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Distributed coordination function (DCF) is the fundamental medium access control (MAC) technique of the IEEE 802.11-based WLAN standard (including Wi-Fi). DCF employs a carrier-sense multiple access with collision avoidance (CSMA/CA) with the binary exponential backoff algorithm.
SolveSpace is a free and open-source 2D/3D constraint-based parametric computer-aided design (CAD) software that supports basic 2D and 3D constructive solid geometry modeling. It is a constraint-based parametric modeler with simple mechanical simulation capabilities. Version 2.1 and onward runs on Windows, Linux and macOS.
Alternatively, and independent of DCF, files may be accessed via the Picture Transfer Protocol, which provides an object-oriented view and need not expose the file layout. The file system layout is often opaque to users, as images are copied onto a computer or printer and the application deals with layout.
ABViewer is a software application for 2D/3D computer-aided design (CAD) developed by CADSoftTools in 2003. Its main features are viewing, editing, creating, converting, and printing CAD files. [2] [3] It is compatible with Windows and Linux with Wine and distributed as proprietary software. ABViewer is available in more than 30 languages. [4]
Point Coordination Function (PCF) is a media access control (MAC) technique used in IEEE 802.11 based WLANs, including Wi-Fi. It resides in a point coordinator also known as access point (AP), to coordinate the communication within the network. The AP waits for PIFS duration rather than DIFS duration to grasp the channel. PIFS is less than DIFS ...
The IEEE 802.11 family of standards describe the DCF protocol, which controls access to the physical medium. A station must sense the status of the wireless medium before transmitting. If it finds that the medium is continuously idle for DCF Interframe Space (DIFS) duration, it is then permitted to transmit a frame. If the channel is found busy ...
Alfred is an application launcher and productivity software for macOS developed by Running with Crayons Ltd. It provides faster access to applications, files, folders, dictionaries, and various system functions. [3]
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