- ADennis Ritchie
- BNapier
- CCharles Babbage
- DAlan Turing
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Explanation: The operating system (OS) is the main software that manages the computer hardware and software resources and provides common services for computer programs. It is a set of programs that control and manage the computer's hardware and software resources, and allows applications to run on the computer.
Explanation: Peripheral devices include input devices (such as keyboards and mice), output devices (such as monitors and printers), and input/output devices (such as touchscreens) that allow information to be retrieved from an external source and enable the result of operations to be saved and retrieved. They are not responsible for carrying out arithmetic and logical operations, managing hardware and software resources, or providing common services for computer programs.
Explanation: According to the Oxford English Dictionary, the first known use of the term computer was in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait.
Explanation: An analog computer uses direct mechanical or electrical models of problems as a basis for computation.