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Many protocols are acknowledgement-based, meaning that they positively acknowledge receipt of messages. The internet's Transmission Control Protocol (TCP) is an example of an acknowledgement-based protocol. When computers communicate via TCP, received packets are acknowledged by sending a return packet with an ACK bit set. [3]
The peg system is commonly used by Mental Athletes for memory competitions for events like card memorization as well as digit memorization. [3] The peg system has also been applied in a classroom with learning disabled students. The students that used the peg system performed significantly better than the control in both immediate and delayed ...
To begin play, the first player places one of their colored pegs in any hole in the pegboard. Play passes to each player in turn, one peg being placed per turn. Each player attempts to place five of their pegs in a straight line in adjacent holes either horizontally, vertically or diagonally.
A close-up view of a sheet of pegboard. Perforated hardboard is tempered hardboard which is pre-drilled with evenly spaced holes. The holes are used to accept pegs or hooks to support various items, and perforated hardboards are therefore used for purposes such as tool boards in workshops.
The Purdue Pegboard Test is a psychomotor test of manual dexterity and bimanual coordination. [1] The test involves two different abilities: gross movements of arms, hands, and fingers, and fine motor extremity, also called "fingerprint" dexterity. [ 2 ]
PHP has a direct module interface called SAPI for different web servers; [273] in case of PHP 5 and Apache 2.0 on Windows, it is provided in form of a DLL file called php5apache2.dll, [274] which is a module that, among other functions, provides an interface between PHP and the web server, implemented in a form that the server understands. This ...
The e-receipt helps to connect customers to their in-store purchases. Merchants can issue E-receipts using own mechanisms or use external services specialized on electronic payments. Possible ways of distributing the email receipts may be to send an e-mail, an app, a website/web app, a QR-code or a BLE transmit on mobile. The general idea of ...
A non-standard but widely used way to request return receipts is with the "Return-Receipt-To:" (RRT) field in the e-mail header, with the email return address specified. The first time a user opens an email message containing this field in the header, the client will typically prompt the user whether to send a return receipt.