As an Amazon Associate I earn from qualifying purchases.

Disk Cache Definition and Explanation PDF Download

Learn Disk Cache definition in operating system with explanation to study “What is Disk Cache”. Study disk cache explanation with operating system terms to review operating system course for online degree programs.

Disk Cache Definition:

  • A buffer, usually kept in main memory, that functions as a cache of disk blocks.

    Operating Systems by William Stallings



Disk Cache Explanation:

A disk cache is a mechanism for improving the time it takes to write to and read from hard disk. The disk cache is usually included as part of the hard disk. A disk cache can also be a specified portion of RAM.

Keep Learning Operating System Explanations

What is Livelock?

Livelock is similar to deadlock, the difference is that the states of the processes involved in the livelock constantly change ...

What is Page Fault?

Page fault occurs when a program attempts to access a block of memory that is not stored in the physical ...

What is Message?

A message is a unit of information that is sent to the user or the system operator with the information ...

What is Hit Ratio?

The performance of memory elements is frequently measured in terms of quantity, this measurement is known as hit ratio. When ...

What is Session?

A session is a collection of process groups, and all members of a process group are members of the same ...

What is Prepaging?

Prepaging is a technique in which the operating system preloads the pages of a process's working set into memory in ...