noun
Technical term in computing; refers to the rate at which a processor's clock signal oscillates, usually measured in Hz.
このCPUのクロック周波数は3.5GHzです。
The clock frequency of this CPU is 3.5 GHz.
Compound of クロック (clock) + 周波数 (frequency). クロック is borrowed from English 'clock', and 周波数 is a native Japanese technical term for frequency.