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An embedded system is a special-purpose computer system usually built into a smaller device.An embedded system is required to meet very different requirements than a general-purpose personal computer.
1 Examples of embedded systems
- automatic teller machines (ATMs)
- cellular telephones and telephone switches
- computer network equipment, including routers, timeservers and firewalls
- computer printers
- disk drives (floppy disk drives and hard disk drives)
- engine controller s and antilock brake controllers for automobiles
- home automation products, like thermostats, air conditioners, sprinklerA sprinkler is a device used for the distribution of water from plumbing pipes, by spraying it into the air. Sprinklers have two main purposes: irrigation sprinklers for irrigation of lawns or crops fire sprinklers for fire suppression within buildings.s, and security monitoring systems
- handheld calculatorA calculator is a device for performing numerical calculations. It should not be confused with a calculating machine. Nowadays many people have a calculator with them as part of their mobile phone and/or personal digital assistant. Engineers and accountans
- household applianceThe term Appliance refers to two classes of objects: One class of objects includes items that are custom-fitted to an individual for the purpose of correction of a physical problem, such as prosthetic and orthotic appliances. The other class of objects ins, including microwave ovenA microwave oven is a kitchen appliance employing microwave radiation to cook food. History The idea for using microwaves to cook food was discovered by Percy Spencer who was working for Raytheon and was building magnetrons for radar sets. One day he wass, washing machineA washing machine is a machine designed to clean laundry, i. clothing and other household textile such as towels and sheets. It is generally restricted to machines that use water as the primary cleaning solution, as opposed to dry cleaning which uses altes, televisionSee TV (disambiguation) for other uses and Television (band) for the rock band Television is a telecommunication system for broadcasting and receiving moving pictures and sound over a distance. The term has come to refer to all the aspects of television p sets, DVDDVD is an optical disc storage media format that is used for playback of movies with high video and sound quality and for storing data. DVDs are similar in appearance to compact discs. History During the early 1990s there were two high density optical sto players/recorders
- inertial guidance systemAn inertial navigation system measures the position and attitude of a vehicle by measuring the accelerations and rotations applied to the system's inertial frame. It is widely used because it refers to no real-world item beyond itself. It is therefore imms, flight control hardware/software and other integrated systems in aircraft and missiles
- medical equipment
- measurement equipment such as digital storage oscilloscopes, logic analyzers, and spectrum analyzers
- multifunction wristwatches
- personal digital assistants (PDAs), i.e. small handheld computers with PIMs and other applications
- programmable logic controllers (PLCs) for industrial automation and monitoring
- stationary videogame consoles and handheld game consoles
