CUET PG 2026 — operating system os PYQ
CUET PG | operating system os | 2026Assertion (A): A double-buffered I/O scheme enables a device to read or write data continuously without waiting for a data transfer block to complete processing.
Reason (R): While the CPU is unboxing and processing data out of one buffer block, the I/O device is simultaneously filling up the second independent buffer block.
