A) IS MOSTLY JUST ENGINE Oil.
The Answer is toolbar.
<span>The mini or small toolbar contains frequently used formatting commands that are displayed when selecting text or objects with the mouse.
Toolbar is also known as Ribbon. It is present in computer interface design. We can see toolbar in many softwares like Microsoft office suite, web explorer, designing softwares etc. it is mostly present under the menu bar and it has many options.</span>
The process that determines how bits are represented on the medium is called encoding. It is the process of converting a certain data into a particular format that is required for a certain processing need like program execution, data transmission or file conversion.
Some of the advanced viruses do this. So it would be true.
