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.
Answer:
Alt + F9
Explanation:
The Keyboard shortcut that Stephen can use use to toggle between data and the field codes is Alt + F9. This is in regards to Microsoft Word Fields for both Windows and Mac operating systems. Although ALT + F9 will toggle between these two but for all the fields within the document. If you want to toggle between a single or various fields it would be Shift + F9.
Answer: TOS
Explanation:
Terms of service is the agreement and the set of rules and regulations for the site visitors. It include all the terms and condition or the disclaimer when addressing the particular website.
Terms of service are set before designing the any type of the site and content in the system that restrict all the types of business that the users conduct in the site.
Answer:
Perform data backup on the work computer
Explanation:
It is very important that at every point in time that a technician will perform a maintenance, repair, or troubleshooting. the data on the work computer should be backed up to avoid loss. This is done to avoid data loss resulting from failure from hardware or software, backup provides copy of critical data immediately the maintenance is done, therefore backup is very important before any troubleshooting is done.
Answer:(c) abstract class A { abstract void unfinished(); }
Explanation:
A legal abstract class must have the keyword abstract before the class and an abstract class has abstract functions with the keyword abstract written and a void as the return type.
