1. 图灵机：它只是一段保存1和0的磁带，以及可以读写他的设备。他理论上可以计算任何东西

2. CPU ，中央处理器

3.  transisitors晶体管
4. bit
5. byte
6. ASCII character encoding
7. binary
8. hexidecimal
9. nibble(数字和六个字母可以表示一个四位组)
10. machine code
11. RAM(每个房子住着一个字节，且每个位置都有一个 内存地址)
12. memory addresss
13. I/O系统
14. kernel
15. shell
16. command line interface
17. secure shell protocol(SSH)
18. mainframe
19. programming language 
20. abstraction principle
21. interpreted
22. complied
23. executable file
24. data types
25. variable
26. dynamically typed
27. statically typed
28. pointer
29. garbage collector
30. int
31. signed
32. floating pint
33. double
34. char
35. string
36. big endian
37. little endian
38. data structure
39. array
40. linked list
41. stack
42. queue
43. hash(map,dict,key-value pairs)
44. tree
45. graph
46. node
47. edge
48. algorithm
49. function
50. return 
51. argument
52. operators
53. boolean
54. expression
55. statement
56. conditional logic
57. while loop
58. iterable
59. for loop
60. void
61. recursion
62. call stack
63. stack overflow
64. base condition
65. BIG-O notation
66. time complexity
67. space complexity
68. brut eforce
69. divide& conquer
70. dynamic programming
71. memoization
72. greedy
73. dijkstra's
74. backtracking
75. declarative
76. functional language Haskshell
77. procedural language C
78. multiprradigm language
79. object-oriented
80. class
81.  property
82. method
83. inheritance
84. design patterns
85. instantiate
86. heap
87. reference
88. thread
89. parallelism
90. single-threaded
91. concurrency
92. bare metal
93. virtual machine
94. networking
95. ip address
96. url
97. dns
98. tcp protocol
99. packets
100. ssl
101. http
102. html
103. api



1. internet
2. internet protocol suite
3.  ip address
4. TCP
5. packets
6. web
7. http
8. url
9. browser
10. client
11. server
12. request
13. response
14. http messages
15. domain name
16. registar
17. icann
18. DNS
19. HTML
20. Ddev tools
21. editor
22. elements
23. forms
24. attributes
25. anchor
26. document object model
27. head
28. body
29. semantics
30. accessibillity
31. div(division)
32. CSS ()
33. inline style
34. cascade 
35. style tag
36. selector
37. class
38. css specificity
39. external stylee sheet
40. box model
41. block
42. inline
43. relative
44. absolute
45. fixed
46. responsive layout
47. media query
48. flexbox
49. grid layout
50. calc
51. custom properties
52. sass
53. javascript
54. script tag
55. defer
56. ecmascript
57. let
58. const
59.  dynamic typed
60. typescript
61. handing events
62. browser api
63. event listener
64. array
65. object
66. primitives
67. prototypal inheritance
68. classes
69. prototype
70. fronted framework
71. components
72. declarative
73. impereative
74. backend node.js
75. event loop
76. npm
77. module
78. export
79. import
80. SSR
81. http method
82. status code
83. 404
84. spa
85. JSON
86. ssg
87. hydrartion
88. FCP&TTI
89. fullstack framework
90. module bundler
91. linter
92. data base
93. user authetication
94. web server
95. local host
96. cloud
97. docker
98. containers
99. iaas paas BAAS
100. WEB3

html->css->js->git/version control->npm->react->Authentication strategys->cross origin resource shairinf(CORS)->HTTPS->serverside rendering->backend dev