aspect ratio

In video display, the relationship between the width and the height of the image. The

NTSC standard, for example, specifies a 4:3 (4 wide to 3 high) aspect ratio. See also NTSC and video.

• switched circuit
• switched circuit network (SCN)
• Switched Multimegabit Data Service (SMDS)
• switched virtual circuit (SVC)
• switch hook
• switch hook
• switch hook flash
• switch hook flash
• switch matrix
• Switch-to-Computer Applications Interface (SCAI)
• SW (Short Wavelength)
• SxS (Step-by-Step)
• symbol
• symmetric
• symmetric digital subscriber line (SDSL)
• symmetric DSL (SDSL)
• symmetric high-bit-rate digital subscriber line (SHDSL)
• synchronization
• synchronize
• synchronizing bit
• synchronous
• synchronous code division multiple access (S-CDMA)
• synchronous connection-oriented (SCO)
• Synchronous Data Link Control (SDLC)
• Synchronous Digital Hierarchy (SDH)