Answer:
your answer would be to ur question would be B
Sure, how would you like me to send you the code?
Explanation:
This is because the SEO might not be able to access the media items wherever they are, or they could be deleted, or the media items may not be compatible with the SEO. It could also help to have alternatives for accessibility purposes. Therefore, it is important for the SEO to have alternatives to display incase a media item is unable to display for whatever reason.
Answer:
Explanation:
A disk block works by transferring data between the disk and main memory units which are called the blocks, whose size can range drastically from 512 bytes to several thousand. This data is converted to hardware-level cylinder, surface, and sector number which makes accessing the data immensely slower than accessing data in the main memory. This time constraint is also the main reason as to why accessing a disk block is so expensive.