A file from which data is read is a .doc file.
Answer:
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.
JPEG is a file format for an image that will be compressed. Since it compressed the file size will be much smaller. That makes JPEG is one of the most used file types for images and was a default format for many application. But the drawback of compressing an image is that a portion of the data will lose and will cause the image quality dropped or produce a noise.
<u>Answer:</u>
<em>In a cross-site request forgery, browser </em><u><em>Link</em></u><em> help send a forged HTTP request.</em>
<u>Explanation</u>:
<em>CSRF is a kind of attack which compels the user to click on the unwanted links </em>or make him to perform some actions on the browser which the user is not intended to do so.
<em>They mainly target on Change request such as fund transfers, modifying their mail id’s etc</em>.
So they do all things by knowing Social engineering tricks and transfer the control of the <em>user to one another application created by the hackers and obtain the information and it is not just for theft of data.
</em>
Answer:
The USB 3.0 device may be connected to port 2.0 of the computer.
Explanation:
A lot of computers have only USB 2.0 ports and does not have a USB 3.0 port, so when a USB 3.0 deice is connected a USB 2.0 port it does not work as expected.
As the USB 2.0 offer signaling rate of 480 megabits per second as maximum but on the other hand USB 3.0 offer a signaling rate of 5 gigabits per second. The transfer rate depends upon using the port and device of same index. This means when a USB 3.0 is attached to a USB 2.0 port it will not give the transfer rate as 5 gigabits instead the rate will be that as offered by USB 2.0 port.
The only difference between the two port, USB 2.0 and USB 3.0 physically is that USB 3.0 is colored blue while USB 3.0 port is black in color.