The ____ of the OS contains thousands of reusable components that provide functions ranging from file and folder manipulation to accessing I/O devices, starting and stopping programs, and creating, moving, and resizing GUI windows.
A) service layer
B) kernel layer
C) command layer
D) metering layer

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The Answer of The ____ of the OS contains thousands of reusable components that provide functions ranging from file and folder manipulation to accessing I/O devices, starting and stopping programs, and creating, moving, and resizing GUI windows.
A) service layer
B) kernel layer
C) command layer
D) metering layer

The ____ of the OS Contains Thousands of Reusable Components