A.20 T
TCP (Transmission Control Protocol) - a transport layer protocol that ensures reliable data communication when using IP communications. The protocol is connection oriented, with full duplex streams.
tee - a tap into a larger line that does not add any special compensation, or conditioning. These connectors often have a T-shape.
telnet - a standard method for logging into remote computers and having access if connect by a dumb terminal.
temperature - the heat stored in an object. The relationship between temperature and energy content is specific to a material and is called the specific heat.
temperature dependence - as temperature varies, so do physical properties of materials. This makes many devices sensitive to temperatures.
thermocouple - a device using joined metals that will generate a junction potential at different temperatures, used for temperature measurement.
TIFF (Tagged Image File Format) - an image format best suited to scanned pictures, such as Fax transmissions.
time-proportional control - the amount of power delivered to an AC device is varied by changing the number of cycles delivered in a fixed period of time.
titration - a procedure for determining the strength of a solution using a reagent for detection. A chemical is added at a slow rate until the reagent detects a change.
toggle switch - a switch with a large lever used for easy reviews of switch settings, and easy grasping.
token - an indicator of control. Often when a process receives a token it can operate, when it is done it gives it up.
TOP (Technical Office Protocol) - a network protocol designed for offices. It was promoted in conjunction with MAP in the 1980s, but never became widely used.
top-down design - a design is done by first laying out the most abstract functions, and then filling in more of the details as they are required.
topology - 1. The layout of a network. 2. a mathematical topic describing the connection of geometric entities. This is used for B-Rep models.
TPDDI (Twisted Pair Distributed Data Interface) - counter rotating token ring network connected with twisted pair medium.
TQC (Total Quality Control) - a philosophical approach to developing quality methods that reach all levels and aspects of a company.
transceiver (transmitter receiver) - a device to electrically interface between the computer network card, and the physical network medium. Packet collision hardware is present in these devices.
transformations - include translation, rotation, and scaling of objects mathematically using matrix algebra. Transformations are used to move objects around in a scene.
transformer - two separate coils wound about a common magnetic coil. Used for changing voltage, current and resistance levels.
transient - a system response that occurs because of a change. These effects dissipate quickly and we are left with a steady state response.
turbine - a device that generates a rotational motion using gas or fluid pressure on fan blades or vanes.
turbulent flow - fluids moving past an object, or changing direction will start to flow unevenly. This will occur when the Reynold's number exceeds 4000.
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