You Have Opened the Security & Privacy Preferences Pane, but You

question 5

Essay

You have opened the Security & Privacy preferences pane, but you cannot access most of the settings, and notice a lock icon on the bottom left corner of the pane. What does the lock indicate and what must you do to make changes in this pane?

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Definitions:

Specimen

An individual animal, plant, piece of a mineral, etc., used as an example of its species or type for scientific study or display.

Magnifications

Magnification refers to the process of enlarging the appearance of an object through optical instruments, such as microscopes, without altering its actual size.

Iris Diaphragm

A mechanical adjustable aperture in optical devices that controls the amount of light passing through by adjusting its size.

Condensers

In the context of laboratory equipment, condensers are devices used to cool vapors and condense them into liquids; in electrical engineering, they are an older term for capacitors, components that store electrical energy.