What Is the Difference Between Software and Programs?
A program is a set of instructions; software is often a complete product containing programs, data and documentation.
Computer World
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4 articles · “计算机基础” Clear
Understand files, formats, programs, software, and installation.
From Files to Programs: Connecting the Computer World
Programs themselves can be saved inside files.
Why Do Different Files Need Different Apps?
Different file formats organize data in different ways.
Why Do Files Have Different Extensions?
A file extension hints at a format, such as .txt, .png or .cpp.