"specified task" is correct and can be used in written English.
You can use it to refer to an assignment or job that is more specific or detailed than a general task. For example, "I have a specified task to complete by the end of the week."
In the context of the eye care service and training approach proposed in this paper, competence – or to be more precise, a set of entry level competencies – is essentially gained from the teaching and learning of the knowledge, skills and behaviour required to perform a specified task or set of tasks at specified standards of effectiveness and efficiency.
She has three desks in her home, each for a specified task.
How many people of a certain demographic does it take to perform a specified task?
The show is a revved-up version of "Junkyard Wars," a series in which two teams are set loose in a junkyard and race to build a machine that will accomplish a specified task, like firing a pumpkin at a fortress.
Experiment A specified task is performed in a highly controlled environment by a set of subjects.
Dependability is a significant factor, because it qualifies the way of performing the specified task.
"It is in the public interest that the remedy contemplated by the final judgment be implemented as soon as possible," the government said, "and the time periods proposed by plaintiffs are adequate to perform the specified tasks".
They recently sold ABC a show called "The Runner," in which one contestant will embark on a cross-country trek during which he or she will have to perform specified tasks while trying to avoid being spotted by viewers.
Today there is such a focus on skills and specified tasks.
Several multifunctional sensor nodes in specified area work for any specified tasks continuously without any internal interruption.
It is through human activity that computer technology is designed, developed, tested, installed, initiated and provided with input and instructions to perform specified tasks.
