The document is an assignment on operational amplifiers for an electronics course. It provides information on operational amplifiers including: 1) Operational amplifiers are basic building blocks of analog electronic circuits used for signal conditioning, filtering, and mathematical operations. 2) An ideal operational amplifier is a three-terminal device with two high-impedance inputs and one output that can source or sink voltage or current. 3) Operational amplifiers have very high open-loop gain, near-zero input offset voltage, and near-zero output impedance. Feedback is used to control the closed-loop gain. 4) Common operational amplifier circuits include inverting and non-inverting amplifiers,