End of the Chapter

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• Types of computer memory and their characteristics.
• Bit.
• Byte, kilobyte, megabyte, gigabyte, terabyte.
• Multiplication rule for exponents.
• Picture of main memory.
• Contents of main memory,
• Two things that the processor can do with main memory.
• Picture of a hard disk.
• Files.
• Operating system and file i/o.