Question

A(n) ____ is an electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the results for future use.

Answer 1

A computer. 
Core components of a computer
Processor (cpu): can compute instructions 
RAM (random access memory): Holds running processes. 
HDD( hard disk drive): Stores data, e.g. pictures, documents, games etc. 
Motherboard: Allows devices to communicate with each other via a "bus". 
Power Supply (PSU): converts AC current to DC, providing the computer with power.