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Pair of female Mini DIN-8 connectors used for RS-422 serial ports on a Macintosh LC computer. Many models of Macintosh favor the related RS-422 standard, mostly using circular mini-DIN connectors. The Macintosh included a standard set of two ports for connection to a printer and a modem, but some PowerBook laptops had only one combined port to ...
Practically all long-distance communication transmits data one bit at a time, rather than in parallel, because it reduces the cost of the cable. The cables that carry this data (other than "the" serial cable) and the computer ports they plug into are usually referred to with a more specific name, to reduce confusion.
COM port (DE-9 connector). COM (communication port) [1] [2] is the original, yet still common, name of the serial port interface on PC-compatible computers. It can refer not only to physical ports, but also to emulated ports, such as ports created by Bluetooth or USB adapters.
DIMM modules connect to the computer via a 64-bit-wide interface. Some other computer architectures use different modules with a different bus width. In a single-channel configuration, only one module at a time can transfer information to the CPU.
The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...
A DB-25 connector as described in the RS-232 standard Data circuit-terminating equipment (DCE) and data terminal equipment (DTE) network. In telecommunications, RS-232 or Recommended Standard 232 [1] is a standard originally introduced in 1960 [2] for serial communication transmission of data.
Serial Attached SCSI; Serial digital interface; Serial FPDP; Serial Input/Output eXchange; Serial over LAN; Serial Peripheral Interface; Serial port; Serial Storage Architecture; SGPIO; STANAG 3910; Synchronous Serial Interface; Synchronous Serial Port; System Management Bus; System Power Management Interface
All communications are between the host and one peripheral. In a FireWire network, any capable node can control the network. USB runs with a 5 V power line, while FireWire supplies 12 V and theoretically can supply up to 30 V. Standard USB hub ports can provide from the typical 500 mA/2.5 W of current, only 100 mA from non-hub ports.