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A method for the CPU to communicate with the device, Software to instruct and control the device, and Electricity to power the device.
a method for the CPU to communicate with the device, software to instruct and control the device, and electricity to power the device
You can enter a command by using the keyboard. Some commands also have abbreviated names called command aliases.To enter a command by using the keyboard, type the full command name on the command line and press ENTER or SPACEBAR.Specify Command OptionsWhen you enter commands on the command line, you see either a set of options or a dialog box. For example, when you enter circle at the command prompt, the following prompt is displayed:Specify center point for circle or [3P/2P/Ttr (tan, tan, radius)]:You can specify the center point either by entering X,Ycoordinate values or by using the pointing device to click a point on the screen.To choose a different option, enter the letters capitalized in one of the options in the brackets. You can enter uppercase or lowercase letters. For example, to choose the three-point option (3P), enter 3p.Execute CommandsTo execute commands, press SPACEBAR or ENTER, or right-click your pointing device after entering command names or responses to prompts. The instructions in Help assume this step and do not specifically instruct you to press ENTER after each entry.Repeat and Cancel CommandsIf you want to repeat a command that you have just used, press ENTER or SPACEBAR, or right-click your pointing device at the command prompt.You also can repeat a command by entering multiple, a space, and the command name, as shown in the following example:Command: multiple circleTo cancel a command in progress, press ESC.
No, Mouse is an input device. Because mouse is used to instruct the computer where to point the cursor and anything that is used to instruct computer in any way is an input device. Output Devices show the processed data by a computer for e.g. a monitor shows where the cursor is by processing the input from a mouse.
An electrical system to provide power It needs software to instruct the device A method for the CPU to communicate with the device
Enables the interface.
A calculator, at least the modern ones, are devices that will "crunch numbers" and find answers to mathematical processes we instruct them to undertake. They have programs that they run to perform mathematical operations on command (but according to their limits). A pencil is a writing device that we must power up with our body and our mind.
The show tech-support command will give you the longest output.
The mount command instructs the kernel to access the file system on a partition or device.
The command would be show connections.
mount .
Each hardware device needs a method to talk to the CPU, software to control it, and electricity to power it.