DC power supplies have a positive and negative terminal, with the positive terminal receiving a positive electrical charge. The polarity relationship is marked by the universal color code and symbol, with correct polarity essential for connecting DC devices to a power supply. Reverse polarity can be used to change device operation, but failure to observe […]
The negative terminal of a car battery is grounded and marked with a minus sign. The positive terminal goes to the starter motor and accessories. When jump starting a car, precautions should be taken and connections made in a specific order. Battery terminals must be kept clean and free from corrosion. To maintain a healthy […]
Container terminals store and organize shipping containers, using cranes to load them onto trucks, trains, and ships. Some terminals are located at airports or specialize in rail or maritime transport. They also store and repair containers, including refrigerated ones. Some terminals have stationary gantry cranes, while others have mobile cranes. A container terminal is a […]
A marine terminal is a port facility for loading and unloading cargo, with equipment for storage and handling. Berthing facilities allow ships to be moored, and cranes and hoists can aid in cargo handling. Container terminals are common, and personnel assist with operations. Offshore terminals are used in some regions, particularly for oil tankers. A […]
Cargo terminals are industrial areas for loading and unloading cargo, located at ports, rail yards, and airports. They are central hubs for transportation and used by cargo airlines, railways, automobile industry, internet freight terminals, seaports, and package delivery companies. A cargo terminal is an industrial area where cargo is loaded and unloaded. These terminals are […]
A credit card terminal authenticates credit cards for payment. It protects retailers from invalid payments and comes in various forms, including keypad and wireless models. Data is sent to a verification center for approval, and some models allow for automatic data transmission. Web-based services also exist. A credit card terminal is a device that businesspeople […]
A terminal unit is an outlet in ductwork that supplies air to a room. It can have heating and cooling coils and is installed by a technician. The size and placement of the unit must be considered for efficiency. Unused ductwork can be closed off, and cleaning is necessary to reduce dust and bacteria. A […]
A screw terminal connects conductors using multi-twist fasteners and is used in electrical equipment. It requires crimp-type lugs for bare wire and can be mounted on equipment frames or circuit boards. It provides flexibility and accessibility in modular wiring design, and lock washers are needed for mobile transport. A wire nut is a replacement for […]
Terminal insomnia is a sleep disorder where people wake up after only four to five hours of sleep and have difficulty getting back to sleep. It can be caused by emotional distress, physical illness, or pain. Treatment includes relaxation techniques, prescription drugs, therapy, and changes to sleep times and environment. Keeping a sleep diary can […]
Computer terminals are hardware used to enter, retrieve and display electronic data. They have evolved from electromechanical devices like teletypewriters to modern desktops and laptops connected to a central server. Today, terminals can connect to the internet and be accessed remotely with handheld devices. A computer terminal is the hardware used to enter, retrieve and […]
When choosing an open source terminal server, consider security and accessibility features. Look for updated software with a large community for support and bug fixes. These programs allow remote access to data and can be made secure with access control systems. To choose the best open source terminal server, you should look for a program […]
A terminal illness is an incurable disease that is ultimately fatal. Treatment is usually withdrawn, and palliative care is provided to make the final stages of the illness as comfortable as possible. Counseling and support are recommended for patients and their families. A terminal illness is an infection or disease that is considered ultimately fatal […]
The Linux Terminal Server project allows multiple clients to use the same application server, supporting both Linux and Windows. It is used by schools and training centers to provide access to low-cost computers and can be set up easily on a network server. Thin clients can boot from the server over the network and run […]
Data terminal equipment refers to hardware that allows communication over a data line, including ATMs, personal computers, and centralized network components. It moves information from one source to another via a network or telephone system, and can include routers, hubs, and switches. The definition is vague, but items like bank ATMs, telephones, and fax machines […]
Terminal sedation is a form of palliative care for patients in extreme pain near death. The patient is given heavy doses of sedatives and pain medication, and the medical team and family make decisions on their behalf. There are concerns about potential misuse and patient rights. Terminal sedation is a form of palliative care offered […]
Terminal velocity is the constant speed an object reaches when the force of air resistance equals the force of gravity. It depends on weight, shape, and atmospheric density. The drag coefficient is crucial to determine it, and it varies with altitude. Examples include a raindrop at 17 km/h and a skydiver at 124 mph (200 […]
A terminal adapter allows direct connection to the digital network, bypassing the need for a modem to convert analog signals. It connects a computer to an ISDN line for faster and higher quality data transfer. Terminal adapters are peripherals that must be purchased separately. A great many data transfers these days involve converting analog signals […]
A terminal degree is the highest level of education attainable in a subject, often a PhD, but can also be a Master of Fine Arts or a professional degree. It is the final level most people will obtain in a subject and is not always the highest form of degree. A terminal degree typically refers […]