Which Kind of Keyboard Projects an Image of a Keyboard

question 105

Multiple Choice

Which kind of keyboard projects an image of a keyboard on a flat surface?

• A)automatic
• B)virtual
• C)digital
• D)embedded

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Definitions:

Atom

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, with electrons orbiting this nucleus.

Molecule

The smallest unit of a chemical compound that can exist independently while retaining the composition and chemical properties of the compound.

Cis-trans Isomers

Isomers that differ in their spatial arrangement of groups around a double bond or within a ring, affecting the physical and chemical properties of the molecules.

Constitutional Isomers

Molecules that have the same molecular formula but different connections among their atoms.