Mainly in CPUs, can also be configured in ram, browsers. You may get confused between Cache and Buffer so let us discuss the difference between cache and buffer. Once it completes execution, CPU Cache holds the data required by this program to make next time execution faster. And finally, the execution starts after the program enters the CPU kernel.The Buffer having the base register and instruction register holds it temporarily. Just before entering the CPU for execution, every program has to go through the Buffer memory inside ram.Main memory has a queue of programs waiting to be executed and the program gets added to that queue. The program now enters the main memory i.e.all the required libraries and functions are called. Once started, the program gets initialized i.e.After installation, The we need to start the program either using a double click or single click (in a case when it available on start or taskbars).Every program requires some methods, functions, classes, and libraries to run, So to copy those functions and libraries, we need to install that program. Any program can execute only if it is installed on the Hard Drive or secondary memory of a system.A step-by-step process of Program Execution The execution of any program starts when the instructions leave the buffer and enter the CPU kernel. The allocated size of the buffer is about 30% of RAM size. Pre Requisite Terms Bufferīuffer is a portion of storage space in the Random Access Memory that can hold data. Buffer overflow happens when data overflow from one storage location to override data stored in nearby locations inside a memory. Buffer Overflow (B.O.) Attack, One of the oldest yet the most dangerous of all cyber attacks.
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