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In computing, a parallel port is a type of interface found on early computers (personal and otherwise) ... ERROR, SELECT, PE and BUSY to represent a nibble, using two ...
An IEEE 1284 36-pin female on a circuit board. In the 1970s, Centronics developed the now-familiar printer parallel port that soon became a de facto standard.Centronics had introduced the first successful low-cost seven-wire print head [citation needed], which used a series of solenoids to pull the individual metal pins to strike a ribbon and the paper.
Creating a parallel port in a computer system is relatively simple, requiring only a latch to copy data onto a data bus. In contrast, most serial communication must first be converted back into parallel form by a universal asynchronous receiver/transmitter (UART) before they may be directly connected to a data bus.
The LapLink cable connects five output pins of a parallel port to five input pins on the opposing port for each direction. Due to the lack of internal timing in the parallel ports, synchronization is implemented via software handshaking: four pins are used for data transfer and one is used for synchronization.
Diagrams of different Parallel SCSI symbols [1]. Parallel SCSI is not a single standard, but a suite of closely related standards. There are a dozen SCSI interface names, most with ambiguous wording (like Fast SCSI, Fast Wide SCSI, Ultra SCSI, and Ultra Wide SCSI); three SCSI standards, each of which has a collection of modular, optional features; several different connector types; and three ...
A server for the LPD protocol listens for requests on TCP port 515. [1] A request begins with a byte containing the request code, followed by the arguments to the request, and is terminated by an ASCII LF character. An LPD printer is identified by the IP address of the server machine and the queue name on that machine. Many different queue ...
Low Pin Count interface Winbond chip Trusted Platform Module installed on a motherboard, and using the LPC bus. The Low Pin Count (LPC) bus is a computer bus used on IBM-compatible personal computers to connect low-bandwidth devices to the CPU, such as the BIOS ROM (BIOS ROM was moved to the Serial Peripheral Interface (SPI) bus in 2006 [1]), "legacy" I/O devices (integrated into Super I/O ...
LPT is the designation of a parallel port interface on some computer systems. LPT may refer to: Finance. Listed property trust, an Australian real estate ...