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A personal unblocking key ( PUK ), sometimes called personal unblocking code ( PUC ), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a ...
The Motorola 6809 (" sixty-eight-oh-nine ") is an 8-bit microprocessor with some 16-bit features. It was designed by Motorola 's Terry Ritter and Joel Boney and introduced in 1978. Although source compatible with the earlier Motorola 6800, the 6809 offered significant improvements over it and 8-bit contemporaries like the MOS Technology 6502 ...
A universal asynchronous receiver-transmitter ( UART / ˈjuːɑːrt /) is a peripheral device for asynchronous serial communication in which the data format and transmission speeds are configurable. It sends data bits one by one, from the least significant to the most significant, framed by start and stop bits so that precise timing is handled ...
A personal identification number is critical to protecting financial accounts against fraud and theft. It also helps facilitate secure transactions from almost anywhere in the world.
A personal identification number ( PIN ), PIN code, or sometimes redundantly a PIN number, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for ...
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 ...
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
MC6847T1 Pinout [ 2] The MC6847 is a Video Display Generator (VDG) first introduced by Motorola in 1978 [ 3] and used in the TRS-80 Color Computer, [ 4] Dragon 32/64, [ 5] Laser 200, [ 6] TRS-80 MC-10 / Matra Alice, [ 7] NEC PC-6000 series, [ 8] Acorn Atom, [ 9] Gakken Compact Vision TV Boy [ 10] and the APF Imagination Machine, [ 11] among ...