mi·​cro·​code | \ ˈmī-krə-ˌkōd How to pronounce microcode (audio) \

Definition of microcode

: the microinstructions especially of a microprocessor

Examples of microcode in a Sentence

Recent Examples on the Web The remainder of Intel's microcode guidance document shows just a few chip architectures waiting for patches, including the remainder of the Arrandale and Clarkdale families. Mark Hachman, PCWorld, "Intel issues Meltdown/Spectre fixes for Ivy Bridge, Sandy Bridge as patch effort winds down," 9 Mar. 2018 In response, Intel has released a microcode and BIOS updates that mitigate attacks by locking voltage to the default settings. Dan Goodin, Ars Technica, "Intel’s SGX coughs up crypto keys when scientists tweak CPU voltage," 10 Dec. 2019 The fix doesn't require a microcode update from computer manufacturers. Dan Goodin, Ars Technica, "Silent Windows update patched side channel that leaked data from Intel CPUs," 6 Aug. 2019 For other affected products, mitigation is available through microcode updates, coupled with corresponding updates to operating system and hypervisor software that are available starting today. Gordon Mah Ung, PCWorld, "Intel: You don't need to disable Hyper-Threading to protect against the ZombieLoad CPU exploit," 15 May 2019 Presently, the only way to install the microcode is to install a system firmware that includes the updates. Peter Bright, Ars Technica, "AMD systems gain Spectre protection with latest Windows fixes," 11 Apr. 2018 Similarly, with the new microcode leaving management mode flushes the level 1 cache, protecting SMM data. Peter Bright, Ars Technica, "Intel’s SGX blown wide open by, you guessed it, a speculative execution attack," 14 Aug. 2018 The operating system changes only take effect when a suitable microcode is installed. Peter Bright, Ars Technica, "AMD systems gain Spectre protection with latest Windows fixes," 11 Apr. 2018 But the package provides an important alternative for those who lack a motherboard firmware containing the new microcode. Peter Bright, Ars Technica, "Patch Tuesday drops the mandatory antivirus requirement after all," 13 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microcode.' 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 microcode

1958, in the meaning defined above

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The first known use of microcode was in 1958

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Cite this Entry

“Microcode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microcode. Accessed 26 Sep. 2020.

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