Business, 28.12.2019 00:31 daisyramirez2057

Which of the following statements is incorrect?

a. operating systems must provide both command line as well as graphical user interfaces
b. an operating system provides an environment for the execution of programs
c. an operating system manages system resources
d. operating systems may provide both command line as well as graphical user interfaces
e. operating systems must provide both protection and security

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Which of the following statements is incorrect?

a. operating systems must provide both...