Final answer:
Understanding the essentials of information technology (IT) is true to be a competent computer user, as it aids in making informed decisions, adapting to rapid technological changes, and is increasingly crucial across various job sectors.
Step-by-step explanation:
To address the question of whether understanding the essentials of information technology (IT) is necessary to be a competent computer user, the answer is A. True. In today's digital era, where technologies like cell phones and computers are pervasive, a basic comprehension of how these devices and related systems work is indispensable. This knowledge allows us to make better decisions both individually and as a society, particularly in the face of fast-paced technological advancements. Moreover, the capability to interpret and utilize data properly is a valuable skill set that is increasingly essential in a variety of employment sectors. In the IT field, understanding fundamentals can lead to specializations such as software programming, network management, and addressing issues like data breaches, which are all relevant and impactful in the modern workforce.