MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
CMOS sensors are used as well as CCD sensors in cameras. CCD sensors are reported as being more reliable, yet have
A
a much higher power consumption than CMOS
B
a much lower power consumption than CMOS
C
less lifetime
D
a tendancy to burn out
Explanation: 

Detailed explanation-1: -CCD sensors consume as much as 100 times more power than an equivalent CMOS sensor. CMOS sensors can be manufactured on most standard silicon production lines, so are inexpensive to produce compared to CCD sensors.

Detailed explanation-2: -CMOS sensors are faster than their CCD counterparts, which allows for higher video frame rates. CMOS imagers provide higher dynamic range and require less current and voltage to operate.

Detailed explanation-3: -CCD (charge coupled device) and CMOS (complementary metal oxide semiconductor) image sensors are two different technologies for capturing images digitally. Each has unique strengths and weaknesses giving advantages in different applications.

Detailed explanation-4: -CMOS (complementary metal oxide semiconductor) sensors are used to create images in digital cameras, digital video cameras and digital CCTV cameras. CMOS can also be found in astronomical telescopes, scanners and barcode readers.

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