Question Detail I/O processor has direct access to ? Main MemorySecondary MemoryFlash MemoryROM Answer: Option A Similar Questions : 1. If CPU and I/O interface share a common bus than transfer of data between two units is known as ? AsynchronousClock dependentSynchronousDecoder independent Answer: Option C 2. Which technique is used that identifies the highest priority resource by means of software ? Daisy chainingPollingPriorityChaining Answer: Option B 3. Which interrupt establishes a priority over the various sources to determine which request should be entertained first ? PollingDaisy chainingPriority interruptAll of above Answer: Option C 4. Instruction that are used for reading from memory by an IOP called ? CommandsPulsesBlocksInterrupt Answer: Option A 5. Three bit binary numbers can be represented by ? Binary numberDecimal numberHexadecimal numberOctal number Answer: Option D Read more from - Computer System Architecture Questions Answers