Which of the following is not true about green computing?

Green computing and green technology are related ideas, but they are not the same thing. Green technology is the broad umbrella term for every environmentally sustainable innovation — renewable energy, sustainable agriculture, pollution control, eco-friendly manufacturing, and more. Green computing is one specific slice of that umbrella: it is the study and practice of designing, using, and disposing of computers and related IT resources in an environmentally responsible way, aimed at cutting energy consumption, reducing hazardous waste, and lowering the overall environmental footprint of computing.

Applying this distinction to the statements above helps separate the ones that hold from the one that does not:

• Green computing is fundamentally about the environmentally responsible use of computers and related resources — reducing the energy, materials, and waste that computing draws from the environment over a device's lifetime. Read that way, this statement matches green computing's own working definition, so it holds.

• Implementing energy-conservation equipment — energy-efficient hardware, power management, sleep modes — is a standard green-computing practice, so this statement holds.

• Advances such as energy-efficient processors, virtualization, and power-aware system design are commonly framed as an emerging technology area aimed at dependable computing devices with a smaller environmental footprint — the same emerging-technology framing this statement uses (here, "powerful" refers to capability and efficiency, not raw processing power), so it holds.

• Equating green computing with green technology outright overstates the relationship: green technology is the broader umbrella, and green computing is only one specific part of it, so this is the statement that is not true.

Because it treats a specific IT practice as if it were identical to the entire environmental-technology umbrella, the claim that green computing is also called green technology overstates the relationship and is the one statement that does not hold — making it the correct response to this question.