Answer:
Explanation:
PDF or (Portable Document Format) this is a format standard to store, design, administrate, this standard include bit maps format, image format, objects, and text format, all these formats to show pages quickly, PDF is a standard and for the devices can show this format, devices like prints, laptops, or even cellphones.
The answer to the question is A
Answer:
Header files serve two purposes. System header files declare the interfaces to parts of the operating system. You include them in your program to supply the definitions and declarations you need to invoke system calls and libraries.
