A                  is a full duplex connection between a device driver and a user level process.

Related MCQs

• When device A has a cable that plugs into device B, and device B has a cable that plugs into device C and device C plugs into a port on the computer, this arrangement is called a
• The model in which one user-level thread is mapped to many kernel level threads is called                        
• The model in which one kernel thread is mapped to many user-level threads is called
• .... is the layer of a computer system between the hardware and the user program
• Which is the layer of a computer system between the hardware and the user program
• The                    present a uniform device- access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
• If one or more devices use a common set of wires to communicate with the computer system, the connection is called              
• Each connection arriving at multi threaded servers via network is generally
• The                program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
• Which facility dynamically adds probes to a running system, both in user processes and in the kernel?