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CSE FINAL Questions and Correct Answers
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  • Module
  • CSE
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6.33 Read Following statements T/F ? a) C automatically passes arrays to functions using pass by reference. b) When C passes an array to a function, the called function normally can modify the element values in the caller's original array. c) The name of an array is actually the address of the...

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  • August 9, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cse final questions and correct answers

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  • CSE
  • CSE

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CSE FINAL Questions and Correct
Answers

5.9 If a = 7.0, b = 7.0 and c = 6.0, then what is printed by

printf( "%.2f", sqrt( a + b * c ) );

a) 49

b) 7.00

c) 7

d) 49.00


✓✓~~ANS: (b)




5.10 What is the value of fabs( -5.0 )?

a) 5

b) 5.0

c) -5

d) -5.0


✓✓~~ANS: (b) all math functions return double in C




5.13 Which is not a motivation for "functionalizing" a program?

,a) The divide-and-conquer approach makes program development more

manageable.

b) Software reusability—using existing building blocks to create new programs.

c) Avoid repeating code.

d) Execution performance—functionalized programs run faster.


✓✓~~ANS: (d)




5.15 The function prototype

double mySqrt( int x );

(a) defines a function called mySqrt which takes an integer as an argument and

returns a

double

(b) defines a function called double which calculates square roots

(c) defines a function called mySqrt which takes an argument of type x and returns a

double

(d) defines a function called mySqrt which takes a double as an argument and

returns an

integer


✓✓~~ANS: (a)




5.18 Which of the following functions does not contain any errors?

, (a) void printnum ( int x )

{

print( "%i", x );

return x;

}

(b) int cube( int s )

{

return ( s * s * s );

}

(c) double triple ( float n )

return ( 3 * n );

(d) double circumference ( int r );

return ( 3.14 * 2 * r );


✓✓~~ANS: (b)




5.19 int square( int ); is an example of a function __________.

a) datatype

b) stereotype

c) prototype

d) proceduretype

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