Which of the following is not a file opening mode_________________?

• A) ios::ate
• B) ios::out
• C) ios::in
• D) ios::truncate

What is the use of ios::trunc mode?

• A) To open a file in output mode
• B) To truncate an existing file to half
• C) To truncate an existing file to zero
• D) To open a file in input mode

Constructor has ___________.

• A) the same name as data member
• B) the same name as of class
• C) return type
• D) no name

The original value remains unchanged in _________.

• A) Pointers
• B) Call by value
• C) Dynamic Variables
• D) Call by reference

Structures are syntactically defined with the word_____________.

• A) structure
• B) struc
• C) struct
• D) None of the given

For accessing data members we use _________ operator

• A) multiplication *
• B) plus +
• C) Division /
• D) dot .

The memory allocation functions return a chunk of memory with a pointer of type_______________.

• A) void
• B) ptr
• C) integer
• D) float

The heap memory structure __________.

• A) constantly changes in size
• B) contains no space
• C) remains constant
• D) is just like stack

When accessing a structure member, the identifier to the left of the dot operator is the name of ______________.

• A) Structure member
• B) Structure data
• C) Structure variable
• D) Structure tag

What will be the output of the following c++ code?
#include<iostream.h>
#define max 100
main()
{
#ifdef max
Cout<<”Hellow;
}

• A) Error
• B) Hello
• C) “Hellow”
• D) Max is 100

In shifting operations if zero is inserted at the left most bit, the negative number will become a ______ number.

• A) Greater
• B) Negative
• C) Positive
• D) Smaller

_______________function gives the position of the next character to be read from that file.

• A) tellp()
• B) tellg()
• C) seekg()
• D) seekp()

The_______is the increment Operator in c++.

• A) *+
• B) ++
• C) - -
• D) +*

Which of the following is used to create an output stream?

• A) ofstream
• B) iostream
• C) fsstream
• D) ifstream

A class is _____________.

• A) a built in function
• B) a member function
• C) an array
• D) a user defined data type

Why is casting a void* necessary after memory allocation in C?

• A) Because void pointers are unsafe
• B) Because C requires explicit type specification for void pointers
• C) Because void* cannot be dereferenced directly
• D) Both B and C

What is the correct way to define a macro for squaring a number safely?

• A) #define square(x) ((x) * (x))
• B) #define square(x) x ** 2
• C) #define square(x) x * x
• D) #define square(x) (x) * (x)

The malloc function takes ___________ argument(s).

• A) two
• B) four
• C) one
• D) three

a ^= b; can be written as_________________.

• A) a = b ^ a;
• B) a = a^+b;
• C) a = a ^ b;
• D) a^= a + b;

The data, contained in the structure, is defined in the ______________.

• A) none
• B) curly braces
• C) parenthesis
• D) inverted commas