____ was the first PC operating system.
A) DOS
B) Windows 3.1
C) Mac OS
D) Linux OS
Correct Answer:
Verified
Q14: The term "PC" once referred only to
Q22: Executable files contain data such as words,
Q22: The OS is loaded into memory during
Q23: A collection of major updates is sometimes
Q24: System software is the software that makes
Q24: Most operating systems use _ to perform
Q26: When you start working with a new
Q27: A(n) read-only file cannot be modified or
Q28: Motor vehicles and electronic devices, such as
Q29: As you work with a computer, many
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