The basic principle of cache and the classification of cache

1. Foreword: why cache? As the number of users grows, the architecture evolves and the amount of data increases, we begin to consider how to optimize the performance. The first law of performance optimization is to give priority to caching. 2. Basic principle of cache 2.1 the role of cache 1. Speed up data access; […]

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Introduction and application of SRAM

SRAM (static random access memory). It is a kind of memory with static access function, which can save its internal data without refreshing the circuit. SRAM is mainly used in the system that needs small cache or power consumption. For example, many 8-bit MCU can support small ram and insufficient internal cache; or 16 bit […]

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Do you know anything about browser caching mechanism

I believe that many front-end children’s shoes are not too unfamiliar with browser cache, but if there is no systematic summary, it may be difficult to understand in a few words. How to answer it perfectly is a question worth thinking about. Of course, we can’t master it just to deal with the interview, but […]

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What is hard disk cache for

We all know that hard disk is more important to computer because it can store many important things. So we all agree that the larger the hard disk cache, the better, because they think that the larger the hard disk cache, the faster the computer will run. When you buy a hard disk, you don’t […]

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How to replace a component in OrCAD schematic in batch

Sometimes you need to replace a component in the schematic diagram in batches, or add attribute values to the same component in a unified way, which requires the replace cache and update cache commands. Batch replace cache Open the cache and select the components to replace, as shown in the figure Right click, replace cache […]

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