1. . What is the function of the "Ctrl" key on a keyboard?
(A) It is used in combination with other keys to perform keyboard shortcuts
(B) It is used to control the computer's volume
(C) It is used to access the computer's settings
(D) It is used to turn on and off the computer
2. . What is the purpose of the "Shift" key on a keyboard?
(A) It is used to open a new window
(B) It is used to access special characters
(C) It is used to delete text
(D) It is used to capitalize letters
3. . What is the function of the "Tab" key on a keyboard?
(A) It is used to switch between open windows
(B) It is used to create a new paragraph
(C) It is used to delete text
(D) It is used to indent text
4. . What is the purpose of the "Backspace" key on a keyboard?
(A) It is used to go back to the previous webpage
(B) It is used to delete the character to the left of the cursor
(C) It is used to delete the character to the right of the cursor
(D) It is used to close the current window
5. . What is the function of the "Enter" key on a keyboard?
(A) It is used to submit a form or command
(B) It is used to insert a new line or paragraph
(C) It is used to switch between open windows
(D) It is used to turn off the computer
6. . What is the purpose of the "Esc" key on a keyboard?
(A) It is used to access the computer's settings
(B) It is used to cancel an action or operation
(C) It is used to close the current window
(D) It is used to switch between open windows
7. . What is the function of the "Alt" key on a keyboard?
(A) It is used to access the computer's settings
(B) It is used to control the computer's volume
(C) It is used in combination with other keys to perform keyboard shortcuts
(D) It is used to turn on and off the computer
8. . What is the purpose of the "Delete" key on a keyboard?
(A) It is used to delete the character to the left of the cursor
(B) It is used to close the current window
(C) It is used to delete the character to the right of the cursor
(D) It is used to turn off the computer
9. . Which of the following is NOT a common interface problem of computer keyboards?
(A) Sticky keys
(B) Ghosting
(C) Broken keys
(D) Overheating
10. . What is the term used to describe a problem where multiple keys pressed simultaneously are not all registered by the computer?
(A) Stuck keys
(B) Sticky keys
(C) Ghosting
(D) None of the above