multitaskern.
/ˌmʌltɪˈtɑːskə/, /ˌmʌltɪˈtaskə/, U.S. /ˌməltiˈtæskər/; see also multi- comb. form. Originally (Computing): a feature enabling an operating system to perform multitasking. Later, also (in extended use): a person capable of performing two or more tasks at the same time.
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1982 Data Communications (Nexis) Mar. 277 (heading) Multitasker for the office.
1983 FORTH Dimensions July–Aug. 20/1 This article presents a simple I/O-driven multi-tasker, written in fig-forth, which allows one to execute several background tasks ‘concurrently’ with one foreground task.
1988 InfoWorld 20 June 81/1 If you are a serial multitasker, this software is just great.
1989 PC Mag. (U.K. ed.) July 110/1 The QEMM-386 driver will provide EMS support even when your multi-tasker isn't loaded.
1996 Time Out N.Y. 19 June 43/1 Says, who writes fictions, cleans up other people's screenplays..and often acts in his own movies, is a master multitasker.
2001 Time 5 Mar. 55/1 Multitasker... This J-Phone will field calls and surf the Web simultaneously.
2011 M. St. Clair So Much, so Fast, so Little Time iv. 95 Heavy multitaskers have trouble tuning out distractions and switching tasks compared with those who multitask less.
This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022).
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n.1982