C Programming : Data types and Operators

What is short int in C programming?

• Qualifier

• Short is the qualifier and int is the basic data type

• All of the mentioned

• The basic data type of C

What will be the output of the following C code? #include int main() { signed char chr; chr = 128; printf("%d\n", chr); return 0; }

• None of the mentioned

• -128

• 128

• Depends on the compiler

Which data type is most suitable for storing a number 65000 in a 32-bit system?

• signed short

• int

• unsigned short

• long

What will be the output of the following C code? #include int main() { int a[5] = {1, 2, 3, 4, 5}; int i; for (i = 0; i < 5; i++) if ((char)a[i] == '5') printf("%d\n", a[i]); else printf("FAIL\n"); }

• The compiler will flag an error

• The program will compile and print the ASCII value of 5

• The program will compile and print FAIL for 5 times

• The program will compile and print the output 5

What is the size of an int data type?

• Cannot be determined

• Depends on the system/compiler

• 4 Bytes

• 8 Bytes

The format identifier '%i' is also used for _____ data type.

• char

• int

• double

• float

Which is correct with respect to the size of the data types?

• char > int > float

• double > char > int

• int > char > float

• char < int < double

Which of the data types has the size that is variable?

• double

• struct

• int

• float

What will be the output of the following C code? #include int main() { float f1 = 0.1; if (f1 == 0.1) printf("equal\n"); else printf("not equal\n"); }

• equal

• output depends on the compiler

• not equal

• error

What will be the output of the following C code? #include int main() { float x = 'a'; printf("%f", x); return 0; }

• a

• a.0000000

• 97.000000

• run time error