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Briefly discuss on I/O hardware?
A controller is a collection of electronics that can operate a port, a bus, or a device. A serial-port controller is an easy controller. It is a single chip in the computer that controls the signals the signal on the wires of a serial port. The device control registers are mapped into the address space of the processor. The CPU implements I/O requests using the standard data transfer instructions to read and write the device-control registers. An I/O port having of
a. Status register
b. Control register
c. Data-in register
d. Data-out register
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
Invalid page fault :If a page fault happens for a reference to an address that's not part of the virtual address space, so that there could not be a page in memory corresponding
Cold Backup: It is copying the three groups of files when the object is shut down. This is a straight file copy, generally from the storage disk directly to tape. You must end th
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Sir i want formulas in Memory management starting from paging till the demang paging in a easy manner for solving problems in competitive exams
what is application software?
1. How is reliability enhanced with the microkernel approach to system design? 2. In a virtual machine design where guest operating systems are independent virtual machines sup
describe competing process
Describe the differences among short-term, medium-term, and long-term scheduling. Short-term (CPU scheduler)-selects from jobs in memory those jobs that are ready to execu
Write socket based fortune teller server
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