Amajor task for someone in the telecommunications or a/v technology pathway would include

installing.
editing.
entertaining.
writing.

In telecommunication or A/V technology pathway have four major tasks, which as follows:

a. installing. b. editing. c. entertaining. d. writing.

Explanation:

Installing:- It is major roles play in telecommunication or A/V technology. Where telephone tower to place and configure the GSM module interface and communicate to next tower or nearest towers.

As for as A/V (audio video technology) different dish and related antenna to be connected to computer and configure the play video file and output STBBOX or HDBOX which connected to TV.

Editing:- it is simple role where the tower direction or scanned and configured.

Entertaining:- Basically just play the audio or video either from dish or local hard disk to TV output.

Writing:- It is document which will be done as finial once above task is completed.

Installing is the major role in In telecommunication or A/V technology.

system programmer option d is correct

because an operating system is software that manages computer hardware and system resources.

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.