SOFTWARE - SOFTWARE Programs a program is a sequence of...

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SOFTWARE Programs a program is a sequence of related instructions, performed one step at a time by the CPU to accomplish some task o programs determine how computers respond to input, what will be displayed and output there are three types of programs: operating systems, language interpreters and compilers and applications programs Operating systems an operating system (OS) is the software which controls the operation of the computer from the moment it is turned on or "booted" o the OS controls all input and output to and from the peripherals as well as the operation of other programs o allows the user to work with and manage files without knowing specifically how the data is stored and retrieved in multi-user systems, operating systems manage user access to the processor and peripherals and schedule jobs common operating systems include: o IBM PCs and clones use MS-DOS (often called DOS), although there is some movement to OS/2 o UNIX (and similar operating systems such as AIX, XENIX) is the dominant
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SOFTWARE - SOFTWARE Programs a program is a sequence of...

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