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Results tagged with io
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user 63202
Input/Output of data to/from a system. This usually implies file storage or network communication, but may also mean interaction with a user through a user interface.
1
vote
How does a process know the location of another's stdout, stderr, stdin?
the point is how does a process know where is another's stdin in the memory or on a hard drive for example?
They typically know it by telling them! A (parent) process that creates a child process c …
- 34.4k
6
votes
How do peripherals decide which address to use in memory-mapped I/O?
It depends on the bus specification.
For example, PCI uses an enumeration scheme whereby the OS probes for each possible device, and finding a device, asks it how many memory blocks it wants, and h …
- 34.4k
3
votes
Accepted
Does a full duplex communication object conflict with single responsibility?
In addition to the other very good answers here, one way to think about it is that you are not really improving the level of abstraction (in the direction of a full duplex capability) by applying indi …
- 34.4k
2
votes
What does "address space" means when talking about IO devices?
so the CPU can treat the memory and the IO devices as one logical memory chip... ? …
- 34.4k
10
votes
How does the Base Address Registers (BARs) in a PCI card work?
This question should be moved to stackoverflow. Maybe someone will do that.
Am I correct?
Essentially, yes.
Each BAR holds the address of a communication area. This address can be set and rea …
- 34.4k