Question Detail __ is a single control line that informs destination unit that a valid is available on the bus ? PingTokenHandshakeStrobe Answer: Option D Ad Similar Questions : 1. A number system that uses only two digits, 0 and 1 is known as ? Octal number systemHexadecimal systemBinary systemDecimal system Answer: Option C 2. Whenever CPU detects an interrupt, what it do with current state ? Save itDiscard itDepends system to systemFirst finish it Answer: Option A 3. Why we need to have secondary storage ? Store large volume of data that exceed the capacity of main memoryPerform arithmatic and logical operationsTo give power to the system tooTo help processor in processing Answer: Option A 4. What is meaning of DMAC ? Dual memory access controllerDirect memory access controllerDirect memory access computerDirect memory accumulator controller Answer: Option B 5. 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 Read more from - Computer System Architecture Questions Answers