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1) A datatype in any programming language defines the type of data a variable will hold in memory. The basic datatypes in C++ are:
char --> character (such as "a" or b"), or a small integer (-128<n<127 or 0<n<255)
int --> integer (whole numbers)
bool --> boolean (i.e. true or false)
float --> floating point number (can have decimal numbers up to 7 digits)
double --> double precision floating point number (can have decimal numbers up to 15 digits)
2) Control statements in programming control what pieces of code will be executed when.
Branching control statement --> depending on the condition, different code will be executed. Examples of branching control statements are if and switch statements
Declaration control statement --> executes code while the conditions of the statement are being met, these are typically loops: for, while etc.
3) Object oriented program essentially models computer language as easy to decipher thinking. Unlike machine code which is like learning a new language entirely, in object oriented programming it reads and flows like thought: if this, then do that, for this, do that, etc.
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