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Question: 181

Structure variables may be passed as arguments to functions

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: structure in C++

Question: 182

You can define any number of union variables, but each variable can store the value of one member at a time

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: union in C++

Question: 183

In the following structure declaration, idNum is:
Struct Employee
{
String name;
int idNum;
};

(A) a member
(B) an array
(C) a tag
(D) None of these

Level: Beginner

Category of MCQ: structure in C++

Question: 184

Which of the following statements assigns a value to the hourlyWage member of employee[2]?

(A) employee[2]->hourlyWage = 50.00;
(B) employee2.hourlyWage = 7.50;
(C) hourlyWage[2].employee = 29.75;
(D) employee[2].hourlyWage = 75.00;

Level: Beginner

Category of MCQ: structure in C++

Question: 185

Which of the following statements outputs the value of the gpa member of element 1 of the student array?

(A) cout<<student1.gpa;
(B) cout<<firstStudent.gpa;
(C) cout<<student[1].gpa;
(D) cout<<student1 ->gpa;

Level: Beginner

Category of MCQ: structure in C++

Question: 186

After the following statement executes, what value will the MAPLE enumerator be stored as, in memory?

enum Tree { OAK, MAPLE, PINE };

(A) MAPLE
(B) 2
(C) ‘M’
(D) 1

Level: Beginner

Category of MCQ: enum in C++

Question: 187

Data stored in RAM disappears once a program ends or the computer is powered down.

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: other in C++

Question: 188

When you store data in a variable it is automatically saved in a file

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: datatype in C++

Question: 189

By default, files are opened in binary mode

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: filehandling in C++

Question: 190

Which of the following statements opens a file and links it to a file stream object?

(A) file.open(“c:filename.txt”);
(B) open(afile) = link(anObject);
(C) linkstream(“filenemae.txt”)
(D) link(open(filename.txt);

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 191

Only one file stream object can be declared per C++ program

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: filehandling in C++

Question: 192

Which member function writes a single character to a file?

(A) get
(B) write
(C) put
(D) insert

Level: Beginner

Category of MCQ: filehandling in C++

Question: 193

Closing a file causes any unsaved information still held in the file buffer to be saved to the file.

(A) TRUE
(B) FALSE

Level: Expert

Category of MCQ: filehandling in C++

Question: 194

The end-of-file marker is automatically written when a file is closed

(A) TRUE
(B) FALSE

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 195

When a file is opened by the program, the file stream object’s “read position” is

(A) At the end of the file
(B) At the beginning of the file
(C) Nonexistent until the program declares it
(D) There is no read position

Level: Practitioner

Category of MCQ: filehandling in C++

Question: 196

Objects in C++ are created from abstract data types that encapsulate data and functions together

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: classesAndobjects in C++

Question: 197

The public access specifier is used to protect important data

(A) TRUE
(B) FALSE

Level: Beginner

Category of MCQ: inheritance in C++

Question: 198

A C++ class is almost similar to a structure

(A) True
(B) False

Level: Beginner

Category of MCQ: classesAndobjects in C++

Question: 199

C++ Class declarations should never be stored in their own header file

(A) True
(B) False

Level: Beginner

Category of MCQ: classesAndobjects in C++

Question: 200

Assume that Honda is an instance of the Car class,
and that Car class has a member function named run.
Which of the following is a correct call to the run function?

(A) Honda->run;
(B) Honda.run();
(C) run()
(D) Honda()

Level: Beginner

Category of MCQ: classesAndobjects in C++

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