C - Intricacies of Data Types

Question 1

What are the four basic arithmetic type specifiers?

Answer 1

char, int, float, and double

Question 2

What are the four modifiers for type specifiers?

Answer 2

signed, unsigned, short, and long

Question 3

What is the size of a char?

Answer 3

1 byte (8 bits)

Question 4

What type is a char?

Answer 4

Characters are integer types. They’re stored as numbers using encoding standards such as ASCII and Unicode.

Question 5

What is the range of a char / signed char?

Answer 5

Atleast [-127, +127]

Question 6

What is the range of an unsigned char?

Answer 6

Atleast [0, +255]

Question 7

How do you declare strings?

Answer 7

You declare the strings the same as an array.
Example (string literal, implicit length): char myString[] = “String”;
Example 2 (string literal, explicit length): char myString[9] = “String”;
Example 3 (implicit length): char myString[] = {‘S’, ‘t’, ‘r’, ‘i’, ‘n’, ‘g’};
Example 4 (explicit length): char myString[9] = {‘S’, ‘t’, ‘r’, ‘i’, ‘n’, ‘g’};