Chapter 7 Quiz

What is the correct format specifier for printing an unsigned int?

• %ld

• %d

• %i

• %u

Which type conversion is safest to prevent data loss?

• Converting float to int

• Converting char to int

• Converting double to float

• Converting int to long

Which format specifier is used to print a long int?

• %d

• %ld

• %f

• %hd

Which of the following is an unsigned int?

• short int

• int

• long int

• unsigned int

What is integer overflow?

• An arithmetic result is too large to represent

• A variable is too large to store in memory

• An error in scanf

• The program crashes

What is the correct way to prevent overflow when multiplying two ints?

• i = (long)(j * j);

• i = j * (long)j;

• i = (long) j * j;

• i = j * j;

Which cast will convert an int to double in division?

• (double)dividend / divisor

• (float)dividend / divisor

• (int)dividend / divisor

• (long)dividend / divisor

Which floating type in C offers the highest precision?

• extended

• long double

• float

• double

How do you specify a float constant explicitly?

• 3.14F

• F3.14

• 3.14

• 3.14L

What does the typedef typedef int Bool; do?

• Changes bool’s size

• Makes a new integer type

• Creates a type alias for int

• Defines a macro