Question

Read the statements given below. Identify the right statement about secondary memory Statement A: CD, DVD and Blue ray - Disk are example of optical disk. Statement B : Data is stored in concentric circle on hard disk that are known as sector (a) Both statements are correct. (b) Both statements are incorrect. C) Statement A is correct, but Statement B is incorrect (a) Statement A is incorrect, but Statement B is correct​

Answer 1

Answer:

In computing and optical disc recording technologies, an optical disc is a flat, usually circular disc that binary data in the form of pits and lands on a special material, often aluminum, on one of its flat surfaces. Its main uses are physical offline data distribution and long term archival.