Keyboard shortcuts enable rapid execution of frequent operations. In the majority of word processing applications (such as MS Word and Google Docs), the key combination CTRL + B toggles bold formatting on or off for the highlighted text.
Option (A) CTRL + C: Incorrect. This shortcut is utilized for copying selected content.
Option (B) CTRL + B: Correct. This is the established shortcut for applying bold formatting to text.
Option (C) CTRL + V: Incorrect. This shortcut is used for pasting copied content.
Option (D) CTRL + I: Incorrect. This shortcut is employed to italicize text.