Speed power product is measured as the product of . . . . . . . . A. Gate switching delay and gate power dissipation B. Gate switching delay and gate power absorption C. Gate switching delay and net gate power D. Gate power dissipation and absorption

The correct answer is A. Gate switching delay and gate power dissipation.

Speed power product (SPP) is a measure of the energy required to switch a logic gate. It is calculated as the product of the gate’s switching delay and its power dissipation. SPP is a useful metric for comparing the energy efficiency of different logic gates.

Gate switching delay is the time it takes for a gate to change state from 0 to 1 or from 1 to 0. Gate power dissipation is the amount of power that a gate consumes when it is switching state.

The SPP of a gate is proportional to its switching delay and its power dissipation. This means that gates with shorter switching delays and lower power dissipation will have lower SPPs.

SPP is an important metric for designers of high-speed, low-power circuits. By minimizing the SPP of their circuits, designers can improve their performance and reduce their energy consumption.

Here is a brief explanation of each option:

• Option A: Gate switching delay and gate power dissipation. This is the correct answer. SPP is calculated as the product of these two quantities.
• Option B: Gate switching delay and gate power absorption.
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