Question 11 pts

Given an array named scores with 25 elements, what is the correct way to access the 25th element?

scores+25

scores[24]

scores[25]

scores[last]

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Question 21 pts

Which boolean operation is described by the following table?

A	B	Operation
True	True	True
True	False	False
False	True	False
False	False	False

or ||

and &&

not !

none of the above

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Question 31 pts

Which boolean operation is described by the following table?

A	B	Operation
True	True	True
True	False	True
False	True	True
False	False	False

or ||

and &&

not !

none of the above

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Question 41 pts

Which loop structure always executes at least once?

do-while

for

while

sentinel

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Question 51 pts

When is the external name of the file used in the program?

Any time you read or write to the file

Never

Only when reading from the file

When opening the file stream

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Question 61 pts

Which of the following symbols has the highest precedence?

++

||

&&

-

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Question 71 pts

Which include directive is necessary for C++ file input and output?

#include

#include

#include

#include

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Question 81 pts

Which function returns true if the character argument is a letter?

isdigit

islower

isalpha

isspace

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Question 91 pts

Which of the following are NOT legal function declarations?

int ave3(int a, int b, int c);

int 3ave(int a, int b, intc);

int ave3(int, int, int);

int ave_3(int a1, int a2, int a3);

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Question 101 pts

Multiple arguments to a function are separated by

comments

semicolons

colons

commas

periods

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Question 111 pts

Which statement correctly opens an input stream named in_file and attaches it to a file name project.txt?

in_file=project.txt

in_file="project.txt"

in_file.open("project.txt");

in_file.open(project.txt);

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Question 121 pts

If a file did not open correctly, you should

continue on anyway

display an error message and continue on

display an error message and take some suitable action such as exit

exit the program immediately

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Question 131 pts

Testing your program should be done

As each function is developed

At the end of the coding

Only if there appear to be problems

Only if your instructor requires it.

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Question 141 pts

If you declare and initialize an integer array of size 10, but only list 5 values, what values are stored in the remaining 5 indexed variables?

0

garbage

0.0

'0'

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Question 151 pts

Which of the following is a valid identifier?

3com

three_com

3_com

3-com

dollar$

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Question 161 pts

What are the valid indexes for the array shown below? int myArray[25];

0-25

0-24

1-25

1-24

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Question 171 pts

What is the value of x after the following statements? int x, y, z; y = 10; z = 3; x = y * z + 3;

Garbage

60

30

33

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Question 181 pts

What is the correct way to write the math condition y < x < z

(y < x < z)

( (y < x) && z)

((y > x) || (y < z))

((y < x) && (x < z))

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Question 191 pts

A function may return more than one item

True

False

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Question 201 pts

Functions can return at most one value.

True

False