Review (Exam)

Question 1

Can you overload operators in structs?

Accepted Answer

Yes

Question 2

Which loop in C++ is pre-tested?

Accepted Answer

while loop

Question 3

Can structs be returned from functions?

Accepted Answer

Yes

Question 4

Can a struct include an array?

Accepted Answer

Yes

Question 5

Can structs contain methods?

Accepted Answer

Yes

Question 6

What is the key characteristic of a vector in programming?

Accepted Answer

Dynamic size

Question 7

What happens if struct members are not initialized?

Accepted Answer

They contain garbage

Question 8

How are function prototypes beneficial in programming?

Accepted Answer

To inform the compiler about the function's signature before definition

Question 9

What is an accumulator in programming?

Accepted Answer

A variable used to accumulate or store running totals

Question 10

How does a 'for' loop differ from a 'while' loop?

Accepted Answer

'for' loop is post-tested, 'while' loop is pre-tested

Question 11

What does the modulus operator '%' do in programming?

Accepted Answer

Returns the remainder of division

Question 12

What is the meaning of '++' in programming?

Accepted Answer

Increase by 1

Question 13

How are files typically used in programming?

Accepted Answer

To store and retrieve data

Question 14

How do you declare a two-dimensional array in C++?

Accepted Answer

int array[2][2];

Question 15

How is a switch statement used in programming?

Accepted Answer

To select among multiple alternatives based on a value

Question 16

What is the primary purpose of vectors in programming?

Accepted Answer

To store and manipulate dynamic arrays

Question 17

How do you declare a one-dimensional array in C++?

Accepted Answer

int array[10];

Question 18

What is the significance of 'return' statement in a function?

Accepted Answer

To return a value from the function

Question 19

How are functions useful in programming?

Accepted Answer

To encapsulate reusable pieces of code

Question 20

What is a variable in programming?

Accepted Answer

A container for storing data

Question 21

Can a struct contain another struct?

Accepted Answer

Yes

Question 22

What is the purpose of '||' in logical expressions?

Accepted Answer

Represents 'or' condition

Question 23

What is the difference between a function declaration and a function definition?

Accepted Answer

Declaration provides the signature, definition provides the implementation

Question 24

How do you define a struct?

Accepted Answer

With the 'struct' keyword

Question 25

What is pass by value in function parameters?

Accepted Answer

Values are passed as a copy

Question 26

How is an 'if' statement used in programming?

Accepted Answer

To execute a block of code conditionally

Question 27

What is the syntax for a 'do-while' loop in C++?

Accepted Answer

do { /* code */ } while (condition);

Question 28

How are struct members initialized?

Accepted Answer

Sequentially

Question 29

In programming, what is considered a constant value?

Accepted Answer

A value that doesn't change during program execution

Question 30

What is a counter in programming?

Accepted Answer

A variable used to keep track of iterations or occurrences

Question 31

How are pointers used in programming?

Accepted Answer

To store memory addresses

Question 32

What is the purpose of '&&' in logical expressions?

Accepted Answer

Represents 'and' condition

Question 33

What is the purpose of a loop in programming?

Accepted Answer

To repeat a set of statements

Question 34

What is default access for struct members?

Accepted Answer

Public

Question 35

What is the purpose of the 'sizeof' operator in C++?

Accepted Answer

To determine the size of a data type or variable

Question 36

What is a struct in C++?

Accepted Answer

A user-defined data type that groups variables under a single name

Question 37

What keyword is used to access struct members?

Accepted Answer

.

Question 38

What is the purpose of a sentinel value in programming?

Accepted Answer

To indicate the end of a data set or sequence

Question 39

What is a struct in C++?

Accepted Answer

An operator

Question 40

Is it possible to nest structs in C++?

Accepted Answer

Yes

Question 41

What cannot be part of a C++ struct?

Accepted Answer

Virtual functions

Question 42

Can structs be constants?

Accepted Answer

Yes

Question 43

What do logical operators in programming deal with?

Accepted Answer

Boolean expressions and conditions

Question 44

What is pass by reference in function parameters?

Accepted Answer

Memory address of the variable is passed

Question 45

Can a struct have member functions?

Accepted Answer

Yes

Question 46

What is the role of the 'switch' statement in C++?

Accepted Answer

To select among multiple alternatives based on a value

Question 47

What does the 'static' keyword signify for a variable in C++?

Accepted Answer

The variable is local to the current scope

Question 48

How is a 'continue' statement used in a loop?

Accepted Answer

To skip the current iteration and move to the next

Question 49

How are arrays used in programming?

Accepted Answer

To store and manipulate data as a collection of elements

Question 50

What is the purpose of a 'break' statement in a loop?

Accepted Answer

To exit the loop prematurely

Question 51

What does the 'const' keyword indicate in C++?

Accepted Answer

A variable that cannot be modified

Question 52

What is the purpose of user input in a program?

Accepted Answer

To provide data to the program during runtime

Question 53

What does the 'else' statement complement in an 'if-else' construct?

Accepted Answer

The 'if' condition

Question 54

How is an 'if-else if-else' construct used in programming?

Accepted Answer

To select among multiple alternatives based on multiple conditions

Review (Exam)

Questions 54

Review (Exam)

Questions 54