Which one is a signal?
Correct answer: D. 4
- A. I/O handling
- B. DMA
- C. Memory
- D. 4
Explanation
In computer science, a signal is often represented by a number. In this case, (d) 4 is the only numerical option among the choices, and it likely represents a signal value or code.While the context of the specific signal (e.g., its purpose or function) is not provided in the image, based on the naming convention, option (d) is the most likely candidate for a signal among the choices presented.
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Hardware includes the physical components of a computer, such as the CPU, motherboard, registers, memory, storage devices and peripheral equipment. Software covers system software, application software, utilities, drivers and firmware, with attention to how the operating system manages hardware and how software differs from the physical equipment it controls.
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