to follow or endeavor to follow as a model or example: to imitate an author's style; to imitate an older brother. to mimic; impersonate: The students imitated the teacher behind her back. to make a copy of; reproduce closely. to have or assume the appearance of; simulate; resemble.
The input device might be a keyboard, the output device might be a monitor, a communication device might be a modem, a secondary storage device might be disk drive, and the processing devices include central processing unit (CPU) and main memory.
A typical digital computer consists of: a) A central processor unit (CPU) b) A memory. c) Input/output (1/0) ports. The memory serves as a place to store Instructions, the coded pieces of information that direct the activities of the CPU, and Data, the coded pieces of information that are processed by the CPU.