L1 Cache

L1 cache is a small, ultra-fast memory located inside a computer's processor. It temporarily stores frequently used data and instructions so the CPU can access them quickly without waiting for slower main memory (RAM). By holding this essential information close to the processor, the L1 cache speeds up overall performance, reducing delays in executing tasks. Think of it as a quick-access desk drawer with your most-used tools and papers, keeping important items nearby to get work done faster.