Computers are the excellent means for storage of patient related data.It is often necessary to maintain detailed records of the medical history of patients. Doctors often require the information about a patient's family history, physical ailments, already diagnosed diseases and prescribed medicines.
It can help in many ways, like telling your phone that your there to tell the workers to get ready, you don't need to hire a worker cashier anymore but you will need power for it speakers and radios and lights can help you see inside of the area technology has helped us with many things.
c. Book and Periodical are subclasses of LoanableItem
Explanation:
Books are kept in library in a periodical manner. Both classes are not superior, they are subclasses of LoanableItem. Library uses common guide which makes it easy to find a book.
I'm not a tech expert but I think looking for a PDF file is the same thing if you were to look for something on G00gle. Sorry if I'm wrong on this! Hope this helped!
MP3 and . MP4 are the best audio file formats for use on the Web. All modern browsers support this format, including IE9. Other formats that are supported by most browsers include OGG, WebM, AAC, and WAV