Specialty Digest

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Encyclopedia

Technology & Computing

Computing, AI, networks and the digital world

Open-source software

In simple terms Open-source software is software whose source code, the human-readable instructions behind the program, is published under a license that lets anyone view, modify, and redistribute it. [1] That stands in contrast to proprietary software, where the vendor keeps the source code private and only distributes the compiled program. How it works The

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Open-source software is software whose source code is published under a license that lets anyone view, modify, and redistribute it.

Telephone

In simple terms The telephone is a device that converts sound into an electrical signal and back again, allowing two people in different locations to hold a real-time voice conversation. [1] How it works In the earliest telephones, a microphone converted the sound waves of a speaker’s voice into a continuously varying electrical current. That

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The telephone is a device that converts sound into electrical signals and back again, allowing voice conversation between people in different locations.