Featured Guide This guide has been found to be exceptionally cool by the iFixit staff. BackXiaomi Redmi Note 10S Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes...

Student-Contributed Wiki An awesome team of students from our education program made this wiki. Drone has a broken body part that hinders its ability to work properly. If a propeller arm is broken, try replacing it with the arm replacement guide. If a propeller is broken, it can be easily replaced with the propeller replacement guide. If the landing gear is not working properly, refer to the landing gear replacement guide....

Difficulty Moderate Steps 2 Time Required Suggest a time?? Sections 1 Zanussi Washing Machine Fault Code Reset 2 steps Flags Needs More Images A few more images would make this guide’s procedures crystal clear. Member-Contributed Guide An awesome member of our community made this guide. It is not managed by iFixit staff. BackWashing Machine Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide...