CS 110 U of R Midterm 1 || All Answers are Valid.

CS 110 U of R Midterm 1 || All Answers are Valid.


identifier correct answers is a sequence of characters that consists of letters, digits, and
underscores (_).


requirements for an identifier correct answers 1. must start with a letter or an underscore.
2 It cannot start with a digit
3. Cannot be a reserved word i.e: cout
4. Use identifiers of 31 characters or fewer to ensure portability.


statement to make a constant value correct answers const datatype CONSTANTNAME =
VALUE;


short correct answers Synonymy: short int
Range: -32,768 - 32,767
Storage Size: 16-bit signed


unsigned short correct answers Synonymy: unsigned short int
Range: 65,535
Storage Size: 16-bit unsigned


int correct answers Synonymy: signed
Range: 2,147,483,648
Storage Size: 32-bit signed


unsigned correct answers Synonymy: unsigned int
Range: 4,294,967.295
Storage Size: 32-bit unsigned

, long correct answers Synonymy: long int
Range: 2,147,483,648
Storage Size: 32-bit signed


unsigned long correct answers Synonymy: unsigned long int
Range: 4,294,967.295
Storage Size: 32-bit unsigned


long long correct answers Range: -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
Storage Size: 64-bit signed


float correct answers Negative Range: -3.4028235E+38 to -1.4E-45
Positive Range: 1.4E-45 to 3.4028235E+38
Storage Size: 32-bit IEEE 754


double correct answers Negative Range: -1.7976931348623157E+308 to -4.9E-324
Positive Range: 4.9E-324 to 1.7976931348623157E+308
Storage Size: 64-bit IEEE 754


long double correct answers Negative Range: -1.18E+4932 to -3.37E-4932
Positive Range: 3.37E-4932 to 1.18E+4932
Storage Size: 80-bit


statement to find the size o variable on your terminal correct answers cout << sizeof(int) << " "
<< sizeof(long) << " " << sizeof(double);