计算机科学英语文选 上册PDF电子书下载

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1.What can a computer do？ 1

2.Computers （Ⅰ） a dialogue 4

3.Computers （Ⅱ） a dialogue 8

4.Digital computers a dialogue 12

5.Analogue computers 16

6.Basic functional units of a computer 20

7.The binary system 23

8.Instructions 26

9.Logic circuits 30

10.Input-output units 33

11.Memory units 36

12.Arithmetic units 40

13.Control units 43

14.Software 46

15.The concept of a program 50

16.Arithmetic operations （Ⅰ） 54

17.Arithmetic operations （Ⅱ） 58

18. Loading 61

19.Branching without looping 64

20.A Typical subroutine 68

21.Punched card equipment 72

22.Non-impact printing 75

23.Visual display output 79

24.Programming languages 83

25.Fortran， algol and cobol 86

26.Programming’s upstart language：APL 90

27.Operating systems （OS） provide automatic systems control 94

28.A Square-summing， high-speed multiplier 97

29.The role of small computers （Ⅰ） 101

30.The role of small computers （Ⅱ） 105

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