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Processing unit Essay Topics & Paper Examples

Central processing unit

A system call, sometimes referred to as a kernel call, is a request in a Unix-like operating system made via a software interrupt by an active process for a service performed by the kernel. A process (also frequently referred to as a task) is an executing (i. e. , running) instance of a program. An active process is a process that is currently progressing in the CPU (central processing unit), as contrasted with processes that are waiting for their next turns in the CPU. An interrupt is a signal to the kernel that an event has occurred, and this results in changes in the sequence of instructions that is executed by the CPU. A software interrupt, also referred to as…