(b) It is a calculating machine
(c) It is an electronic calculating machine
(d) It is a simple machine
ANSWER
(c) It is an electronic calculating machine
A computer is an electronic calculating machine. It is a device for storing, processing, and displaying information.
COMPUTER
A computer is a device for storing, processing, and displaying information. A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically. The ability of computers to follow generalized sets of operations, called programs, enables them to perform an extremely wide range of tasks.