Which technology is more reliable?
For reliability it does not matter. So all of above are technology is more reliable.
Mechanical Technology. Nearly every product includes mechanical components that must be created by a mechanical designer. ... The mechanical designer of today requires knowledge in many areas including mechanical drafting, computer-aided drafting and design, machine shop, robotics and machine components.
A mechanical computer is built from mechanical components such as levers and gears, rather than electronic components. The most common examples are adding machines and mechanical counters, which use the turning of gears to increment output displays.
Computer Electronics Technology is an associate degree program that prepares you for a technical career in the computer field. You will learn to operate, install, configure, upgrade and maintain microcomputers, peripheral devices and network hardware.