The term hang is correct, but you can also use freeze.
technical jargon everday term common term in computer
Glossary
Computer when Hangs needs restarting.
The non-technical term for the sudden failure of a computer is "crashed".
VDU stands for Visual Display Unit - The technical term for the computer's monitor.
Dual Homed
The face is the proper technical term for itself.
unhyperbole
The technical term for milk is "lacteal secretion."
The other term for Technical specification is CONFIGURATION
"Trichology" is the technical term for the study of hair.
A neuron is a technical term for a nerve cell.