A Company Must Perform a Maintenance Project Consisting of Seven

question 40

Multiple Choice

A company must perform a maintenance project consisting of seven activities.The activities,their predecessors and their respective time estimates are presented below: $\begin{array}{|l|l|l|l|}\hline & & \text { Immediate } & \\\hline \text { Activity } & \text { Designation } & \text { Predecessor } & \text { Time in Days } \\\hline \text { Break down both machines } & \text { A } & \text { None } & 3 \\\hline \text { Clean machine 1 } & \text { B } & \text { A } & 3 \\\hline \text { Clean machine 2 } & \text { C } & \text { A } & 3 \\\hline \text { Re-set machine 1 } & \text { D } & \text { B } & 4 \\\hline \text { Re-set machine 2 } & \text { E } & \text { C } & 2 \\\hline \text { Re-calibrate both machines } & \text { F } & \text { D and E } & 1 \\\hline \text { Final test } & \text { G } & \text { F } & 2 \\\hline\end{array}$
Using the Single Time Estimate CPM procedure,which activities make up the critical path?

• A)A,B,D,F,G
• B)A,C,E,F,G
• C)A,C,B,F,E
• D)A,D,E
• E)None of the above

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Definitions:

Graphics Memory

Dedicated memory used by computer graphics systems to store images, textures, and other graphical data for rendering.

Sound Card

An expansion card that attaches to (or is integrated into) the motherboard inside the system unit and that enables the computer to produce sounds; also provides a connection for the speakers and microphone.

PCI Bus

A hardware bus designed for connecting peripheral devices to a computer's processor, allowing for the expansion of computer functionalities.

Hyperthreading

A technology used by some CPUs that allows a single physical processor core to act as two separate logical cores, improving multitasking and performance.