A gauge control is a visual component of a user interface that displays information in an analog style, similar to a true analog gauge. It can be used to show the state of dynamically changing data relative to a static minimum and maximum value. Gauge controls can have sub-components and can be used for cosmetic […]
A content audit is crucial for a website’s optimal visibility and user-friendliness. It involves inventorying existing content and making changes to improve website performance. The audit is conducted by an independent team and involves reviewing every section of the website, saving data to an external spreadsheet, and monitoring the website after remediation. Periodic audits are […]
A blacklist check searches anti-spam databases to see if an IP address is blocked from sending emails. It can be done by the domain owner or a monitoring company, and can help identify why an IP is blocked, even if it’s not a source of spam. A blacklist check is a comprehensive search of several […]
SDLC is a protocol used in IBM’s SNA for data transmission through layer two. It was developed for WAN solutions for IBM mainframe computers and uses byte-based transmissions. SDLC frames contain flags, address, control bytes, data payload, and redundant sequence control. SNA environments using SDLC can support different topologies such as point-to-point, multipoint, loop configuration, […]
A motherboard is a circuit board that contains a computer’s major components and provides connections for other components. When buying a used motherboard, compatibility with the PC case, power supply, CPU, memory, connectors, and slots must be checked. Planning ahead is best when building a computer. A motherboard is a circuit board that physically contains […]
Online background checks can be obtained through companies or by searching website databases. They can include criminal records, residency, and other information. Some companies offer discounted rates, but the thoroughness of the check varies. Credit reports are typically only available to authorized individuals. People searches and real estate checks are also common. Prices vary based […]
Regularly updating and running antivirus and anti-malware scans, backing up important files, and setting strong passwords are crucial steps in maintaining computer security. Experts recommend performing a security checkup multiple times a year for maximum safety. Running a computer security checkup is an important part of maintaining your computer. By periodically reviewing and updating security […]
A machine check exception (MCE) is a hardware failure identified by a computer’s CPU during system checks. It triggers a shutdown message, such as the “kernel panic” message on Unix-based systems or the “blue screen of death” on Windows. MCEs can be caused by memory cache errors, RAM corruption, overheating, bad hardware installation, or software […]
Deep Packet Inspection (DPI) is a method of analyzing data on a computer network by inspecting packets for information about the type, source, and destination of the data. DPI can detect malicious software, prioritize traffic, and be used for surveillance and censorship purposes. ISPs and governments use DPI to reconstruct emails, listen to VoIP calls, […]
Spell checkers scan documents for misspelled words and suggest replacements. They cannot detect homophonic errors and may not match the user’s intention. Sophisticated applications read words in context and learn from use. Critics argue that spell checkers make people lazier, but others believe they can help with learning a new language and catching mistakes. Spell […]
When buying a used elliptical machine, inspect it carefully for defects and safety hazards. Ask about its history and check the electronic board, noise level, and overall condition. A warranty is a bonus. When buying second hand exercise equipment, it is essential to make sure that the machine is in good working order. Safety should […]
Check digits are used for error detection and can refer to a digit associated with a multi-digit number or a measure used to test the accuracy of a collection of data. They are used in various numbering and coding systems and can detect common data entry errors. There are different algorithms for calculating check digits, […]
Rootkit infections are difficult to detect and on the rise, with at least one in four computers infected in the US. Anti-rootkit software can help, but prevention is recommended. Signs of infection include slow processing and crashes. It’s best to check for rootkits weekly, use reputable anti-rootkit programs, and back up your system. To prevent […]
A bug check is when an operating system encounters a serious software or hardware problem, causing it to stop all processes and either restart or display a bug check screen. This is done to protect the system from hardware failure or data corruption. The screen provides information on how to fix the problem and often […]
Check dams are small dams made of various materials used for sediment and pollutant removal, irrigation, and livestock. They’re often built across storm drains, small streams, or swales. They’re practical in poor areas and used in bioswales to remove pollutants. Stone, rock, and log check dams are common types. They require frequent inspections and maintenance. […]
To check a network adapter, determine if it’s internal or external and wired or wireless. Use the operating system or software to check and fix minor problems. Virtual adapters exist only in software. Troubleshoot by checking cables, restarting, or contacting a technician. There are many types of network adapters, including wireless network adapters and virtual […]
Before trusting a website, it is important to check its reliability. For informative websites, look for duplicate information from written sources and consistency across different sites. For internet shopping, check the website’s history with the Better Business Bureau and rely on larger, reputable websites with seller ratings and privacy protections. Be skeptical of deals that […]
The “remember me on this computer” checkbox on websites can be safe for TV chat forums or clipart websites, but not for online banking or personal information sites. Cookies store login information, so it’s best to avoid using this feature on public computers or shared devices. Consider using a password manager instead. Websites that require […]
Ball check valves allow material flow in one direction using a spring-loaded ball inside a valve body. They are simple and used in fuel and water pumping systems. They can be made of metal or ruby, and some have replaceable internal components. Double ball check valves prevent backflow contamination. A ball check valve is one […]
Choosing the best check valve depends on materials needed and ease of maintenance. Materials must be compatible with the product and valves should quickly stop reverse flow. Different types of valves have varying pressure drops and maintenance requirements. Regular testing and disassembly for cleaning may be necessary. Choosing the best check valve, that is, a […]
