Trivia questions and answers, drawn fresh from the well

• Intermediate Intermediate difficulty.
• C

In the C programming language, what keyword defines a constant?

Answer

const

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• Intermediate Intermediate difficulty.
• C

What is the frequency of C5 (one octave above middle C) in equal temperament?

Answer

523.25 Hz

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• Easy Easy difficulty.
• C

In music, what is the name of the chord consisting of C, E, and G?

Answer

C major chord

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• Easy Easy difficulty.
• C

What is the hardest naturally occurring carbon allotrope?

Answer

Diamond

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• Easy Easy difficulty.
• C

What is the size of a char in the C programming language according to the standard?

Answer

1 byte

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• Easy Easy difficulty.
• C

What is the chemical element with atomic number 6?

Answer

Carbon

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• Easy Easy difficulty.
• C

What is the SI unit of temperature with symbol °C?

Answer

Celsius

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• Hard Hard difficulty.
• C

In C, what preprocessor operator converts a macro parameter to a string literal?

Answer

#

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• Hard Hard difficulty.
• C

What is the name of the seminal book by Kernighan and Ritchie that defined the C language?

Answer

The C Programming Language

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• Hard Hard difficulty.
• C

In C, what keyword declares a variable for fast access in a register?

Answer

register

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• Hard Hard difficulty.
• C

What is the approximate frequency of middle C (C4) in hertz under standard tuning?

Answer

261.626 Hz

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• Intermediate Intermediate difficulty.
• C

In C, what function is used to dynamically allocate memory?

Answer

malloc

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