A CPU contains___________?
Correct answer: C. a control unit and an arithmetic logic unit
- A. a card reader and a printing device
- B. an analytical engine and a control unit
- C. a control unit and an arithmetic logic unit
- D. an arithmetic logic unit and a card reader
Explanation
The basic functional CPU contains the Control Unit, which directs operations, and the Arithmetic Logic Unit, which performs calculations and comparisons. Card readers and printing devices are input or output peripherals.
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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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