The phrase "obsolete system" is correct and usable in written English.
You could use it to refer to an outdated system of operation, typically one that has been replaced with a more efficient or effective one. For example: "The company decided to replace its obsolete system with a more modern and efficient one."
The famous "arithmetic" in the last election illustrated perfectly why FPTP is an obsolete system.
Mendele Moikher Sforim, who wrote mainly in the 1860's and 1870's, sought to modernize Eastern European Jews by mocking what he considered their unworldliness and piety and what he viewed as their obsolete system of educating their children.
Amidst the mirrors, the gleaming weight machines, the whir of ellipticals and treadmills, it looked conspicuously medieval, primitive, even a bit sinister, as though it were part of an intricate and now obsolete system of weights and measures, or a weapon used by the barbarians when they stormed Rome.
Well, you can pay the aggravation cost or make the small investment to change an obsolete system.
"We have gone through the futile process of changing leaders, but leaving the corrupt and obsolete system intact.
Today the obsolete system, with its inadequate green card numbers for key employees and years-long green card queues, stymies economic growth and global competitiveness.
When he did get down to business, he would talk about obsolete systems and suggest products that were incompatible with the client's.
Most of all, there is the new universal credit, which will require the tweaking of huge (and technically obsolete) systems on a massive scale.
Legislators recently apportioned $380 million to address the election cybersecurity crisis, yet far more funding must be devoted specifically to replacing obsolete systems with securer alternatives and boosting auditing capabilities.
The digital gap A nation in waiting A mystery unsolved A rare moment of calm in the capital The war is good for some Correction: Nigeria's oil Reprints Related items Telecoms in the developing world: At your serviceMar 29th 2007African users must also cope with obsolete systems, irregular electricity and a stultifying lack of local content.
We must bravely abandon accustomed but obsolete systems and adopt ones more compatible with the changes we have seen taking place in Japan.Masaro Sakashita Osaka* SIR – Your leader ("Where will it end?", March 26th) construed an interesting argument on the propriety of NATO interventions in Libya, Yemen and Bahrain, synthesised as "you intervene when you can", not to prove a principle.
