Answer:
ENIAC: Electronic Numerical Integrator and Computer.
ABACUS: Abundant Beads, Addition and Calculation Utility System.
EDVAC: Electronic Discrete Variable Automatic Computer
EDSAC: Electronic Delay Storage Automatic Computer
Answer:
1) pull out the legs of the tripod to gain the required height and necessary stability
2) adjust each of the legs so that the tripod is level
3) attach the camera to the tripod