Answer:
Control knobs are a simpler type of input hardware and one of the most common components in control systems, and are found on all sorts of devices from taps and gas stoves to optical microscopes, potentiometers and radio tuners.
Relational operators allow an end user to <u>compare</u> numbers.
<h3>What are
relational operators?</h3>
Relational operators can be defined as a programming language construct which allows an end user to compare both numbers and char values.
Also, it can be used to determine whether one number is less than (<), greater than (>), equal to (=), or not equal to another.
This ultimately implies that, relational operators allow an end user to <u>compare</u> numbers.
Read more on relational operators here: brainly.com/question/14995818
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<span>Volatile memory requires electricity or some kind of current to store information, and nonvolatile memory does not.</span>
