File access is a resource-intensive operation. Accessing a file from the disk for an application is a time-consuming operation, and accessing data from the primary memory is always faster. So, what if ...

A process may map files to its address space, thereby creating a 1-to-1 equivalence between the files’ data and its corresponding memory-mapped region. Memory mapping has several uses: Dynamic loading ...

I'm working on a Windows text editor using MSVC++ and WTL. One of the decisions I'm having some trouble with is how to perform I/O. I'd like to be able to open up a text file, detect the input code ...

Hope this title is more or less correct! I have written a video importer that has to scan potentially huge files (several Gb) in order to find the frames of interest, with the only requirement for ...

The transfer of data to and from peripheral devices in Windows PCs. The first PCs used port-mapped I/O (PMIO) addressing, which used an address space separate from main memory to read and write ...

Editor's Note: Embedded Systems Architecture, 2nd Edition, is a practical and technical guide to understanding the components that make up an embedded system’s architecture. Offering detailed ...

On the Windows platform, the C++ language offers several ways to process a file. We'll look at four approaches for serial IO access. Reading and writing to a file is one of the most required features ...

This application note describes the usage of file I/O functions using Microchip’s memory disk drive file system library. Microchip’s memory disk drive file system is: Based on ISO/IEC 9293 ...

Driven by such issues as regulatory concerns, multimedia and e-mail spam, storage use is continually escalating even as its costs decline. Within this dynamic environment, cash-strapped end users ...