--%>
Assignment Help - homework help

Main uses of Virtual memory

Illustrate the main uses of Virtual memory?

E

Expert

Verified

a.    When there is a requirement for the program to increase the memory size Virtual memory can be used.

b.    The program looks this memory as a contiguous address but virtual memory is the part of the RAM itself and also helps in saving the inactive parts in the disk file.

c.    Program uses its own memory space for its processing which consists of own virtual space and the resources.

d.    Virtual memory can permits to generating a virtual environment where it displays something also it seems to kept something else, such as if the address looks 0x12345678, so it might look in physical memory at this address 0x65f7a678.

e.    For dividing the memory, Virtual memory contains of pages also the pages that contains itself a set of attributes such as read/write etc.

   Related Questions in Programming Languages

  • Q : Basic Units of CSS Specify the Basic

    Specify the Basic Units of the CSS.

    		•
  • Q : Define the term Arpanet Define the term

    Define the term Arpanet: It is a network which was a forerunner of the global Internet.

    		•
  • Q : Define the term Blank final variable

    Blank final variable: A final variable which is not initialized as portion of its declaration. This variable should be initialized in either an instance initialization block or every of the constructors for its class before it is employed. A static bl

    		•
  • Q : Explain Method overriding Method

    Method overriding: It is a method stated in a super class might be overridden by a method of similar name stated in a sub class. The two methods should have similar name and number and types of formal arguments. Any checked exception thrown by sub-cla

    		•
  • Q : Explain Polymorphism Polymorphism : It

    Polymorphism: It is the ability of an object reference to be employed as if it referred to an object with various forms. The polymorphism in Java outcomes from both class inheritance and interface inheritance. The actually different forms frequently o

    		•
  • Q : Explain Decrement operator Decrement

    Decrement operator: It is an operator (--) which adds one to its operand. This has two forms: pre-decrement (--x) and post-decrement (x--). In its pre-decrement form, the outcome of the expression is the value of its argument subsequent to the decreme

    		•
  • Q : What is applet? Explain life cycle of

    Ans. Applet: An applet is an application designed to travel over the internet and to be executed on the client machine by a java compatible

    		•
  • Q : Explain the CPU scheduling decisions

    Explain the CPU scheduling decisions.

    		•
  • Q : Define Abstract class Abstract class :

    Abstract class: It is a class with the abstract reserved word in its header. The Abstract classes are differentiated by the fact that you might not directly construct objects from them employing the new operator. The abstract class might have zero (0)

    		•
  • Q : Define Identifiers Define Identifiers

    Define Identifiers and their naming convention in brief?

    		•