A technique for increasing the amount of memory usable by a system by switching between different sets of memory chips which are given the same addresses.
Origin
1950s. From bank + switching.
Definition of bank switching in US English:
bank switching
nounˌbaŋk ˈswɪtʃɪŋ
Computing
A technique for increasing the amount of memory usable by a system by switching between different sets of memory chips which are given the same addresses.