Manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
Answer:
Four types of errors program should test for user input are given in explanation
Explanation:
1. Program should test that extension contains exactly three letters
2. Program should test that extension doesn't contain any number or special character
3. Program should test that extension doesn't contain any white space
4. Program should test that extension doesn't contain any punctuation mark
Answer:
The answer is a VOID method.
Explanation:
A void method is one that simply performs a task and then terminates.
