UNIT 2 2.4 Constants

Question 1

refer to fixed values that may not be altered by the program. Turbo C constant
can be any of the basic data types or known as Literal Constants.

Answer 1

Constants

Question 2

constants that are enclosed between single quotes.

Answer 2

Character constants

Example
‘a’, ‘%%’ , ‘P’ , ‘U’, ‘P’

Question 3

constants that are specified as number without fractional components.

Answer 3

Integer Constants

Example
10, -100, 25, 3179

Question 4

Constants that required the use of decimal point followed by the number’s
fractional components.

Answer 4

Floating-point constant
Example
11.123, 1.25, 5.00

Question 5

constant consists of a phrase contained/enclosed within double quotes. These constants are used in printf statements to introduce text messages into a
program.

Answer 5

String constant or Literal string constant

Example
“PUP”, “BSIT”, “BSCS”

Question 6

These constants are defined using a #
defined declaration at the beginning of the program. This declaration is introduced by the word #
defined follow by a constant name and its value.

Answer 6

Declared Constants

Example
# define total 100
# define orange 17.50
# define letter ‘M’
# define x 5
# define word “hello”