Answer:
A logical unit of a system.
Explanation:
i'm thinking your are talking about system layers such as the ISO? Layers help identify the order of how the whole system works.
Answer:
Mouse and Keyboard are the devices which can be used to give input to the computer.
Explanation:
Mouse and Keyboard both are connected with the CPU via USB cable. Mouse consists of 3 major buttons, left button(for click to get the task to be done), right button (to get options) and wheel (to scroll up and down the page on screen). Keyboard is use to type text and letters as per need.
Answer and Explanation:
In order to use the justified text
The name of the tab is the Home tab
The command is
First select the data in which you want to justify
Than go to the home tab after that go to the paragraph tab and then click on the dialog box launcher after that choose the drop-down menu of alignment and set justified text
The shortcut key is to use it is Ctrl + J