Sensor image

What is an image sensor?

• A device that converts an electronic signal into an optical image.

• A device that converts an optical image into an electronic signal.

• A device that captures audio signals.

• A device that captures video signals.

Which type of image sensor was the first to be used in the 1960s?

• Passive-pixel sensors

• Active-pixel sensors

• Charge-coupled devices

• Complementary metal oxide semiconductors

How does a CCD image sensor convert an optical image into an electronic signal?

• By using a photosite to convert photons into an electrical charge.

• By using a shift-register transmission region to capture the image.

• By using an array of capacitors to accumulate electric charges.

• By using a sequence of voltages to represent the charges accumulated in the semiconductor.

Which type of image sensor consumes less power?

• CCD

• CMOS

• Both consume the same amount of power.

• It depends on the specific implementation.

What is the main disadvantage of passive-pixel CMOS sensors?They are too large for practical use.

• They are too large for practical use.

• They are susceptible to noise.

• They consume too much power.

• They cannot cancel out noise.

Which type of image sensor is more mature and tends to have higher quality?

• CCD

• CMOS

• Both are equally mature and have the same quality.

• It depends on the specific implementation.

What is the main advantage of active-pixel sensors?

• They consume less power than CCDs.

• They are more resistant to noise than passive-pixel CMOS sensors.

• They can be fabricated on any standard silicon production line.

• They can cancel out the noise associated with passive-pixel sensors.

Which type of image sensor tends to be extremely inexpensive?

• CCD

• CMOS

• Both have similar prices.

• It depends on the specific implementation.