C++ Ch. 7 Arrays, Vectors
Tests on C++ data structure concepts such as arrays and vectors Complete CH 7 theory. PASS >= 70 62 questions No time limit
- 1.An array is a ....
- A.
Non consecutive group of memory locations that share the same type
- B.
Consecutive group of memory locations that share the same type
- C.
Non consecutive group of memory locations that have different types
- D.
Simple data structure containing identical types
- 2.____________ are data structures consisting of related data items of the same type
- 3.Arrays are always _______ structures because they remain the same size throughout execution
- 4.Character arrays can also represent ________ (hint: types)
- 5.An array is a _____________ group of memory locations that all have the same type.
- 6.To refer to a particular location or element in the array, we specify the name of the array and the position _______ of the particular element.
- 7.The position number is more formally called a subscript or index (this number specifies the number of elements from the beginning of the array).
- A.
True
- B.
False
- 8.The first element in every array has subscript ______ and is sometimes called the _____th element.
- 9.A subscript/index must be an integer or integer expression (using any integral type).
- A.
True
- B.
False
- 10.Brackets ' [ ' have a higher precedence than ' ( '
- A.
True
- B.
False
- 11.[ ] and ( ) have the highest precedence
- A.
True
- B.
False
- 12.In order to declare an array of a certain size, you must indicate three things. Check all that apply
- A.
Type
- B.
Name
- C.
Array Size
- D.
Element Initializer List
- E.
All of the above
- 13.At ___________ , the compiler reserves the appropriate amount of memory (arrays).
- A.
Run time
- B.
Program termination
- C.
The middle point of execution
- D.
Compilation
- 14.It is good practice to declare more than one array per declaration to enhance readability.
- A.
True
- B.
False
- 15.Which of the following is an array declaration with initalizers
- A.
Int n[ 10 ];
- B.
Int *n;
- C.
Int &n = 10;
- D.
Int n[10] = { 1, 2, 3, 4, 5 };
- 16.What is the most dominant method for accessing and printing an entire array.
- A.
IF
- B.
WHILE
- C.
IF ELSE
- D.
FOR
- E.
None of the above
- 17.This statement will not compileint array[] = {1, 2, 3, 4};
- A.
True
- B.
False
- 18.If the array size is omitted from a declaration with an initializer list, the compiler determines the number of elements in the array by counting the number of elements in the initializer list.
- A.
True
- B.
False
- 19.If the array size is omitted from a declaration with an initializer list, the compiler determines the number of elements in the array by accessing the closest constant integer to the statement.
- A.
True
- B.
False
- 20.Int n[11];How many possible elements can be stored in this array?
- A.
12
- B.
10
- C.
11
- D.
9
- 21.Int n[11];What is the last index number (or subscript) of this array?
- A.
11
- B.
12
- C.
9
- D.
10
- E.
None of the above
- 22.Providing more initializers in an array initializer list than there are ___________ in the array is a compilation error.
- 23.What is wrong with this code?int SIZE = 7;int array[ SIZE ];
- A.
Size does not need to be declared
- B.
Size should be declared as type double
- C.
Size should be declared as a constant
- D.
Nothing
- 24.Not assigning a value to a constant variable when it is declared....
- A.
Will allow you to modify it during program execution
- B.
Will take on a random value when called
- C.
Will cause a compilation error
- D.
Does not matter because it will allow for modification later
- 25.Const int x;x = 7;Will this compile?
- A.
Yes
- B.
No
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