Types of Software

• Application programs (e.g., Powerpoint)

  • What you normally think of as a “program”

• Compilers and interpreters (e.g., Java)

  • Programs used to write other programs

• Operating system (e.g., Windows 95)

  • Manages display, CPU, memory, disk, tape, …

• Embedded program (e.g., a disk controller)

  • Permanent software inside some device

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