Cross-platform.
--------------------
Answer:
Lowest Level; Machine Language.
Explanation:
The lowest level of a computer is machine language, which are strings of 0's and 1's in bits, and it's possible to perform tasks at this level. It's however difficult to do and humans created <em>Assembly</em>; a type of low level programming language to be readable, and converts to machine language so that we don't have to work in binary.
data declaration means a variable which contain data value and it can be declared as integer, float, character, double, boolean (data types).
example:
int r;
char name;
float g;
double k= 23.34;
b. Ribbons - Powerpoint 2016 has a tabbed ribbon system that groups relevant menus together according to category. The ribbon contains a number of tabs, each having a separate group of commands. The tabs can be used to do most of the common tasks in Powerpoint.
Answer
Procedural programming, Object-oriented programming
Explanation
Procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures within its development period of time. It contains a systematic order of statements, functions and commands to complete a computational task or program. It is centered on creating procedures. While object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. It has four principles which are inheritance, polymorphism, abstraction and Encapsulation