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Classical (algebraic) block codes and convolutional codes are frequently combined in concatenated coding schemes in which a short constraint-length Viterbi-decoded convolutional code does most of the work and a block code (usually Reed–Solomon) with larger symbol size and block length "mops up" any errors made by the convolutional decoder ...
They were also called "132-column printers". In computing, a printer is a peripheral machine which makes a durable representation of graphics or text, usually on paper. [ 1] While most output is human-readable, bar code printers are an example of an expanded use for printers. [ 2]
Printer tracking dots. 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 copiers produce on every printed page that identifies the specific device that was used to print the document.
The PS/2 port is a 6-pin mini-DIN connector used for connecting keyboards and mice to a PC compatible computer system. Its name comes from the IBM Personal System/2 series of personal computers, with which it was introduced in 1987. The PS/2 mouse connector generally replaced the older DE-9 RS-232 "serial mouse" connector, while the PS/2 ...
Users confuse "PC" with "personal computer", "LOAD" with some action someone might do to that computer, and "LETTER" with an alphabet letter or short document (in particular outside the United States and Canada, where most paper is A4 size, and users may not know "LETTER" is a paper size at all).
A barcode printer is a specialized device designed to create and print barcodes, which are machine-readable codes consisting of parallel lines or a matrix of squares. These barcodes serve various purposes across different industries. Some common uses of barcode printers include: Retail Industry. Product Labeling: Barcode printers are used to ...
Barcode reader. A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [ 1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain ...
Printer Command Language, more commonly referred to as PCL, is a page description language (PDL) developed by Hewlett-Packard as a printer protocol and has become a de facto industry standard. Originally developed for early inkjet printers in 1984, PCL has been released in varying levels for thermal , matrix , and page printers.
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