Microprocessor Practice Test 3

1. An operational amplifier connected to the output of AD 7523 is used

2. The USB supports the signaling rate of

3. The pin that requests the access of the system bus is

4. A simple scheme for rotating the shaft of a stepper motor is called

5. The feature of mode 0 is

6. To indicate the I/O device that its request for the DMA transfer has been honored by the CPU, the DMA controller pulls

7. If more than one channel requests service simultaneously, the transfer will occur as

8. When a key is pressed, the debounce circuit waits for 2 keyboard scans and then checks whether the key is still depressed in

9. High speed USB devices neglect

10. The common register(s) for all the four channels of 8257 is