--%>
Assignment Help - homework help

Define difference between write through and write back cache

Define the difference between write through and write back cache?

E

Expert

Verified

Write Through.
After writing within cache memory, main memory is updated too immediately to maintain reliability

Write Back
After writing within cache memory a flag bit termed as dirty bit is set. While this value requires to be replaced that bit is check, when it is set then the value is taken to primary storage (main memory).

   Related Questions in Programming Languages

  • Q : Define Modem Modem : It is a

    Modem: It is a modulator-demodulator. A hardware device employed to connect a digital computer to an analogue telephone network by making analogue signals into digital signals, and vice-versa.

    		•
  • Q : What are good examples of element

    What are good examples of element attributes?

    		•
  • Q : What are the valid and invalid XHTML

    What are the valid and invalid XHTML element names?

    		•
  • Q : What is Search path Search path : It is

    Search path: It is a list of folders (that is, directories) to be searched - for a program or class, for example.

    		•
  • Q : What are the uses of GPC and GPT What

    What are the uses of GPC and GPT?

    		•
  • Q : CPU programming When a process enters

    When a process enters the CPU, your program must now "fork"and "exe" a stand alone child process. You MUST use "glxgears" for the child process.                            When a context switch occurs

    		•
  • Q : Virtual memory used in Windows

    Explain why the virtual memory is to be used in Windows architecture?

    		•
  • Q : Define Finally clause Finally clause :

    Finally clause: This is a part of try statement which is always executed, either subsequent the handling of caught exception, and normal termination of the protected statements.

    		•
  • Q : Explain Call-by-value Call-by-value:

    Call-by-value: The semantics of passing an argument to a method in which a copy of actual argument value is taken and positioned in a separate memory location, symbolized by the corresponding formal argument. As an outcome, assignment to the formal ar

    		•
  • Q : What is High level programming language

    High level programming language: Languages like Ada, Java, C++, and so on which give programmers with features like control structures, classes, methods, packages, and so forth. Such features are mostly independent of any specific instruction set, and

    		•