CS201 MID 31May2010

MIDTERM  EXAMINATION

Spring 2010

CS201- Introduction to Programming

Question No: 1      ( Marks: 1 ) - Please choose one

 

C language is developed by

       ► Bill Gates

       ► Robert Lafore

       ► Dennis Ritchie

       ► Deitel & Deitel

Question No: 2      ( Marks: 1 ) - Please choose one

 

Which of the following choice is not an example of an int datatype?

       ► 0

       ► -32

       ► 65531

       ► -4.0

Question No: 3      ( Marks: 1 ) - Please choose one

 

 In flow chart, the symbol used for decision making is,

       ► Rectangle

       ► Circle

       ► Arrow

       ► Diamond

Question No: 4      ( Marks: 1 ) - Please choose one

 

Switch statement deals with,

       ► Integer data only

       ► float data only

       ► character data only

       ► Integer and character data

Question No: 5      ( Marks: 1 ) - Please choose one

 

 Default case in switch statement is,

       ► Must

       ► Optional

       ► syntax error

       ► Necessary

Question No: 6      ( Marks: 1 ) - Please choose one

 

*.doc is _____________ by type.

.

       ► Sequential File

       ► Random Access File

       ► Data File

       ► Record File

Question No: 7      ( Marks: 1 ) - Please choose one

 

Member function tellg() returns the current location of the ­­_____________ pointer.

       ► tellptr()

       ► write()

       ► seekg()

       ► get()

Question No: 8      ( Marks: 1 ) - Please choose one

 

Dealing with structures and functions passing  by reference is the most economical method

       ► True

       ► False

Question No: 9      ( Marks: 1 ) - Please choose one

 

 In C/C++ all character strings are terminated with,

       ► Null character

       ► String

       ► Zero

       ► Full stop

Question No: 10      ( Marks: 1 ) - Please choose one

 

Word processor is

       ► Operating system

       ► Application software

       ► Device driver

       ► Utility software

Question No: 11      ( Marks: 1 ) - Please choose one

 

Which of the following can not be a variable name?

       ► area

       ► _area

       ► 10area

       ► area2

Question No: 12      ( Marks: 1 ) - Please choose one

 

Which looping process is best, when the number of iterations is known?

       ► for

       ► while

       ► do-while

       ► all looping processes require that the iterations be known

Question No: 13      ( Marks: 1 ) - Please choose one

 

By default an array of characters is passed by value to a function,

       ► True

       ► False

Question No: 14      ( Marks: 1 ) - Please choose one

 

Which of the following operator is used to access the address of a variable?

       ► * operator

       ► -> operator

       ► && operator

       ► & operator

Question No: 15      ( Marks: 1 ) - Please choose one

 

The name of an array represents address of first location of array element.

       ► True

       ► False

Question No: 16      ( Marks: 1 ) - Please choose one

 

Let suppose

Union intorDouble{

  Int ival;

  Double charvar;

}; 

main(){

intorDouble  VAZ;

int size ;

size = sizeof(VAZ);

}

What will be the value of variable "size", if int occupies 4 bytes and double occupies 8 bytes?

       ► 2

       ► 4

       ► 8

       ► 12

Question No: 17      ( Marks: 2 )

 

What is the difference between for loop and while loop?

Question No: 18      ( Marks: 2 )

 

Consider the structure

struct Customer

{

int custnum;

int salary;

float commission;

};

A programmer wants to assign 2000 for the structure member salary in the above example of structure Customer with structure variable cust1 What line of code should he write

Question No: 19      ( Marks: 2 )

 

When a pointer is incremented then how many bytes will it move to change its address?

Question No: 20      ( Marks: 3 )

 

If there are 2ⁿ elements in an array then what would be the number of iterations required to search a number using binary search and linear search?

Question No: 21      ( Marks: 3 )

 

Perform left shift operation on a binary number 0101 and write the result in binary and decimal.

Question No: 22      ( Marks: 5 )

 

What will be the output of following code segment?

void func(int [], int);

main(){

int arr[5] = {2, 3, 5, 6, 7} ;

func(arr, 5) ;

for (int i = 0; i<5; i++)

cout << arr[i]  << “ ”;

}

void func(int a[], int size){

for (int i = 0; i

a[i] = 2*a[i];

}

Question No: 23      ( Marks: 5 )

 

What is random access file and how data can be read and write into random access file?