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Interrupts
The hardware mechanism that enables a device to inform the CPU is called an interrupt. The basic interrupt mechanism works as follows. The CPU hardware has a wire known as the interrupt-request line that the CPU senses after implementing every instruction.
Write a program that will input two numbers from the keyboard and execute each of the signed and unsigned multiply and divide instructions. For each instruction, the program shoul
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
what is instant messaging used for
The term IPC (Inter-Process Communication) defines several paths by which different process executing on some operating system interact between each other.
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
What is turnaround time? Turnaround time is the interval from the time of submission to the time of completion of a process. It is the sum of the periods exhausted waiting to g
Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wait
Now we consider the following questions: how can the parent process communicate with its child? Or how can children processes communicate with other children? The exact answer depe
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
The field that consists of a segment index or an internal index is known as Target datum is field that consists of a segment index or an internal index.
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