The correct answer is C. Fewer power supply connections are required with MOS ICs.
MOSFETs (metal-oxide-semiconductor field-effect transistors) are a type of transistor that uses an electric field to control the flow of current. They are used in a wide variety of electronic devices, including integrated circuits (ICs).
Bipolar transistors are another type of transistor that uses both electrons and holes to carry current. They are also used in ICs, but they require more power supply connections than MOSFETs. This is because bipolar transistors need two power supplies, one for the emitter-base
junction and one for the collector-base junction. MOSFETs, on the other hand, only need one power supply, for the gate-source junction.As a result, MOSFETs are often used in ICs where space is limited, such as in mobile devices. They are also used in ICs where power consumption is a concern, such as in battery-operated devices.
Here is a brief explanation of each option:
- A. much greater complexity (more components) than bipolar circuits : better economy. This is not an advantage of using MOSFETs. In fact, MOSFETs are often used in ICs because they are simpler and require fewer components than bipolar transistors.
- B. higher operating speed than bipolar circuits. This is an advantage of using MOSFETs. MOSFETs can switch on and off much faster than bipolar transistors. This makes them ideal for use in high-speed ICs.
- C. fewer power supply connections are required with MOS ICs. This is the main advantage of using MOSFETs. As mentioned above, MOSFETs only need one power supply, while bipolar transistors need two. This makes MOSFETs more efficient and easier to design with.
- D. system designers are more familiar with MOS circuitary. This is not an advantage of using MOSFETs. In fact, it can be a disadvantage, as it can make it more difficult to find system designers who are familiar with bipolar circuitary.
- E. None of the above. This is the correct answer.