Compilers Questions and Answers – Array Reference – 1

This set of Compilers Multiple Choice Questions & Answers (MCQs) focuses on “Array Reference – 1”.

1. Which of the following correctly declares an array?
a) Int array[ 10]
b) int array
c) array{10}
d) array array[ 10]
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2. What is the index number of the last element of an array with 29 elements?
a) 29
b) 28
c) 0
d) Programmer-Defined
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3. Which of the following is a two-dimensional array?
a) array array[20][20]
b) int array[20][20]
c) int array[20, 20]
d) char array[20]
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4. Which of the following correctly accesses the seventh element stored in tan?
a) tan[6]
b) tan[7]
c) tan(7)
d) tan
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5. Which of the following gives the memory address of the first element in array tan?
a) tan[0]
b) tan
c) &tan
d) tan [1]
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6. What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of array?
a) The compiler would report an error
b) May stop working abruptly if data gets overwritten
c) None of the mentioned
d) The element will be set to 0
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7. What does the following declaration mean?

 int (*a)[10] a

a) Pointer to an array
b) None of the mentioned
c) Array of 10 integers
d) Pointer to an array & Array of 10 integers
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8. What is the meaning of the following declaration?

Int arr[20]

a) Integer Array of size 20
b) None of the mentioned
c) Array of size 20
d) Array of size 20 that can have higher integer address
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9. What will be the size of below array elements?

int a[20]

a) 21
b) 22
c) 20
d) 19
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10. What is meaning of the following?

Int *ptr[20]

a) Interger array of size 20 pointing to an integer Pointer
b) None of the mentioned
c) Array of integer pointer of size 20
d) All of the mentioned
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