The correct answer is: C. All of the above
A keyboard is an input device that allows a user to input text into a computer or other electronic device. It is one of the most common input devices, and is used for a variety of tasks, such as typing text, entering commands, and playing games.
A mouse is an input device that allows a user to control the cursor on a computer screen. It is one of the most common input devices, and is used for a variety of tasks, such as selecting text, clicking on buttons, and dragging and dropping objects.
Both keyboards and mice are essential input devices for computers, and are used by millions of people around the world.
Here is a brief explanation of each option:
- A. Keyboard
A keyboard is an input device that allows a user to input text into a computer or other electronic device. It is one of the most common input devices, and is used for a variety of tasks, such as typing text, entering commands, and playing games.
A keyboard typically consists of a set of keys, each of which corresponds to a different character or symbol. When a key is pressed, it sends a signal to the computer, which then displays the corresponding character or symbol on the screen.
Keyboards come in a variety of shapes and sizes, and can be either wired or wireless. Wired keyboards are connected to the computer with a cable, while wireless keyboards use a wireless connection, such as Bluetooth, to communicate with the computer.
- B. Mouse
A mouse is an input device that allows a user to control the cursor on a computer screen. It is one of the most common input devices, and is used for a variety of tasks, such as selecting text, clicking on buttons, and dragging and dropping objects.
A mouse typically consists of a small, handheld device with two or more buttons and a scroll wheel. The user moves the mouse across a flat surface, such as a mouse pad, to move the cursor on the screen. The buttons are used to select items and perform actions, and the scroll wheel is used to scroll up and down on a page.
Mice come in a variety of shapes and sizes, and can be either wired or wireless. Wired mice are connected to the computer with a cable, while wireless mice use a wireless connection, such as Bluetooth, to communicate with the computer.
- C. All of the above
Both keyboards and mice are essential input devices for computers, and are used by millions of people around the world.