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Serial number of a laptop computer. In smartphones, serial numbers are extended to the integrated components in addition to the electronic device as a whole, also known as serialization. This gives unique individual parts such as the screen, battery, chip and camera a separate serial number. This is queried by the software for proper release ...
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program.
A male D-subminiature connector used for an RS-232 serial port on an IBM PC compatible computer along with the serial port symbol. A serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time. [1]
Typical POST screen (AMI BIOS) Typical UEFI-compliant BIOS POST screen (Phoenix Technologies BIOS) Summary screen after POST and before booting an operating system (AMI BIOS) A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [1]
Model number(s) A1407 Display: 27.00 inches (68.6 cm), IPS active-matrix TFT LCD, glossy glass covered screen, QHD (2560 × 1440) resolution, LED edge-lit backlight. 16∶9 aspect ratio (widescreen) Pixel density: 109 px/in Response time: 12 ms Maximum Refresh rate: 59.95 Hz Colors: 16,777,216 (8 bpc / 24 bit/px True Color) Contrast ratio ...
Windows: Windows 7 and newer Mac: MacOS X and newer Note: Ad-Free AOL Mail removes ads while using AOL email; it is not supported on AOL Desktop Gold or the AOL mobile app.
Osborne Computer Corporation offered a "Screen-Pac" column upgrade that could be switched between original 52 column, 80 column and 104 column modes. Osborne 1 systems with the Screen-Pac upgrade have an RCA jack installed on the front panel to allow users to connect an external composite video monitor . [ 19 ]