Input and Output Devices for SSC CGL Tier 2 Preparation

Input and output devices are the essential parts of a computer system. They allow the user to interact with the machine by sending data in and receiving results out. In SSC CGL Tier 2, questions are often asked about the examples, functions, and differences between input and output devices.

What are Input and Output Devices?

Input devices give information to the computer, while output devices show you the results. Together, they allow the computer to interact with users and perform tasks efficiently.

Type	Function	Examples
Input Devices	Send data or instructions to a computer	Keyboard, Mouse, Scanner
Output Devices	Display or produce the processed results from a computer	Monitor, Printer, Speakers

Examples of Input and Output Devices

Input and output devices are essential hardware components that allow a computer to interact with the user. Input devices help feed data and instructions into the computer, while output devices display or produce the results of the processed data. Understanding these devices is important for SSC CGL Tier 2, as questions often test their functions and examples. Below is a table listing the most common input and output devices with their uses.

Type	Examples	Function
Input Devices	Keyboard, Mouse, Scanner, Microphone	Send data or instructions to a computer
Output Devices	Monitor, Printer, Speakers, Projector	Display or produce the processed results from a computer

Difference Between Input and Output Devices

Input and output devices serve opposite but complementary roles in a computer system. While input devices allow users to provide data, output devices let the computer communicate results back to the user.

Feature	Input Devices	Output Devices
Purpose	Send data to the computer	Show results from the computer
Examples	Keyboard, Mouse, Scanner, Microphone	Monitor, Printer, Speakers, Projector
Direction of Flow	User → Computer	Computer → User

Also check out: SSC CGL Typing Test Errors to minimize your errors in Data Entry Speed Test.

Flow of Input and Output in a Computer

The working of a computer system can be better understood with the help of a simple flow diagram. First, the user provides data or instructions through an input device. This data is then processed by the computer’s CPU. Finally, the result is sent to an output device, which presents it back to the user in a readable or usable form. This cycle shows how input and output devices work together to make human-computer interaction possible.

Key Takeaways

• Input devices let you enter data into the computer.
• Output devices display or produce the results.
• Important to know examples and differences for SSC CGL Tier 2.
• Some devices like touchscreens can act as both input and output.

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