In the systems approach, “inputs” include all elements that enter the instructional system before teaching begins, such as learner characteristics, instructional objectives, content and resources. These inputs are processed through teaching–learning activities to produce outputs like achievement and attitude change. Understanding inputs helps teachers design appropriate strategies and materials. Because the stem lists learner characteristics, objectives and resources, it clearly refers to inputs.
Option A:
Feedback consists of information about outputs—such as test results and observations—that is fed back into the system to guide improvement. It is generated after instruction, not before. Since the stem focuses on elements present prior to or at the start of instruction, feedback cannot be correct.
Option B:
Throughput (or process) denotes the teaching–learning activities and interactions that transform inputs into outputs. It includes methods, classroom communication and practice tasks. The stem does not describe these processes; it lists initial conditions and resources, so throughput is not the best term.
Option C:
Inputs are the starting elements that shape how instruction will proceed, including who the learners are, what is to be achieved and what materials are available. Careful analysis of inputs is essential for effective systems design. Given that the stem mentions exactly these components, inputs is the accurate completion.
Option D:
Outputs refer to the end results of the instructional process, such as test scores, skill mastery or attitude change. They are consequences of processing inputs, not the inputs themselves. Therefore, outputs cannot be the correct label for learner characteristics, objectives and resources.
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