The phrase "a computer verifies" is correct and usable in written English.
You can use it when describing the action of a computer checking or confirming information or data.
Example: "In this system, a computer verifies the accuracy of the entered data before processing it further."
Alternatives: "a computer checks" or "a computer confirms".
As each suitcase climbs up the conveyor belt into the plane, a small computer verifies that it actually belongs on that flight.
Thus, access to the research articles requires using a computer that verifies journal subscription (i.e., a university computer).
The merchant's computer verifies the token and delivers digital goods, such as MP3 files, to the customer's computer.
ciao-install FTPs the selected files to your computer, verifies them via md5sum, and unpacks them.
They then return to a computer to verify the exact location of buildings, roads and key infrastructure.
Its boosters think such a machine could support "smart contracts", where a computer can verify or enforce an agreement.
Ultimately, the government plans to store electronic data and a digitized photo of the passport holder on the chip, enabling a computer to verify the photo.
A _proof assistant_ is a tool that a mathematician/programmer can use to represent proofs/programs, in such a way that a computer can verify whether or not they are correct.
MP3.com, for example, let customers gain access to their music online after a CD was inserted into a computer to verify ownership, but it was sued for copyright infringement and eventually shut down; AnywhereCD, by the same entrepreneur, Michael Robertson, was introduced in 2005, but again ran into problems with labels.
The growing difficulty of the blockchain which determines how hard it is for a computer to verify the next block of data and receive a reward in bitcoins might not exist only to make the system more resilient against attackers, but to cement the power of early adopters.
