When a computer is running multiple programs concurrently, what is the program that is in the foreground called?

What is the difference between a switch and a hub?

When servers need operating system upgrades or patches, administrators take them offline intentionally so they can perform the necessary work without risking malicious attacks?

Consider the following catch blocks. The variable b has been initialized to 0. If a DivideByZeroException occurs in a try block just before this catch block, what is the value of b when this code completes?

When a single physical computer runs this type of software, it operates as though it were two or more separate and independent computers. Group of answer choices Backup File compression Troubleshooting Virtualization

True or False. A modern programming EXE provides a text editor, a file manager, a compiler, a linker and loader, and tools for debugging, all within this one piece of software.

While at work, Joe asked Dana to show him how to change the copier paper. Joe kept working as she explained the process, and the next time the paper needed to be changed, Joe didn't do it correctly.

Which of the following is an internet job search "don't"? A. use all types of job sites. B. apply for jobs that you are not qualified for. C. take advantage of the special features available on jobs sites. D. customize your cover letter and resume.

The pound sign (#) is the syntax used by excel to indicate that a cell reference is absolute. a. True b. False

You want to search in your contacts in your email program. You enter the person's first name and last name in the search box. You want the computer to diplay with the exact first and last name as well as contactswith either of the names.

Create a static method called findlargest, which takes an array of integers as an input parameter and returns the array index of the largest integer in the array.