The computer that follows instructions and does calculations is called a:
Correct answer: A. Digital computer
- A. Digital computer
- B. Analog computer
- C. Hybrid computer
- D. Mainframe computer
Explanation
A digital computer is a type of computer that processes data in digital form, represented as binary digits (0s and 1s). It follows instructions and performs calculations based on these binary digits, making it suitable for executing various types of programs and algorithms. The other options are incorrect because (b) Analog computers work with continuous signals rather than digital data, (c) Hybrid computers combine features of both digital and analog computers, and (d) Mainframe computer refers to a powerful and large-scale computer system, but it does not specify the type of data processing method used.
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Computer fundamentals covers the history and generations of computers, their characteristics, applications and limitations, and the basic data-processing cycle. It includes binary, decimal, octal and hexadecimal number systems, units of storage, input and output devices, memory types, operating systems, and the distinction between raw data and processed information.
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