What are the four user-defined shortcut keys? A. Enter, Esc, Tab, Alt B. Home, End, Page Up, Page Down C. F1, F2, F3, F4 D. Ctrl+G, Ctrl+L, Ctrl+O, Ctrl+U

Break Down the Problem

1. Identify the concept of user-defined shortcut keys in computer systems.
2. Analyze each option to determine which consists of commonly user-defined shortcut keys.

Relevant Concepts

User-defined shortcut keys are customized key combinations that allow users to perform specific actions quickly in software applications.

Analysis and Detail

1. Option A: Enter, Esc, Tab, Alt – These are standard keys commonly used for various functions but not typically user-defined shortcuts.
2. Option B: Home, End, Page Up, Page Down – These keys navigate the text cursor and are not generally considered user-defined shortcuts.
3. Option C: F1, F2, F3, F4 – Function keys that can be assigned specific actions, often used for user-defined commands in applications.
4. Option D: Ctrl+G, Ctrl+L, Ctrl+O, Ctrl+U – These are combinations that are frequently defined by users or software applications to execute specific commands (e.g., open files, find text).

Verify and Summarize

• Options C and D contain keys that can be associated with user-defined actions.
• However, option D specifically lists combinations known for user-customizable commands.

Final Answer

The correct choice is D. Ctrl+G, Ctrl+L, Ctrl+O, Ctrl+U, as these are typically user-defined shortcut keys in many applications.