Thursday 16 July 2015

Hardware Board Design Interview Questions- Part 9


151. How the SPI protocol works?

152. How the PCI protocol work?

153. How the PCIe protocol work?

154. What is the JTAG implementation and purpose?

155.  Explain the boundary scan technology?

156. What is importance of the TCK in JTAG?

157. Explain USB interface in basic hardware level?

158. Explain the USB interface in the protocol level?

159. What is USB host controller?

160. What is an OTG? And application?

161. What are the type of the connectors used for the device and host?

162. What are protection schemes available for the USB lines?

163. What are the difference between the DDR/DDR2?

164. What is the difference between the DDR3/DDR4?

165. What is on-die termination?

166. How to calculate the memory density?

167. What is MII and what are the interface signals?

168. What is RMII and what are the interface signals?

169. What is GMII and what are the interface signals?

170. What is totem pole output? Draw the output stage of the totem pole output
        and explain its operation?

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