The determination of a digital signal’s frequency and wave shape is best accomplished with which test equipment? a frequency generator an oscilloscope a spectrum analyzer a multimeter

The best equipment to determine a digital signal's frequency and wave shape is an oscilloscope. An oscilloscope allows you to visually observe the signal's wave shape, and it can also measure the frequency of the signal.

Here's a step-by-step explanation:

1. A frequency generator is used to generate signals with a specific frequency, not to measure or observe them.

2. An oscilloscope is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time. It is commonly used to observe the exact wave shape of an electrical signal. In addition, it can show distortion, the time between two events (such as pulse width, period, or rise time) and relative timing of two related signals.

3. A spectrum analyzer is used to measure the magnitude of an input signal versus frequency within the full frequency range of the instrument. It's more about analyzing the spectral composition of electrical, acoustic, or optical waveform.

4. A multimeter is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter can measure voltage, current, and resistance. It's not typically used for measuring frequency or observing wave shape.

So, the best choice among these options is an oscilloscope.