Which of the following device uses the parallel transmission?
Correct answer: C. Printer
- A. Mouse
- B. Keyboard
- C. Printer
- D. Light Pen
Explanation
Traditional printers commonly used parallel transmission, sending several bits simultaneously over separate lines. Mouse, keyboard and light pen connections are conventionally treated as serial transmission in this type of question.
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About Hardware and Software
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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