What Happens If You Attempt to Use a Variable Before

question 20

Multiple Choice

What happens if you attempt to use a variable before it has been initialized?

• A) A syntax error may be generated by the compiler
• B) A runtime error may occur during execution
• C) A "garbage" or "uninitialized" value will be used in the computation
• D) A value of zero is used if a variable has not been initialized
• E) Answers A and B are correct

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Definitions:

Glaucoma

A group of eye conditions that damage the optic nerve, often associated with increased intraocular pressure, leading to loss of vision if untreated.

Receptor Cells

Specialized cells that respond to specific types of stimuli, such as light, sound, or chemical substances.

Neural Responses

The reactions of nerve cells or neurons to external stimuli, including how they process and transmit information.

Retina

The light-sensitive layer at the back of the eye that contains photoreceptor cells, which convert light into neural signals for visual recognition by the brain.