COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The data from the memory is saved onto flash memory
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The data from the memory is saved onto the hard disk
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The data from the memory is not saved
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The data from the memory is saved onto ROM
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Detailed explanation-1: -Random Access Memory is volatile. That means data is retained in RAM as long as the computer is on, but it is lost when the computer is turned off. When the computer is rebooted, the OS and other files are reloaded into RAM, usually from an HDD or SSD.
Detailed explanation-2: -RAM is volatile memory, which stores data in a single transistor and capacitor. This means it needs a constantly recycled charge to hold its data. If the power is turned off, it cannot refresh the data and it is lost. This is known as DYNAMIC memory.
Detailed explanation-3: -The content is instantly erased in case of power outage. RAM Cells store data via electrical charge-Empty = 0, Has electrical charge = 1. Since they are NOT batteries and thus not made to keep the charge in them, they need to replenish the charged cells every x (nano or mili?) Seconds.
Detailed explanation-4: -Nonvolatile memory is the memory that can keep the information even when it is powered off. In other words, nonvolatile memory requires power while storing the data; however, once the data is stored, the nonvolatile memory technologies do not require power to maintain the data stored.
Detailed explanation-5: -Memory Types The broadest classification is random access memory (RAM) versus read only memory (ROM). RAM is volatile, meaning that it loses its data when the power is turned off. ROM is nonvolatile, meaning that it retains its data indefinitely, even without a power source.