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For example, the sample diagram does not indicate the physical type of connection between the PCs and the switch, but since a modern LAN is depicted, Ethernet may be assumed. If the same style of line was used in a WAN (wide area network) diagram, however, it may indicate a different type of connection.
An IEEE 1284 36-pin female on a circuit board. In the 1970s, Centronics developed the now-familiar printer parallel port that soon became a de facto standard.Centronics had introduced the first successful low-cost seven-wire print head [citation needed], which used a series of solenoids to pull the individual metal pins to strike a ribbon and the paper.
Also shown in this example (shaded in yellow) is the network's connection to the Internet via fixed-line means. A local area network ( LAN ) is a computer network that interconnects computers within a limited area such as a residence, campus, or building, [ 1 ] [ 2 ] [ 3 ] and has its network equipment and interconnects locally managed.
Surface printing is an automated printing method. It first used in 1839. Most wallpaper was originally printed on surface printing machines. Surface printing machines are structured similarly to a ferris wheel, with a large central roller over which the paper travels; the individual ink rollers transfer an image to the paper on the main roller.
Dot matrix printers are a type of impact printer that prints using a fixed number of pins or wires [2] [3] and typically use a print head that moves back and forth or in an up-and-down motion on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper. They were also known as serial dot matrix printers. [4]
SMEMA is an acronym for the Surface Mount Equipment Manufacturers Association. In 1999 they merged with the IPC to form the IPC SMEMA Council. [1] One standard they have is for the wiring of communications between Surface mount technology producing machinery such as a Stencil Printer or a Pick and Place Machine on an Electronics production line ...
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A cell phone connected to a laptop using the USB interface, letting them communicate with each other, is a simple example of a wired personal area network (PAN) Wired personal area networks provide short connections between peripherals. Example technologies include USB, IEEE 1394 and Thunderbolt. [citation needed]