2. 计算机
  3. Calculator　is(66) for　performing　arithmetic　operations,　but　that　requires　human　intervention　to　alter　its　stored　program,　if　any

Calculator　is(66) for　performing　arithmetic　operations,　but　that　requires　human　intervention　to　alter　its　stored　program,　if　any

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问题 Calculator　is(66) for　performing　arithmetic　operations,　but　that　requires　human　intervention　to　alter　its　stored　program,　if　any,　and　to　initiate　each　operation　or　sequence　of　operations.　A　calculator　performs　some　of　the　functions　of　a　computer,　but　usually　operates　only　with　frequent　human　intervention.Microcomputer’s　processing　unit　consists　of　one　or　more　microprocessors,　and　includes　storage　and　input-output(67).　Personal　computer　primarily　intended　for(68) use　by　an　individual.(69) computer　can　be　hand-carried　for　use　in　more　than　one　location.　Minicomputer　is　functionally　intermediate　between　a　microcomputer　and　a　mainframe.　And　supercomputer　has　the　highest　processing　speeds　available　at　a　given　time　for(70)　scientific　and　engineering　problems.
选项 A、Carried
B、Traveling
C、Portable
D、Walking
答案C
解析
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