题目内容

The ______ is the set of programs that manages all of a computer's resources.

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A(n) ______ is a shared boundary that allows independent systems to meet and act on or communicate with each other.

In the "______ " problem-solving technique, you define the beginning and ending states of the problem, then compare different methods for getting between them.

Of the following components of a computer, which one assures that program instructions are executed in the proper sequence?()

A. input device
B. output device
C. arithmetic/logic unit
D. control unit
E. memory unit

Of the following components of a computer, which one fetches the next instruction from RAM during program execution?()

A. input device
B. auxiliary storage device
C. arithmetic/logic unit
D. control unit
E. memory unit

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