What is Hit Ratio in Operating System? PDF Download

Learn Hit Ratio definition in operating system with explanation to study “What is Hit Ratio”. Study hit ratio explanation with operating system terms to review operating system course for online degree programs.

Hit Ratio Definition

  • In a two level memory, the fraction of all memory accesses that are found in the faster memory.

    Operating Systems by William Stallings



Hit Ratio Explanation

The performance of memory elements is frequently measured in terms of quantity, this measurement is known as hit ratio. When the CPU needs to find the word in the cache, if the word is found in the cache, it is in main memory as counted miss. The hit ratio is the number of hits divided by the total number of requests.

Keep Learning Operating System Explanations

What is Process State?

Process state is the information provided to the operating system in order for it to manage the processes according to ...

What is Page?

A memory management scheme by which computer stores and retrieves data from secondary storage, such as hard drive, for use ...

What is Compaction?

Compaction is a process in which the free space is collected in a large memory chunk to make some space ...

What is Resident Set?

Resident set is that portion of the process image that is actually in real-memory at a particular time. It has ...

What is Interrupt?

An interrupt is a function of an operating system that provides multi-process multi-tasking. It is a signal that prompts the ...

What is Disabled Interrupt?

A disabled interrupt is created by the operating system in order to gain access to internal data structures for a ...