Philips 109B Electronic User's Manual page 36

Glossary
T
TCO
See Electromagnetic radiation standards.
Tilt function
See rotation function.
Trapezoid distortion
See Geometrical distortion.
TTL signal
A TTL (Transistor-transistor-logic) signal is a digital signal level for controlling the screen colors. With
TTL driving, the red, green and blue signals can only be switched on or off or provided with an
intensity signal. A TTL-driven monitor can thus display a maximum of 64 colors. Video standards
such as MDA, CGA and EGA are based on TTL level.
U
USB or Universal Serial Bus
A smart plug for PC peripherals.
bus bandwidth) required by peripherals. USB makes necessary resources available without user
intervention.
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USB automatically determines resources (like driver software and