What value does the variable 'x' hold if an array is declared as int x[5] = {1, 2, 3}; ?

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Study for the University of Central Florida EGN3211 Final Exam. Practice with flashcards and multiple choice questions, each question with hints and explanations. Prepare effectively and boost your engineering analysis and computation skills for success!

In the given scenario, an array named 'x' is declared and initialized with the values {1, 2, 3}. Since the array is defined with a size of 5, it can hold 5 integers. Because only three values are explicitly provided during initialization, the remaining two positions in the array will be automatically initialized to zero by the C programming language's rules for static storage duration.

Therefore, the values assigned to the array 'x' would be as follows:

x[0] = 1
x[1] = 2
x[2] = 3
x[3] = 0 (default initialization for the remaining index)
x[4] = 0 (default initialization for the remaining index)

If the question refers to the value held by x[3] or x[4], the value in either position is indeed 0. Thus, if you need to identify the value of any uninitialized index in the array, the correct answer points to those elements, which both hold the value of 0 due to automatic initialization.