virtual memory

noun

Definition of virtual memory

: a section of a hard drive that can be used as if it were an extension of a computer's random-access memory

called also virtual storage

Examples of virtual memory in a Sentence

Recent Examples on the Web Osment appeared on Cyrus' Instagram Live show, BRIGHT MINDED: Live With Miley, and the pair took a trip down virtual memory lane. Emily Dixon, Marie Claire, "Miley Cyrus and Emily Osment Had a 'Hannah Montana' Reunion on Instagram Live," 24 Mar. 2020 In short, the mitigation worked by isolating virtual memory page tables of user-mode threads from kernel memory. Dan Goodin, Ars Technica, "Solved: Why in-the-wild Bluekeep exploits are causing patched machines to crash," 11 Nov. 2019 Petabytes of RAM Sunny Cove also makes the first major change to x64 virtual memory support since AMD introduced its x86-64 64-bit extension to x86 in 2003. Peter Bright, Ars Technica, "Intel unveils a new architecture for 2019: Sunny Cove," 12 Dec. 2018 This was because Apple wanted to give 32-bit applications access to the full 4GB of virtual memory, rather than splitting that 4GB between the program and the kernel. Peter Bright, Ars Technica, "Meltdown and Spectre: Here’s what Intel, Apple, Microsoft, others are doing about it," 5 Jan. 2018 This attacker code can disclose the PSP's secrets, undermining the integrity of the firmware TPM, AMD's encrypted virtual memory, and various other platform features. Peter Bright, Ars Technica, "AMD promises firmware fixes for security processor bugs," 20 Mar. 2018 Accordingly, modern operating systems all depend on a broad concept called virtual memory. Peter Bright, Ars Technica, "What’s behind the Intel design flaw forcing numerous patches?," 3 Jan. 2018 On top of that, Photoshop uses 6MB of RAM, meaning that IIsi owners that haven't upgraded from their original 5MB total (or less) may need to use virtual memory. Chris Wilkinson, Ars Technica, "1990, meet 2018: How far does 20MHz of Macintosh IIsi power go today?," 1 July 2018 Windows, Linux, and macOS have all received security patches that significantly alter how the operating systems handle virtual memory in order to protect against a hitherto undisclosed flaw. Peter Bright, Ars Technica, "“Meltdown” and “Spectre”: Every modern processor has unfixable security flaws," 4 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'virtual memory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of virtual memory

1959, in the meaning defined above

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The first known use of virtual memory was in 1959

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Cite this Entry

“Virtual memory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/virtual%20memory. Accessed 30 Nov. 2020.

More from Merriam-Webster on virtual memory

Britannica.com: Encyclopedia article about virtual memory

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