5 exercises on pronouncing computing unit abbreviations aloud.
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How is "KB" (kilobyte) read aloud?
KB is read either as the letters "K-B" /keɪ biː/ ("kay-bee") or as the full word "kilobyte" /ˈkɪloʊbaɪt/. So "the file is 200 K-B" or "200 kilobytes." Note "kilo-" has a short /ɪ/ ("KILL-oh"), and "byte" rhymes with "kite." The same pattern gives MB ("em-bee"/"megabyte"), GB ("gee-bee"/"gigabyte"). Do not blend "KB" into "kabb."
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How is "ms" (millisecond) read aloud?
ms is almost always read as the full word "milliseconds" /ˌmɪliˈsɛkəndz/ — "MILL-ee-SEC-onds." So "it responds in 50 milliseconds", "shave off 200 milliseconds." The letters "M-S" are rarely spelled out because "ms" would be ambiguous. "Milli-" has a short /ɪ/ and a double-l. Related: "µs" is "microseconds," "ns" is "nanoseconds."
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How is "GHz" (gigahertz) pronounced?
GHz is read as the full word "gigahertz" /ˈɡɪɡəhɜːrts/ — "GIG-uh-hurts," stress on the first, with a hard /ɡ/ in "giga" and "hertz" rhyming with "hurts." So "a 3.5 gigahertz processor." The unit "hertz" (cycles per second) is named after Heinrich Hertz. Do not spell out "G-H-Z." Note "giga-" commonly takes a hard g here, though "JIG-a" is also heard.
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How is "IOPS" (input/output operations per second) pronounced?
IOPS is said "EYE-ops" /ˈaɪɒps/ — "eye" (the letter "I") plus "ops" /ɒps/, run together as a word, stress on the first. It stands for "Input/Output Operations Per Second," a storage-performance metric. So "the SSD does 100,000 EYE-ops", "high EYE-ops workload." Do not spell out all four letters; it is pronounced as the blend "eye-ops."
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How is "dpi" (dots per inch) read aloud?
dpi is spelled out: "D-P-I" /diː piː aɪ/ — "dee, pee, eye." It stands for "dots per inch," a resolution measure. So "export at 300 D-P-I", "a high-D-P-I display." It is never blended into a word like "dippy." Each letter keeps its standard name, with the final "I" said "eye" /aɪ/. The related "PPI" (pixels per inch) is likewise spelled out.