CKP Sensor:
CKP stands for Crankshaft Position. A Crank Position Sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed  of the crankshaft

Speedometer
Speedometer sensor senses the speed of the vehicle. Its output is in the form of pulses. The frequency of the pulses gives the speed. As the speed increases frequency of pulses increases.

TP Sensor
This sensor gives the position of the car’s throttle (i.e. accelerator). It varies from 0V to 5V for 0% to 100% throttle respectively.