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An embedded system is a chip that is programmed to perform a certainfunction and another definition is a hardware and software combinedtogether it is capable and programmable to function without the act ofhuman being The embedded system is consisted of a micro computer whichhas less capability than a mini computer with a software in ROM it mayinclude a collection of software that directs a computers operationwhich is called operating system Automobiles industrial machinesmedical equipment cameras airplanes vending machines householdappliances and toys these are all examples of embedded systemsCharacteristics of an embedded system are designed to do some specialtasks they are not always standalone devices and most of the programinstructions written for embedded systems are referred to as firmwareIn 1930- 1940 which is the earliest years for computers Apollo GuidanceComputer was one of the first and riskiest embedded systems and thiscomputer was to large and expensive and it was developed by CharlesStark Draper at the MIT instrumentation laboratory In 1961 a newembedded system came out which was called the D-17 and in 1966 somethingnew came out and replaced the D-17 it was called Minuteman 2 In the1960s prices of embedded systems came down and there has been a rise inprocessing power and functionality in the mid 1980s most externalsystems has been integrated into the same chips as the processor andmodem allowed more widespread usageThere are advantages and disadvantages of embedded systems theadvantages are that is has design and efficiency which is lesscomplicated and easier to maintain and it is designed to the most toperform its function cost the parts of the embedded system aresmaller and less expensive to produce accessibility if you want toservice an embedded system it is difficult because it is inside themachine so a grater design and effort is made maintenance they areeasier to maintenance cause the is embedded in the system and it doesnot require a remote maintenance redundancies embedded system doesnot have redundant programming and maintenance which other system hasThe disadvantages
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