Question: True or false: (a) In the RAS-only refresh method, the CAS signal is held LOW. (b) CAS-before-RAS refresh can be used only by DRAMs with

True or false:

(a) In the R̅A̅S̅-only refresh method, the C̅A̅S̅ signal is held LOW.

(b) C̅A̅S̅-before-R̅A̅S̅ refresh can be used only by DRAMs with on-chip refresh control circuitry.

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