memory mapping: meaning, definition, pronunciation and examples
C1/C2Technical
Quick answer
What does “memory mapping” mean?
A technique that allows a computer program or operating system to access files or hardware devices by manipulating memory addresses directly, creating a virtual map between physical memory and a resource.
Audio
Pronunciation
Definition
Meaning and Definition
A technique that allows a computer program or operating system to access files or hardware devices by manipulating memory addresses directly, creating a virtual map between physical memory and a resource.
1. In computing: The process of associating a range of memory addresses with a file, device, or other resource, enabling efficient data access. 2. In cognitive science/psychology: The process by which the brain creates and stores internal representations of external spatial or conceptual relationships.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The concept is identical. Potential minor spelling differences in accompanying text (e.g., 'memory-mapped' as an adjective).
Connotations
Identical technical connotations. The psychological metaphor is equally understood.
Frequency
Equally common in technical contexts in both regions.
Grammar
How to Use “memory mapping” in a Sentence
to map [RESOURCE] into memorymemory mapping of [RESOURCE]to use memory mapping for [PURPOSE][SOFTWARE] implements memory mappingVocabulary
Collocations
Examples
Examples of “memory mapping” in a Sentence
verb
British English
- The driver is designed to memory-map the peripheral's registers.
- You cannot simply memory-map that hardware from user space.
American English
- The application memory-maps the database file for faster access.
- We need to memory-map this device to bypass the slower API.
adverb
British English
- The data was accessed memory-mapped, not via syscalls.
American English
- The file is opened memory-mapped for low-latency operations.
adjective
British English
- The memory-mapped I/O approach is highly efficient.
- They used a memory-mapped configuration space.
American English
- It's a memory-mapped interface for the sensor.
- Access is provided through a memory-mapped window.
Usage
Meaning in Context
Business
Rare, except in software/tech business contexts discussing product features.
Academic
Common in computer science, engineering, and cognitive neuroscience papers.
Everyday
Virtually never used.
Technical
Core concept in operating systems, driver development, and high-performance computing.
Vocabulary
Synonyms of “memory mapping”
Strong
Neutral
Weak
Vocabulary
Antonyms of “memory mapping”
Watch out
Common Mistakes When Using “memory mapping”
- Using 'memory map' as a verb without '-ing' (e.g., 'We need to memory map the file' is less standard than 'We need to use memory mapping on the file').
- Confusing it with 'memory management', which is a broader concept.
- Using 'mapping memory' which implies the action is performed on the memory itself, rather than mapping something *into* memory.
FAQ
Frequently Asked Questions
No, but they are related. Virtual memory is a broader system that uses disk space to extend RAM. Memory mapping is one technique used within virtual memory systems to map files or devices into a process's address space.
Yes, but this is a metaphorical use from computing. In cognitive science, it can describe how the brain creates internal representations of spaces or concepts, analogous to a computer mapping data to addresses.
A file whose contents are directly linked to a range of virtual memory addresses. Reading from or writing to that memory directly manipulates the file, bypassing standard read/write system calls.
It avoids system call overhead and redundant data copying. The OS handles loading data from disk into RAM on-demand (via page faults), and the program accesses it directly as if it were already in memory.
A technique that allows a computer program or operating system to access files or hardware devices by manipulating memory addresses directly, creating a virtual map between physical memory and a resource.
Memory mapping is usually technical in register.
Memory mapping: in British English it is pronounced /ˈmeməri ˈmæpɪŋ/, and in American English it is pronounced /ˈmeməri ˈmæpɪŋ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None applicable. It is a technical compound noun.”
Learning
Memory Aids
Mnemonic
Think of a city map showing where every shop (data) is located. Memory mapping is like the OS creating a similar map in RAM, so the CPU knows exactly where to find any piece of data without searching the whole 'city'.
Conceptual Metaphor
MEMORY IS A SPATIAL LANDSCAPE / MAP. Data has a location (address) that can be charted and navigated to.
Practice
Quiz
In which field is the term 'memory mapping' LEAST likely to be used?