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A computer repair technician is a person who repairs and maintains computers and servers. The technician 's responsibilities may extend to include building or configuring new hardware , installing and updating software packages, and creating and maintaining computer networks .
As software ages, it becomes known as legacy software and can remain in use for decades, even if there is no one left who knows how to fix it. [35] Over the lifetime of the product, software maintenance is estimated to comprise 75 percent or more of the total development cost.
Software engineering is a field within computer science focused on designing, developing, testing, and maintaining of software applications. It involves applying engineering principles and computer programming expertise to develop software systems that meet user needs.
Automatic bug fixing is made according to a specification of the expected behavior which can be for instance a formal specification or a test suite. [5]A test-suite – the input/output pairs specify the functionality of the program, possibly captured in assertions can be used as a test oracle to drive the search.
They may be employed in product evaluation and testing, using measuring and diagnostic devices to adjust, test, and repair equipment. [1] Electronics technicians may also work as sales workers or field representatives for manufacturers, wholesalers, or retailers giving advice on the installation, operation, and maintenance of complex equipment ...
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Software evolution is not likely to be Darwinian, Lamarckian or Baldwinian, but an important phenomenon on its own. Given the increasing dependence on software at all levels of society and economy, the successful evolution of software is becoming increasingly critical. This is an important topic of research that hasn't received much attention.
Depending on the situation, solutions involve repairing the logical file system, partition table, or master boot record, or updating the firmware or drive recovery techniques ranging from software-based recovery of corrupted data, to hardware- and software-based recovery of damaged service areas (also known as the hard disk drive's "firmware ...