2023 with complete solution
In C++, the elements of the array (values stored in the array) must be
A. of the same data type
B. floating point numbers
C. whole number
D. positive whole numbers
E. Boolean values
A. of the same data type
Which of the following would create an array that would hold up to 50 floating points
numbers?
A. float my array[51];
B. float my array[50];
C. in abc[50];
D. double xyz[50];
E. double xyz[49];
D. double xyz [50];
Given the array definition
in candy bars[75];
What is the valid range of indices (subscripts)
A. 1 to 75
B. 0 to 74
C. 0 to 75
D. 1 to 74
E. It cannot be determined from the array definition.
B. 0 to 74
Given the array definition
in clickers[ ] = {8, 6, 1, 18, 19};
what would be output by the statement
court<<clickers[3];
A. 18
B. 19
C. 1
D. 6
E. It cannot be determined.
A. 18
In C++ entire arrays are passed to function in a manner similar to ___________
A. global variables
, B. pass by reference
C. pass by value
D. returning values
E. Entire arrays cannot be passed to functions
B. Pass by reference
A linear search requires that the array be sorted
A. True
B. False
False
Given the array definition
in click array[ ] = {4, 10, 6, 7, 14, 18, 5, 3, 20};
which of the following commands would replace the 18 with 30.
A. click array[6] = 30;
B. click array[5] = 30;
C. 30 = click array[5];
D. 30 = click array[6];
E. Both B and C
click array [5] = 30;
A return statement in C++ can be used to return an entire array to a function call.
A. True
B. False
False (can send back by reference, but not returned by value because there would be overhead)
Given the array declaration
double CQ[5][8];
how many values (maximum number) can be stored in the array CQ?
A. 28
B. 35
C. 32
D. 40
E. As many as the user wants.
D. 40
Supposed you wanted to create a 2-D C-string to hold 25 words and you know the largest
word contains 30 characters. Which of the following would be the correct declaration
(definition)?
A. char my words[24][30];
B. my words char[24][30];
C. char my words[31][25];
D. char my words[25][31];
E. my words char[31][25];
D. char my words [25] [31];