Concept:The first digital electrical computer was built by the team associated with ENIAC.
Explanation:John William Mauchly and J. Presper Eckert developed the Electronic Numerical Integrator And Computer, better known as ENIAC.
ENIAC is recognized as the first general-purpose electronic digital computer.
It was completed in 1946 at the University of Pennsylvania.
This achievement marked the start of the modern electronic computing era.
Blaise Pascal and Gottfried Wilhelm Leibniz created earlier mechanical calculating machines, not electrical computers.
Joseph Jacquard invented a programmable loom, which was not an electrical computer.
Therefore, the correct developers from the given options are Mauchly and Eckert.
Answer:C. Mauchly and Eckert