Hi Srinithi,
I know there is a forum post that deals with the LM35 sensor:
http://forums.ni.com/t5/Multifunction-DAQ/Usb-6008-LM35-temperature-sensor-problem/td-p/269227
You may need to do some more research on the sensors to see what types of outputs your sensors have and we have a lot of different measurement types. Examples can be found under help>>find examples>>DAQmx.
Paolo F.
National Instruments
Applications Engineer