The correct answer is a. effective communication
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Ineffective and barriers to communication are problems that make communication unclear. Workplace communication is at work or at a job. This is not a job newsletter for workers, but for people at home.
I don't think so because the old computers may have not been to date as what we have now but check it out and see.
Solution:
It is done by Operating system.
An Operating system is system software that manages computer hardware and software resources and provides common services for computer programs.
Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.
For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.
I would vote for D since you can adjust picture positioning and wrapping. A is BS, B and C are not true.
A- overusing highlights lowers the contrast and degrads the effect of the highlights.