CS201 Midterm MCQs Set 3 by VU Topper RM

In an n-dimensional array, we use _______ 'for loop(s)' to populate the array.

A. n

B. n+2 C. n+1 D. n-1

What will be the correct syntax for declaration of the following statement?"ptr is a constant pointer to an integer" A. const int *myptr; B. int const *ptr; C. const * int myptr;

D. int *const ptr ;

'\0' takes ________ space in the memory. A. 8 Bytes B. 4 Bytes C. 2 Bytes

D. 1 Bytes

What will be the output of the following C++ code?{ char str1[6] = " Hello"; char str3[5]; strcpy( str3, str1); cout <<strlen(str3) ; } A. 6 B. 8 C. 7

D. 5

For the following statement, how much memory will be allocated to myarray[1]?char * myarray[] = {" Arif", " Sadia"}; A. 7 Bytes

B. 6 Bytes

C. 5 Bytes D. 4 Bytes ifstream in File; refers ______________. A. object for editing in a file

B. object for reading from a file

C. object for writing to a file D. deleting a file

Character strings are terminated by ___________.

A. \0

B. \o C. \n D. \t

Which of the following is true about streams? A.It is a sequence of bytes B.It is an ordered sequence C.All bytes can go through the stream simultaneously D.Bytes that enters first into the stream will go out at last A. A and D B. A and B

C. A only

D. C only

The value of a pointer can be __________.

A. address of a variable

B. name of the variable C. value of the variable D. none of the given options

What is output of following code?int data[10] = {10,20,30,40,50,60,70,80,90,100};int *xptr = &data[4];int *yptr = &data[6];cout<<xptr + yptr++;

A. Syntax error

B. 110 C. 120 D. 130

When an identifier is declared with keyword const then, A. Its value can be changed with arithmetic operator B. Its value can be changed during execution.

C. Its value cannot be changed

D. Its value can be overwritten

We can read, write and manipulate the same file using ___________. A. iomanip.h

B. fstream.h

C. iostream.h D. stdio.h

The parameter passed to isdigit() function is ____________variable. A. Boolean

B. Character

C. Float D. Double

Following is an array of ________ rows and ________ columns. int num[3][4];

A. 3,4

B. 4,5 C. 2,3 D. 4,3

Strings are accessed by variable of type ___________. A. int

B. char

C. float D. double