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Two ways that devices can gain the attention of the CPU?

Anonymous

∙ 16y ago

Updated: 4/28/2022

1) Pressing a key on the keyboard, the keyboard controller sends an interrupt to the CPU.

Wiki User

∙ 16y ago

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Different states of a process?

In computing, if a processor is running and doing a number of activities, those activities are known as its states. As a processor executes, its state changes. There are number of states like New state i.e. creation of new process, Running state i.e. execution of instructions, Waiting state i.e. its a state where processor is waiting for some activity to occur, Ready state i.e. in this a particular process has acquired the resources and is waiting to be assigned to a processor, Terminated state i.e. the execution of a process has completed.

Related Questions

How much performance gain with a typical CPU upgrade?

You can gain anywhere from 5-100% depending on how old your previous cpu was.

What two devices for processing?

there is only 1 processing device the CPU.......

What three methods or devices are used to cool a CPU?

Passive and active air cooling and liquid cooling. What three methods or devices are used to cool a CPU

Why the input output devices are slower than cpu or memory devices?

because of their design

What is intermediary devices between the CPU and the monitor?

Graphic

What writes data and instructions in storage devices and performs calculations and other data processing?

Cpu

What kind of secondary storage devices do large computer use?

cpu

What are the devices outside a computer that accept data and transfer it to the CPU?

Devices outside a computer that accept data and transfer it to the CPU are known as input devices. Common examples include keyboards, mice, scanners, and microphones, which allow users to input various forms of data. These devices convert user actions or physical data into signals that the CPU can process.

How does a device get the cpu attention?

A device gets the CPU's attention through interrupts, which are signals sent to the processor indicating that it requires immediate attention. When a device needs to communicate or request service, it sends an interrupt request (IRQ) to the CPU. The CPU then pauses its current tasks, saves its state, and addresses the interrupt by executing the corresponding interrupt handler. Once the interrupt is serviced, the CPU resumes its previous tasks.

Why are interrupt required?

Interrupts are required in order to get the attention of the CPU. A CPU typically has two interrupt lines. One is the nonmaskable interrupt line (NMI). That is used in the case of critical errors, since this interrupt cannot be ignored. The other one is the regular interrupt line. That is used by hardware devices and certain software to get the attention of the CPU. When you move a mouse, for instance, that creates both a hardware and software interrupt. So the CPU would then process the mouse driver code and move the cursor, then get back to what it was doing.

What are the processing devices of the computer?

CPU-Central Processing Unit

What is major devices of computer?

Its is the CPU, HDD, processors, and RAM.

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