The term ‘Computer’ is derived from the Latin word ‘Co mputare’ this means to calculate. Computer is an advance/modern electronic device, which takes raw data and instruction from input device and after fast processes gives meaningful result from output device.
Computer is also a problem-solving machine, which can process both numerical and non-numerical information. It is a totally user dependent device. It has no its own brain, so it cannot think its own.
Input Process Output
Input (Data and information):
Input (data) is the raw information. It is the collection of facts (text) or figures (numbers) or both.
Process (CPU):
It means the manipulations of data as per given instruction.
Output:
It means the get result after proceed the data.
Features of computer
High speed
Accuracy
Diligence
Reliability
Memory
Versatility