INTERVIEW QUESTIONS COMPUTER HARDWARE MOTHERBOARD DETAILS

Question: Differentiate between RAM and ROM?

Answer: RAM: Read / Write memory, High Speed, Volatile Memory. ROM: Read only memory, Low Speed, Non Voliate Memory.

RAM: Read / Write memory, High Speed, Volatile Memory. ROM: Read only memory, Low Speed, Non Voliate Memory.
Source: CoolInterview.com

1. When power is lost or turned off, a ROM chip will keep the information stored on it. In contrast, a RAM chip is volatile and requires a constant source of power to retain information.

2. A ROM chip is used primarily in the start up process of a computer, whereas a RAM chip is used in the normal operations of a computer after starting up and loading the operating system.

3. Writing data to a ROM chip is a slow process, whereas writing data to a RAM chip is a faster process.

4. A RAM chip can store multiple gigabytes (GB) of data, up to 16 GB or more per chip; A ROM chip typically stores only several megabytes (MB) of data, up to 4 MB or more per chip. Source: CoolInterview.com

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