Everything.
Everything that is computerize now was at one time not computerized. Toys is the one thing that comes to mind. Some toys today have a micro processor in them that allows the toy to speak, or to perform certain actions. That was not true just a decade ago,
have been installed means now and had been installed means past
In the same way as it is used now.
You can use "have been" to talk about a continuous or ongoing action that started in the past and is still relevant now. "Had been" is used to indicate the past perfect tense, showing an action that was completed before another past action or time.
there has been new jobs created and others.
Automobiles have been updated and computerized.
I do not believe her story now because she has been untruthful with me in the past.
Present is now - what is currently happening - and past is anything and everything that has happened (been and gone).
The Federal Rules of Civil Procedure now refer to computerized evidence as electronically stored information (ESI). This includes data generated, stored, or transmitted in digital form, such as emails, text messages, and electronic documents. Compliance with rules regarding the discovery and production of ESI is essential in modern litigation.
If anyones done it, try scanning the website under Kayaking. Kayaking is currently (and has been for over a decade now) a craze (a fad/popular). So if's anyones done it, they might have written about it (or computerized it) by now.
It depends on the usage, sometimes it is been and sometimes in come. Granny has been to see is twice (she is not there now visiting) Jane has come so we can start work (she is still there now)
Not now. In the past there have been times when Germany and France were enemies, but now there are good relations between them and they are allies.