What is an I/O subsystem?

The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function and speed, varied methods are required to control them. These processes form the I/O subsystem of the kernel, which divide the rest of the kernel from the managing I/O devices

 

Posted Date: 6/19/2013 3:44:03 AM | Location : United States

Ask an Expert

Related Discussions:- What is an i/o subsystem, Assignment Help, Ask Question on What is an i/o subsystem, Get Answer, Expert's Help, What is an i/o subsystem Discussions

Write discussion on What is an i/o subsystem
Your posts are moderated

Write your message here..

Related Questions

Several cpu-scheduling algorithms, Q. Several CPU-scheduling algorithms are... Q. Several CPU-scheduling algorithms are parameterized for instance the RR algorithm requires a parameter to indicate the time slice. Multilevel response queues require parameters

Define ageing, Define Ageing Ageing is a method of enhancing the priori... Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation

Unix, what is difference between file descriptor and file pointer? what is difference between file descriptor and file pointer?

Illustrate the handshaking protocol, Q. The instance of handshaking used 2... Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc

Need of shift alteration in critical section problem?, Explain with an exam... Explain with an example the need of Shift Alteration in critical section problem? Consider processes P i and P j and consider the algorithm for P i and P j .

Computer number systems, Binary number based systems   Binary is a  ' base... Binary number based systems   Binary is a  ' base 2' number system, only two numbers exist namely '0' and '1'. Conversion from binary to base 10 is easy if the number column techn

Binary Semaphore, What is a binary Semaphore? What is a binary Semaphore?

..unbounded buffer, what is unbounded buffer what is unbounded buffer

Garbage collection, The dynamic memory allocator is a layer between the app... The dynamic memory allocator is a layer between the application and the OS, managing heap objects. When a program requests memory from the allocator (via malloc(), for instance), t

Question 3:, Question 3: (a) Fincorp Ltd is an insurance company wishing t... Question 3: (a) Fincorp Ltd is an insurance company wishing to change over to a better business system using an improved version of a financial information system (FIS). The direc