计算机可分为模拟计算机和数字计算机两种。
通常计算机可分为两类，数字式和模拟式计算机。
Generally, electronic computers are classified into two groups; the digital computer and the analogue computer.
内部存储器：根据存储器在计算机中所处的不同位置，可分为内存和外存。
Internal memory: According to its position in a computer, memory can be divided into internal memory and external memory.
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