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Yatendra sharma
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Real-Time Sensing on Android
Kernel:     This layer enables raw H/W access. Android uses linux's input sub system (evdev) for sensor devices. The input sub system is an abstraction layer b/w i/p devices and i/p handlers. The i/p devices capture physical inputs and produces i/p events. ...
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Android and Kernel source download, building and flashing
************************************************************************************************************ Android Source download: ************************************************************************************************************ # Create b...
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How to make pen drive bootable using windows cmd ?
For windows7 users:  * Go to “Start” button and click. Write “cmd” then cmd icon will appear on the top of the panel. * “Right click” on the cmd icon and click “Run as administrator”. >> It will open the command prompt. For windows 8 users:  * Press “Window...
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What Does Flash BIOS Mean?
Flash BIOS is a term used to describe the process of updating a
computer's motherboard. It is usually done to increase compatibility or
increase the performance capabilities of a computer. While it become an
easier process to perform over the years, some...
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what is firmware ?.....
s/w that is embedded in a h/w device. it is often provided on the flash ROMS or as a binary image file that can be uploaded onto exiting h/w by a user. computer program in a ROM, EEPROM whose program may be modified by external h/w but not by application pr...
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What is VFS (vitual file system) ?
Defined link between operating system kernel and different file systems supplies application with the system call for the file management ( like open, read ) maintain internal data str and passes appropriate task to appropraite file system Provide standard ...
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Difference b/w Emulator and Simulator?
Simulator - write a program that draw the calculator's display and keys and when user clicks on the keys your progra, does what the old calculator did. duplicate the behaiour of device Emulator - you get a dump of the calculator firmware , then write a prog...
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What is patch file and how to create patch file?
To patch a file means to modify it, with the connotation that the modification is generally small. The usage comes from the general English usage where a patch is a small modification (to a piece of cloth, for example). When it comes to files, a patch is no...
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Os basics
system call ->     1) o.s provides their services via system call API     2) system call API are implemented using system libraries and       system call interface layer of o.s     3) system call API are depend on interrupt handling mechnism of h/w and o....
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