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The HP ProBook is a line of laptop computers made by Hewlett-Packard since 2009, [1] marketed to business users but with a list price lower than that of HP's higher-end EliteBook series. [ 2 ] History
The ProLiant line of servers was then acquired by Hewlett Packard Enterprise in 2015 after HP split up into two separate companies. Despite the ProLiant name being used on some of these entry-level servers listed below, they are based on HP's former NetServer line of servers from 1993–2002 (more specifically the tc series) and as such do not ...
Dot matrix printers are widely used because of their low cost per page. Dot matrix printers are divided into two main groups: serial dot matrix printers and line matrix [1] printers. Line matrix mechanism. A serial dot matrix printer has a print head that runs back and forth, or in an up and down motion, on the page and prints by impact ...
Unlike typewriters or line printers that use a similar print mechanism, a dot matrix printer can print arbitrary patterns and not just specific characters. The perceived quality of dot matrix printers depends on the vertical and horizontal resolution and the ability of the printer to overlap adjacent dots. 9-pin and 24-pin are common; this ...
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 used to print the document.
In computers, a printer driver or a print processor is a piece of software on a computer that converts the data to be printed to a format that a printer can understand. The purpose of printer drivers is to allow applications to do printing without being aware of the technical details of each printer model.
The print mechanisms in HP's LaserJet line of laser printers depend almost entirely on Canon Inc.'s components (print engines), which in turn use technology developed by Xerox. HP developed the hardware, firmware, and software to convert data into dots for printing. [31]
ASA control characters are simple printing command characters used to control the movement of paper through line printers. These commands are presented as special characters in the first column of each text line to be printed, and affect how the paper is advanced before the line is printed. The remainder of the line is printed starting in the ...