Input

Data fed into a computer for processing. Computers receive input through an input device, like a keyboard, or from a storage device, such as a disk drive.
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Overview

Input refers to the data fed into a computer system for processing. Inputs can be supplied through various input devices such as keyboards, mice, scanners, or storage devices like disk drives. Think of input as the means by which data and commands enter into a computer system for interpreting and executing tasks.

Examples

  1. Keyboard Input: Typing text into a word processor.
  2. Mouse Input: Clicking and dragging graphic elements in design software.
  3. Scanning documents: Using a scanner to digitize paper documents.
  4. Downloading Files: Receiving data from a cloud storage service.

Frequently Asked Questions (FAQs)

What is input in computing?

Input in computing refers to the data or instructions entered into a computer system for processing, typically through input devices or storage devices.

What are common input devices?

Common input devices include:

  • Keyboards
  • Mice
  • Scanners
  • Microphones
  • Digital cameras

How does input differ from output?

Input is the information entered into a computer system, while output is the information produced by the computer after processing the input, typically displayed on a screen, printed on paper, or stored for future use.

Can storage devices act as input sources?

Yes, storage devices like hard drives, SSDs, and flash drives can act as input sources when they provide data to the computer.

What role does software play in processing input?

Software interprets the input data and executes commands or operations accordingly. It acts as a mediator between the hardware input device and the desired output.

  • Output: Data produced by a computer after processing input.
  • Input Device: Hardware used to provide data input to the computer system.
  • Data Processing: The manipulation of input data to generate meaningful information.

Online References

  1. What is Input in Computer? – Techopedia
  2. Input device | computer science | Britannica

Suggested Books for Further Study

  1. “Computer Science Illuminated” by Nell Dale and John Lewis: A comprehensive introduction to the fundamentals of computer science.
  2. “Digital Design and Computer Architecture” by David Harris and Sarah Harris: A detailed guide to understanding computing architecture, including input mechanisms.
  3. “How Computers Work” by Ron White: An in-depth look into the inner workings of computers, including input and output processes.

Fundamentals of Input: Computer Science Basics Quiz

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