The phrase "a variety of computer systems" is correct and usable in written English.
You can use it when discussing different types or categories of computer systems in a context such as technology, IT, or computing.
Example: "The company supports a variety of computer systems to ensure compatibility with different software applications."
Alternatives: "a range of computer systems" or "multiple types of computer systems".
John led the development of Direct X, a breakthrough technology that enabled computer game developers to create content playable on a variety of computer systems.
After leaving CERN, Berners-Lee worked for Image Computer Systems Ltd., located in Ferndown, Dorset, where he designed a variety of computer systems.
While most of us shop online using one-click technology, the police, prosecutors and the courts use a variety of computer systems — I counted seven — that cannot communicate with one another.
Today, a variety of computer systems for photo-id of the animals are based on unique characteristics of each species.
Jack Henry & Associates : This Missouri-based company provides a variety of computer systems that more than 8,700 banks and other financial institutions use to process transactions, automate business processes and manage information.
The ChEBI ontology is used by a variety of computer systems and projects for tasks such as cataloging chemical transformations [32], identification of small molecules by matching electron ionization-mass spectra [33], and the development of a chemical dictionary for text mining [34].
In today's industrial environment, there are a great variety of computer systems and applications, which make the task of data integration among heterogeneous database systems even more difficult and costly, thus hindering the progress of tasks automation.
Because of the variety of computer systems, operating systems, and Web browsers, testing every possible configuration is not possible.
Computerized provider order entry (CPOE) systems are widely referred to a variety of computer-based systems that share common features of automating the clinical ordering process to ensure standardized, legible, and complete orders [ 1].
Kaushal et al. define a CPOE as " a variety of computer- based systems that share the common features of automating the medication ordering process and that ensure standardized, legible, and complete orders" [ 18], p. 1410.
It required, for example, integration with a variety of computer platforms and operating systems: Windows, Macintosh, iPhone, Android, and so on.
