In optical storage the data is encoded on the disk in the form of tiny pits that are arranged in the concentric rings.
so the answer should be
Optical storage devices focus a tiny pits in concentric tracks on a disk surface that acts as the storage medium.
I Hope it will help you.
Answer:
d.photographers who follow stars to take pictures
Hi there!
The correct option is C. <span>there is a spelling mistake. The red wavy line indicates that a word was spelled incorrectly, sometimes though this function does not recognize the word it can mark it as incorrect even when it is not, in which case you can right-click the marked word and add it to your computer's internal word dictionary. Right-clicking an incorrectly spelled word will also give a short list of words that are similar to the one you are trying to spell, clicking on one of the given words will automatically change the marked word to the one you chose.
-Your friend, ASIAX</span>
The acronym RFID (Radio Frequency Identification) describes
networked devices that contain microcomputers but are not thought of as
computing devices, such as refrigerators, automobile components, light
bulbs, and industrial control devices. RFIDs are battery-powered sensors that gather and transmit data to a reading device. Some sensor based technologies are scanning electron microscopes, LiDAR,radar, GPS, x-ray, sonar, infrared and seismic.
