Bookstore and BookSearch are the two entities for the given scenario.
Explanation:
- For the given Book.com virtual store, there can be two entities like Bookstore and BookSearch.
- Bookstore can have all the details of the books in the virtual store. hence the attributes can be
- Bookstore attributes: bookname, Authorname, Publisher, Publishedyear, Agegroup, category.
- BookSearch entity can be used to search the books in the virtual store.
- Booksearch attributes: bookname, category, bookid, authorname.
Answer:
Option (D) is the correct answer of this question.
Explanation:
Moore's Law relates to Moore's theory that the number of transistors on a microchip doubles every two years while device costs are halved.
Interpretations of Moore's law assert the computing power doubles every 18 months.The Moore's Law theory states that development is exponential.Moore's Law states that every couple of years we should expect our computers to increase their speed and capacity and we'll pay less for them.h
Option(A),Option(B) ,Option(c) and option(E) do not belongs to Moore's law so these options are incorrect options.
The best answer to this question should be (A)
Cloud Computing.
In general, cloud computing is the term used for the delivery
of hosted services over the internet. We can also simply put cloud computing as
the delivery of computing services like storage, servers, databases, software
and more over the internet.
Answer:
mobility and broad reach
Explanation:
The two major characteristics of mobile computing are:
Mobility: It basically refers to the portability. Mobility means that users can carry their mobile device wherever they go. This facilitates real-time communication with other devices. Users can take a mobile device anywhere and can contact with other devices and systems via a wireless network for example a user, wherever he happens to be, can log in to his email account to check his emails using his mobile phone.
Broad Reach: It basically means that the mobile device users can be reached at any time. This means that the users of an open mobile device can be instantaneously contacted. Having an open mobile device means that it can be reached by or connected to other mobile networks. However mobile users also have options to restrict specific messages or calls.
Answer: Yes, the eIC could be used for assent.
Explanation:
Electronic informed consent (eIC) may be used for seeking, confirming and documenting informed consent.
