The person or user associated in computer field is called​

Explanation:

A computer programmer, sometimes called a software developer, a programmer or more recently a coder (especially in more informal contexts), is a person who creates computer software.

computer technision because it's the person who fixes and maintenance of the computer and makes sure everything is running ok with it and has no bugs or viruses or spam.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.