TSR
noun
,
plural
TSRs,
TSR's.
1.
a computer program with any of several ancillary functions, usually held resident in RAM for instant activation while one is using another program.
Origin
t(erminate and)
s(tay)
r(esident)
TSR
in Technology
Terminate and Stay Resident
Related Abbreviations for
TSR
TSR
terminate and stay resident