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  2. Activation energy - Wikipedia

    en.wikipedia.org/wiki/Activation_energy

    With the catalyst, the energy required to enter transition state decreases, thereby decreasing the energy required to initiate the reaction. A substance that modifies the transition state to lower the activation energy is termed a catalyst ; a catalyst composed only of protein and (if applicable) small molecule cofactors is termed an enzyme .

  3. User interface - Wikipedia

    en.wikipedia.org/wiki/User_interface

    The computer does not prompt for further input after the processing has started. Command line interfaces (CLIs) prompt the user to provide input by typing a command string with the computer keyboard and respond by outputting text to the computer monitor. Used by programmers and system administrators, in engineering and scientific environments ...

  4. User interface design - Wikipedia

    en.wikipedia.org/wiki/User_interface_design

    The touch user interfaces popular on small mobile devices are an overlay of the visual output to the visual input. User interface (UI) design or user interface engineering is the design of user interfaces for machines and software , such as computers , home appliances , mobile devices , and other electronic devices , with the focus on ...

  5. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    An input scheme known as algebraic operating system (AOS) [7] combines both. [7] This is the name Texas Instruments uses for the input scheme used in some of its calculators. [8] Immediate-execution calculators are based on a mixture of infix and postfix notation: binary operations are done as infix, but unary operations are postfix.

  6. Svelte - Wikipedia

    en.wikipedia.org/wiki/Svelte

    Svelte is widely praised by developers. Taking the top ranking in multiple large scale developer surveys, it was chosen as the Stack Overflow 2021 most loved web framework and 2020 State of JS frontend framework with the most satisfied developers.

  7. Impulse response - Wikipedia

    en.wikipedia.org/wiki/Impulse_response

    In signal processing and control theory, the impulse response, or impulse response function (IRF), of a dynamic system is its output when presented with a brief input signal, called an impulse (δ(t)). More generally, an impulse response is the reaction of any dynamic system in response to some external change.

  8. The best flip phones for seniors in 2025 - AOL

    www.aol.com/lifestyle/best-flip-phones-184204157...

    Best overall flip phone LIVELY Jitterbug Flip2 - Flip Cell Phone for Seniors - Not Compatible with Other Wireless Carriers - Must Be Activated Phone Plan - Red

  9. Heat of combustion - Wikipedia

    en.wikipedia.org/wiki/Heat_of_combustion

    The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it. The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions.