An Analysis of a Running System Shows That the System

question 43

Multiple Choice

An analysis of a running system shows that the system is frequently being interrupted to execute program code related to interrupts. How does the CPU know when it must execute this code?

• A) The CPU periodically checks each device.
• B) IRQ information is carried by the control bus.
• C) The CPU is informed by the data bus.
• D) The cache controller generates a signal.

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Definitions:

Activity-Based Measure

A performance metric or accounting method that identifies activities in an organization and assigns the cost of each activity to all products and services according to the actual consumption by each.

5C Model

A marketing model encompassing five essential elements: Company, Customers, Competitors, Collaborators, and Context.

Balanced Scorecard

A strategic planning and management system used to align business activities to the vision and strategy of the organization, tracking performance against strategic goals.

Generic Measures

Broad, non-specific metrics used to evaluate or compare general aspects of performance or quality.