A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
Answer:
B. having lunch with a friend
Explanation:
Lifelong learning can be defined as a continuous, self-motivated, and self-initiated learning activity that is typically focused on personal or professional development. Thus, it's a form of education that is undertaken throughout life with the sole aim of pursuing knowledge, competencies, and skills for either personal or professional growth and development, especially after acquiring a formal education.
Some examples of lifelong learning includes the following;
I. Reading a trade magazine.
II. Reviewing a textbook.
III. Studying an encyclopedia.
The answer is (a.) DOS
DOS stands for Disk Operating System. MS-DOS is the operating system which has a command interface similar to the command prompt of Windows 7 and Windows 8. Among the options, DOS is the only OS which is has a command line interface. Others have graphics.
He should've paid more attention to his friends teasing him. It was an honest mistake and easy to do, we're all human.
Answer: B : F and J
Explanation: Allows you to type without looking at keys and makes all the keys easily accessible
