The most fundamental task performed by the operating system is to schedule the operation of the CPU, controlling how data and instructions are loaded from memory and accessed by the CPU. The operating system also manages the memory of the computer, organizing storage into files and directories (or folders). Finally, the operating system connects the CPU and memory with the other hardware components of the computer, allowing software applications to access memory and interact with the input/output devices.

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A GUI utilizes intuitive, visual elements to simplify the process of viewing files and executing programs. Programs, directories and files are represented as icons, or small pictures that convey some aspect of the element they symbolize. Windows represent separate workspaces that can be active at the same time, displaying files or executing programs. Most GUIs also utilize pull-down menus of commands, which allow the user to identify and select common commands easily.

Computer Science & Information Technology

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A system for which only input and output are prototypes is called a:

A) first-of-a-series. B) patched-up. C) nonoperational. D) selected features.

Computer Science & Information Technology

What is displayed on the console when running the following program?

``` public class Test { public static void main(String[] args) { try { System.out.println("Welcome to Java"); int i = 0; int y = 2/i; System.out.println("Welcome to Java"); } finally { System.out.println("End of the block"); } System.out.println("End of the block"); } }``` a. The program displays Welcome to Java three times followed by End of the block. b. The program displays Welcome to Java two times followed by End of the block. c. The program displays Welcome to Java two times followed by End of the block two times. d. The program displays Welcome to Java and End of the block, and then terminates because of an unhandled exception.

Computer Science & Information Technology

A control button is a form control used to execute or reject a user action.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Can you add custom terms to the Dreamweaver dictionary for spell checking?

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Computer Science & Information Technology