F4 ComProg

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Question

Answer

Returns true if character expression is a digit 0 through 9 otherwise false

isdigit()

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Compares the C string str1 to the C string str2

strcmp()

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Checks if a character is printable

isprint()

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Converts lowercase letter to uppercase

toupper()

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Check if a character is an uppercase letter

isupper()

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What is the identifier given to string class to declare string objects?

String

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What is the output of the following? #include <iostream> #include <string> using namespace std; int main () { string str1 = "Hello"; string str2 = "World"; if (str1==str2) cout << "Equal"; else co

NOT Equal

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What is the output of the given program? #include <iostream> #include <string> using namespace std; int main () { string str1 = "This is a test"; cout << str1.empty(); return 0; }

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Which operator is suitable for the concatenation function of a string class?

+ operator

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What is the output of the following program? #include <iostream> #include <string> using namespace std; int main () { string str3(5, '#'); cout << str3; return 0; }

#####

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How many members are in this structure? struct Person { char name[50]; int age; double salary; };

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It is a collection of variables of different data types under a single name

Structure

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A keyword used to define a structure?

struct

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Can you place an array inside a structure?

Yes

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It is a block of code to perform a specific task

Function

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What is the output of the given program? #include <cctype> #include <iostream> #include <cstring> using namespace std; int main() { char str[] = "c++ programming"; for (int i=0; i<strlen(str); i++) putchar(touppe

C++ PROGRAMMING

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Which of the following is correct?

char str[80];

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Which of the following compares two string values?

strcmp()

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What is the output of the given program? #include <iostream> #include <string> using namespace std; int main () { string str1 = "Hello "; string str2 = "World"; cout << ""; return 0; }

Blank output

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It converts a numerical value to string?

to_string

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What is the output of the given program? #include <iostream> #include <string> #include <cmath> using namespace std; int main () { string s ="79"; int n = stoi(s); cout << n; return 0; }

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Which of the following operator can be used also in strings?

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The data elements in the structure are also known as what?

members

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What operator is used to access the members of a structure?

dot operator

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What is the output of the program? int main() { structure hotel { int items; char name[10]; }a; strcpy(a.name, "Neji"); a.items=10; cout << a.name; return 0; }

error

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What does struct Point arr[5]; do?

All of the mentioned

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The empty parentheses in a function means that it _______________

doesn't have any parameters

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What is the error in the following program? #include <cstring> #include <iostream> using namespace std; int main () { char key[] = "apple"; char buffer[80]; do { cout << "Guess my favorite fruit? "; cin.getlin

Semicolon is missing

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It is a sequence of characters

String

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What is the output of the program? #include <cstring> #include <iostream> int main () { char str[80]; strcpy (str,"these "); strcat (str,"strings "); strcat (str,"are "); strcat (str,"concatenated."); puts (str);

these strings are concatenated.

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What is the output of the given program? #include <iostream> #include <ctype.h> int main () { int i=0; char str[]="first line "; return 0; }

blank screen

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Compares up to num characters of the C string str1 to those of the C string str2

strncmp()

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What is the output of the given program? #include <iostream> #include <string> using namespace std; int main () { string str1 = "This is a test"; string str2 = "test"; cout << "Word is found at index " << str1.find(str2

Word is found at index 10

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If two strings are identical, then the strcmp() function returns:

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The append operator is denoted by:

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Which of the following function converts a numerical value to string?

to_string

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If you have a structure named Person, how can you create a structure variable named s1 and s2?

Person s1, s2;

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

employee.hourlyWage = 75.00;

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Complete the code below: #include <iostream> #include <string> using namespace std; struct Person { string name; int age; double salary; }; int main() { Person s1; s1.name = "Ronel"; s

s1.salary

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You need to create an array from a structure named Students, which is correct?

Students stud[3];

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Which of the following statements assigns a value to the age member of students?

students.age = 22;

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It is simply a function that doesn't need to return anything

Void Function

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The function body is written inside ___________

{}

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Complete the following: struct Person { string name = "Ronel Ramos"; int age = 34; ________ salary = 70514.55; };

double

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