1. The input device is the device that provides data and control signals to the computer.

2. Major examples of input devices -

- Keyboard, Mouse, Scanner, Joystick, Microphone, Magnetic Ink Character Recognition (MICR), Optical Character Reader (OCR), Touchpad, Touch Screen, Webcam.

1. Joystick is mainly used for computer gaming.

2. What is Joystick? It is a small device whose primary purpose is to control an appliance. It works as an input device and helps the user navigate in different directions.

3. With the joystick, you can change your device by moving it up, down, left or right. It works according to the input you give and helps you control the device by tilting or rotating it.

1. The motherboard acts as a platform to connect all of the computer's components together.

2. It connects the CPU, memory, hard drive, optical drive, video card, sound card, and other ports and expansion cards directly or through cables.

3. It can be considered as the backbone of the computer.

4. The CPU is the brain of the computer, and it is responsible for executing program instructions and processing data. Memory provides short-term storage for computers,

5. It stores program instructions and data that is used by the CPU.

An output device is a computer hardware device that displays or reproduces information processed by a computer in human-readable form. Output devices usually receive information from the computer through an input device, such as a mouse or keyboard.

Some examples of output devices include-

1. Monitor: A monitor is a visual output device that displays images generated by a computer.

2. Printer: A printer is a physical output device that prints computer-generated documents on paper.

3. Speaker: A speaker is an audio output device that reproduces the sound produced by the computer.

4. Headphone: A headphone is a personal audio output device that reproduces the sound generated by a computer solely for the user to hear.

5. Projector: A projector is similar to a monitor, but it projects images onto a larger screen.

6. GPS Device: A GPS device is an output device that displays its current location to the user on a map or other view.

7. Braille Reader: A Braille reader is an output device that displays computer-generated information in Braille for visually impaired people.

Includes a multi-functional printer.

- printer

- scanner

- copier

1. The operating system runs on computer hardware and provides the platform to run other software.

2. The computer takes the help of various devices and programs to do its work. There is a separate and special computer program to handle these devices and programs, this special master program is known as the operating system.

3. Operating System, in short form is called OS, is a computer program which operates other computer programs. The operating system acts as an intermediary between users and the computer system. It explains our instructions to the computer. Other software programs and hardware are operated through the operating system.