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What is a female DB-15 socket with three rows of five sockets used for?
Wiki User
∙ 13y ago
a VGA/SVGA video adapter
Wiki User
∙ 13y ago
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3 row 15 pin female connector?
Assuming you mean the "D" shell connector used for computer "VGA" connections to a monitor.It's aD shell (physical appearance),E size,15 connectors,So it's correctly called a DE15, but is often misnamed "DB15" - which it's not. To lessen confusion, many people just refer to it as the "VGA" connector.The common "DB" naming only applies (correctly) to the larger shell size commonly used for the 25-pin DB-25 connector. The small 9-pin D connector is correctly called DE-9.
Which type of port is used for low speed dot matrix printers?
Traditionally the DB25 parallel port and DB9 serial ports are associated with low speed matrix printers. Special printers are used for printing matrixlike prints such as cash register receipts, which typically are printed using a thermal technology which is almost infinitely quiet compared to a matrix printer. With a dot matrix printer using a typerwriter approach the noise you hear is mostly the actual printing, but with thermal and other technologies like Jet Ink the same type of print can be made using less noise. With newer technologies the connection ports often do not differ much, but there is a tendency in the direction using USB ports instead. Perhaps one day a printing device can only be connected to one type of port, call it PortX, of which there are many on the computers. When the same port type can beused for most things you can add anything in sufficient numbers to a computer if you need it. Back in the old days you could only have one keyboard (PS/2) and one mouse (DB9), one printer (DB25) and one graphics display (DB15). Today you can have all of those on USB and if you need more just add one as long as you have available USB ports.
