--%>
Assignment Help - homework help

Functions of Interrupts and system calls

What are the various functions of Interrupts and system calls?

E

Expert

Verified

a.    Interrupts allow the CPU to switch back to the kernel mode, as this cannot be done automatically.

b.    The CPU consist of many interrupts which can allow certain types of events such as timers, keyboard and output devices to interrupt the CPU.

c.    For the events in the form of interrupts that are taking place in the CPU an interrupt handler is being setup to handle it.

d.    During the interrupt the CPU stops the working of the currently running program and it switches to the kernel mode.

e.    The interrupt handler is being executed to manage the events that are occurring in the system.

   Related Questions in Programming Languages

  • Q : Define the term Subordinate inner class

    Define the term Subordinate inner class: It is an inner class which executes well-defined subordinate tasks on behalf of its enclosing class.

    		•
  • Q : Define Number of Interleavings Number

    Number of Interleavings: Besides the raw number of threads, the state space is affected by the number of potential interleavings of these threads. While there exist automated techniques (partial-order reduction) to reduce these interleavings, most mod

    		•
  • Q : What is an Immutable object Immutable

    Immutable object: It is an object whose state might not be modified. The objects of String class are immutable, for example - their length and contents are fixed once formed.

    		•
  • Q : Explain a quality and metrics reporting

    What opinion would you provide to someone who asked you where to begin to introduce to their company a quality and metrics reporting program?

    		•
  • Q : Explain the difference between a

    Explain the difference between a computer process and thread.

    		•
  • Q : Define the term Local inner class and

    Define the term Local inner class and Local variable: Local inner class: It is an inner class stated in a method. Local variable: It is a variable defined within

    		•
  • Q : Define Undeniable Signature Scheme

    Define Undeniable Signature Scheme?

    		•
  • Q : Transaction processing monitor or TP

    What is a transaction processing (TP) monitor?

    		•
  • Q : What is an Object construction Object

    Object construction: The creation of an object, generally through the new operator. Whenever an object is formed, a suitable constructor from its class is summoned.

    		•
  • Q : Reading Algorithms Assignment 1:

    Assignment 1: Algorithms Rules: See the Assignment Rules file on the class Moodle site. 1 Reading Algorithms (20 points) Input: A nonempty string of characters S1S2 . . . Sn, and a positive integer n giving the number of characters in the string. Output: See t

    		•