Answer:PING
Explanation:The ping command is a command that can be used on the command line interface of your computer to verify that a computer can communicate over the network with another computer. it works by inputing ping command with host name address( IP address)and proceeding with enter button to get output.
The correct option is 3.
When an array is passed as a parameter to a function, it is usually passed as a reference parameter. What is actually passed is the address of its first element. Since arrays are typically passed by reference, it means that if the function changes the value of an element in an array, then the corresponding actual array will change that element. To declare an array of real values as parameter one has to specify the parameters.
Answer:
mkdir -m 770 sales
Explanation:
The command mkdir is used to create a directory and the attribute or flag
-m is used to assign permissions on create a folder.
Example:
mkdir -m 770 sales
Create a folder with permissions 770 with name sales
It depends on what application are you using
Answer:
Computers solve complex problems by coding
Explanation:
I hope this helps