Computer Programming and Applications Question Paper of 3rd Semester Electrical(D) Download Previous Years Question Paper 7

S.B. Roll No……

Computer Programming and Applications

3^rd Exam/ECE/0264/May’09

Duration 3 Hrs.

Section –A

1.                   

a.                 ‘C’ language ahs been developed by ________

b.                 If ‘a’ is an integer variable, then a=5/2 will return value _____

c.                  ________ data items are real data items that provide greater precision than is normally provided by the float real data items.

d.                 The ________ statement causes the loop to be terminated.

e.                  The continue statement is used to transfer the control to the _____ of the loop

State true or false

f.                   Like decimal number system, octal and hexadecimal system can also be used in ‘c’ language

g.                 An identifier/ variable name can begin with _________ (underscore )

h.                 A break statement cannot be used to exit from a statement block in a switch statement.

i.                   The loop in a do ….. while structure is executed at least once.

j.                   In C, an array of characters is called string.

Section –B

          Note : Attempt any five questions

2.                   

a.                 Draw the flowchart to find the smallest of given three numbers.

b.                 What is library function? Mention its sues.

c.                  Explain scanf() and printf () function in C

d.                 Explain the various if structures available in ‘C’ language.

e.                  What happens if the condition in a while loop is initially false? Explain with example

f.                   Differentiate between call by value and call by reference.

‘Section –C

          Note : Attempt any three questions

3.  Differentiate between the following with suitable examples. structure and union structure and arrays

4.                 Write a program in ‘C’ language to multiply two matrices.

5. What do you mean by precedence and associatively of operators ? explain the arithmetic and logical operators with their precedence and associatively.

6.                 Write  a program to solve the following using function ⁿ

7.                 Explain the uses of the following software packages

a.                 Electronic workbench

b.                 Circuit maker

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Computer Programming and Applications Question Paper of 3rd Semester Electrical(D) Download Previous Years Question Paper 6

S.B. Roll No……

Computer Programming and Applications

3^rd Exam/ECE/6160/May’09

Duration 3 Hrs.

1.                 Choose the correct or best alternative in the following:

a.                 Literal means

i.                        A string.

ii.                        A string constant.

iii.                        A character

iv.                        An alphabet.

b.                 Choose the correct answer

i.                        Casting refers to implicit type conversion

ii.                        Coercion refers to implicit type conversion.

iii.                        Casting means coercion.

iv.                        Coercion refers to explicit type conversion.

c.                  Printf(“%d”, printf (“tm”));

i.                        Results in a syntax error

ii.                        Outputs time

iii.                        Outputs garbage

iv.                        Outputs tim and terminates abruptly

d.                 Output of the following program fragment is

X=5

Y= x++

Printf (“%d%d”; x, y)

i.                        5,6

ii.                        5,5

iii.                        6,5

iv.                        6,6

e.                  The value of an automatic variable that is declared but not initialized will be

i.                        0

ii.                        -1

iii.                        Unpredictable

iv.                        None of these

f.                   Consider the following program main()

{ float a=0.5, b=0.7;

If (b < 0.8)

If (a<0.5) printf(“ABCD”);

Else printf(“PQR”);

Else printf(“JKLF”);

}

The output is

i.                        ABCD

ii.                        PQR

iii.                        JKLF

iv.                        None of these

g.                 The following program fragment

Int *a;

*a=7;

i.                        Assigns 7 to a

ii.                        Results in compilation error

iii.                        Assigns address of a as 7

iv.                        Segmentation fault

h.                 A pointer variable can be

i.                        Passed to a function.

ii.                        Changed within function

iii.                        Returned by a function.

iv.                        Assigned an integer value

i.                   The 4-bit binary number 0111 represents

i.                        15

ii.                        -7

iii.                        7

iv.                        -1

j.                   A byte corresponds to

i.                        4 bits

ii.                        8bits

iii.                        16 bits

iv.                        32 bits

Section –B

Note : Attempt any five parts. Each question carries 6 marks

2.  Write a C program that reads a fixed point real number in a character array and then displays right most digit of the integral part of number.

3.                 Output the number x =56.1624 under the following format specification

a.                 Printf(“%7.2f”,x)

b.                  Printf(“%f”,x)

c.                  Printf(“%8.2f”,x)

d.                 Printf(“%e”,x)

4.                 Write a C program that uses ‘for’ construct to find the sum of the following harmonic series for a given value of n and display the sum.

1+1/2+1/3+……+1/n

5.                 Write a C program fragment using do…. While” construct to print out even numbers between 10 to 100 making sure that two number are written per line.

6.                 Given an integer, write a C program that displays the number as follows

First line     : all digits of integer

Second line : all except first right most digit

Third line : all except two light most digits

List line : left most digit

7.                 Describe the output of the following C program fragment

Main ()

{ int k =0, x=0;

While (k<25)

{ if (k%5==0)

{ x+=k;

Print f(“%d *,”x)

}

++k;

{

Printf(“/n jd “x+k,);

}

Section –C

Note : Attempt any three questions

8.                   

a.                 Write a C program to compute the balue of sin function. The loop must terminate when the absolute

Value of the term is less than 0.00001

Sin x=x-x³/3!+x⁵!-x⁷/7!+….

b.                 Write a switch statement that will examine the value of an integer variable flag and print the following messages;

It is hot weather; if flag has value 1

It is a stormy weather, if flag has value 2

It is sticky weather; if flag has value 3

It is a pleasant weather, otherwise

9.                   

a.                 Define a structure name student containing two fields ‘name’ and ‘marks’

b.                 Declare an array of structure having 50 elements of student type.

c.                  Write an input statement for inputting the marks and the names of 50 students defined as above.

d.                 Write a complete C program to compute and print the names of those students who have got more than 80 marks. Also print their marks along with their names.

10.              

a.                 Write a recursive function in C to compute the value of x where n is a positive integer and x has a real value.

b.                 Write a function ‘exchange’ to interchange the values of two variables say x and y. illustrate the use of this function in calling program. Assume that x and y are defined as global variables.

11.              

a.                 Write a C function that returns 1 if the arguments is a prime number is a prime number and returns 0 otherwise.

b.                 Write  a C function for searching an elements in an array of size N. Assume that elements in array are stored in ascending order.

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Computer Programming and Applications Question Paper of 3rd Semester Electrical(D) Download Previous Years Question Paper 5

S.B. Roll No……

Computer Programming and Applications

3^rd Exam/ECE/6160/Des’08

Duration 3 Hrs.

Note Attempt all questions.

Section –A

1.      Do as directed:

a.     In C, size of int variable is ______ bytes.

b.    && is _______-- operator in C.

c.      Define primary key.

d.    Which function is required in all C program.

e.      What is difference between ‘=’ and ‘==’

f.      Dbase is a case sensitive language (T/F)

g.     Array of characters is called _____

h.    Scanf  is output statement (T/F)

i.       CAD stands for computer aided drawings (T/F)

j.       CAI stands for _______

Section  -B

2.       

a.     What is nested –if statements?

b.     What is difference between sorting and indexing?

c.      Explain CAE

d.     Write a program to find real roots of a quadratic equation ax2+bx+c=0 where a = 0.

e.      Explain relational and logical operator.

f.       What is difference between list and display all

g.     What is difference between getch and getche

Section-C

Note : Attempt any two questions

3.     Discuss various types of constants.

4.     Explain features and applications of CAE

5.     Discuss following C statement

a.     Fopen

b.     Scanf

c.      Gets

d.     Puts

e.      Include statements

6.     Explain CAD and CAM 

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Computer Programming and Applications Question Paper of 3rd Semester Electrical(D) Download Previous Years Question Paper 4

S.B. Roll No……

Computer Programming and Applications

3^rd Exam/ECE/6160/Des’07

Duration 3 Hrs.

Note Attempt all questions.

Section –A

1.      Do as directed:

a.     ______ is a statement terminator in C.

b.     In C, equal operator is _______

c.      C is a case sensitive language (T/F)

d.     DBMS stands for __________

e.      CAM stands for _________

f.       C is a middle level language (T/F)

g.     In a ________ database model , data can freely move.

h.     What is data?

i.       The extension of dbase file is ________

j.       In C size of char variable is _____byte.

Section-B

          Note : Attempt any five questions

2.       

a.      What is a database? How can a database be sorted?

b.     How computer are helpful in measurement and control?

c.      What is a array? Explain 1-D & 2-D array?

d.     Write a program in C to find factorial of a number.

e.      What is a data file in C? how it is created?

f.       What is differentiate between while & do –while statement.

g.     What is the structure of C program ?

Section –C

3.     Explain the differentiate between getch() getchar () statements.

or

write a program to find average marks obtained by 30 students using array.

4.     What do you mean by business data processing? Explain

Or

Explain the following Dbase commands

i.                   Edit

ii.                 List

iii.              Pack

iv.              Browse

v.                 Locate  

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Computer Programming and Applications Question Paper of 3rd Semester Electrical(D) Download Previous Years Question Paper 3

S.B. Roll No……

Computer Programming and Applications

3^rd Exam/ECE/ETV/6160/Des’09

Duration 3 Hrs.

Note Attempt all questions.

Section –A

1.      Do as directed:

Fill in the Blanks

a)     CAM stands for _________

b)    CAI stands for ___________

c)     The ________ statement causes the loop to be terminated.

d)    The continue statement is used to transfer the control to the ___ of the loop.

e)     The array declaration for a list of 50 floating point temperature is ______

State true or false

f)      One can index a data base file in the descending order in all cases.

g)     The LIST command lists all records on screen.

h)    The CLOSE command is used to exit form foxpro to DOS.

i)       An array is a group of dissimilar data items.

j)       Fopen () is the function to open a file in standard file library functions.

Section –B

2.      

a.     Explain the steps to sort the data in a database on a selected key.

b.     Explain the engineering computation applications of computers.

c.      Write short note on CAM

d.     Explain the rules for naming variables in ‘C’ language

e.      Write a program in ‘C’ to find greatest of three numbers.

f.       Explain the use of break and continues statements.

g.     Write a program in ‘C’ to find Fibonacci series.

Section –C

          Note : Attempt any three questions

3.     Discuss the use of various applications software available in the field of electronics engineering.

4.     Discuss the commercials and business data processing applications of computers.

5.     Write a ‘C’ program to add two matrices.

6.     Describe the various decisions making statements in ‘C’ language

7.     Discuss the syntax and purpose of various I/O statements in ‘C’ language.

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Computer Programming and Applications Question Paper of 3rd Semester Electrical(D) Download Previous Years Question Paper 2

S.B. Roll No……

Computer Programming and Applications

3^rd Exam/ECE/0264/Des’09

Duration 3 Hrs.

Note Attempt all questions.

Section –A

1.      Do as directed:

a.     The main drawback of C is that it has poor error detection (T/F)

b.     C program must have a main ( ) function (T/F)

c.      In signifies ______

d.     The assignment operator is the equal sign _______

e.      The ___________ operator only works with integer operands.

f.       The first argument of the print f function is called the _____

g.     The for flop is C’s form of an unconditional loop (T/F)

h.     The _________ statement allows branching depending upon a condition.

i.       If-else statement is used to decide between two course of actions (T/F)

Section –B

Note: Attempt any five questions

2.     Explain main sue of structure  in C with example.

3.     All C programs must include a function with name ‘main’. Explain with example

4.     Main ()

{

Print f(‘hallo , world /n’)

}

Explain error in above program

5.     Write a C program that reads in two numbers, stores them and prints out the sum.

6.     Explain function of scanf() with example.

7.     Explain rules for evaluating expression involving the logical operators.

Section –C

Note : attempt any two questions

8.     Explain features of 20 sim. What is new in the latest version of 20 sim.

9.     Explain the term ‘MATLAB- The language of technical computing.

10.    Explain storage classes which  can be used in a C program.  

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