CS201 Midterm Solved MCQs by Waqar Siddhu

CS201 Midterm McQs Solved Papers By Waqar Sidhu

(File 1)

Q1. Consider the following code segment. What will be the output of following code?

int addValue (int*a){ int b = (*a) + 2; return b;

main() { int x=6; cout<< x<< “,”; cout<<addValue(&x) << “x”; cout<< x;

•  6,6,8
•  6,8,8
•  6,6,6

Q2. Here the code is given below. You have to identify the problem in the code. while (i < 10) && (i > 24))

•  The while loop is an exit-condition loop
•  The test condition is always true

Q3. The correct syntax of do-while loop is ________.

•  (condition) while; do ( {statement,};
•  {statement;) do-while ();
•  while(condition); do {statement;};

Q4. Matric is defined as ___________.

•  Single dimensional array
•  Vector product
•  Scalar product

Q5. In programming, comment are used to explain the functioning of the _________.

•  Debugger
•  Editor
•  Linker

Q6. Operating System is a type of a/an ____________.

•  Application software
•  Computer language
•  Interpreter

Q7. From the options given, you need to choose the option which is true for the given code. for (int i = 1; i > 1; i++) {

/* loop code */

•  The while loop is an exit-condition
•  The test condition is always false

Q8. Which of the following value are used in C/C++ to represent true and false?

•  1 and -1
•  11 and 00
•  Any numerical value

Q9. ‘while’ loop may execute ________ or more times.

•  Three
•  Two
•  Once

Q10. Body of any function is enclosed within ___________.

Q11. What will be the correct syntax for initialization of a pointer ptr string “programming”?

•  char ptr = ‘programming’;
•  char*ptr = ‘programming’;
•  *ptr = “programming”;

Q12. Which one of the given option is not a mode for reading/writing the data from a file?

•  in
•  out
•  trunc

Q13. ___________ mode allows us to add data or change data anywhere in the file.

•  iso::app
•  iso::binary
•  ios::edit