Which must DRAM have to maintain electrical state?
Correct answer: A. Capacitor
- A. Capacitor
- B. Transistor
- C. Electric current
- D. All of these
Explanation
The correct answer is: (a) CapacitorDRAM (Dynamic Random Access Memory) relies on capacitors to store data. These capacitors can hold an electrical charge to represent a binary 1 or the absence of a charge to represent a binary 0.
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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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