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A punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching holes in the card ...
Keycard lock. A keycard lock is a lock operated by a keycard, a flat, rectangular plastic card. The card typically, but not always, has identical dimensions to that of a credit card, that is ID-1 format. The card stores a physical or digital pattern that the door mechanism accepts before disengaging the lock.
Description. The RSA SecurID authentication mechanism consists of a "token"—either hardware (e.g. a key fob) or software (a soft token)—which is assigned to a computer user and which creates an authentication code at fixed intervals (usually 60 seconds) using a built-in clock and the card's factory-encoded almost random key (known as the ...
A GoldKey security token connected to a laptop. A security token is a peripheral device used to gain access to an electronically restricted resource. The token is used in addition to, or in place of, a password. [1] Examples of security tokens include wireless key cards used to open locked doors, a banking token used as a digital authenticator ...
Punched card. A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[1] or punched-card[2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines. Punched cards were widely used in the 20th ...
A passive proximity card for door access. A proximity card or prox card[1] also known as a key card or keycard is a contactless smart card which can be read without inserting it into a reader device, as required by earlier magnetic stripe cards such as credit cards and contact type smart cards. [2] The proximity cards are part of the ...
Software protection dongle. Appearance. A software protection dongle (commonly known as a dongle or key) is an electronic copy protection and content protection device. When connected to a computer or other electronics, they unlock software functionality or decode content. [ 1 ] The hardware key is programmed with a product key or other ...
A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters. This sequence is typically entered by the user during the installation of computer software, and is ...