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小学信息科技四年级全册课件【河北教育音像电子出版社】

  • 2026-04-22 08:33:42
小学信息科技四年级全册课件【河北教育音像电子出版社】
课件资源包
     文章底部下载全册课件,底部下载链接需要把地址复制到浏览器中打开。
目录

第一单元身边的数据与编码

第一节身边的数据

第二节生活中的编码

第二单元数据与编码的探寻

第一节门牌号码有规则

第二节身份证号码有规律

第三节商品码的奥秘

第四节二维码的奥秘

第三单元数据与编码的设计

第一节我为同学编学号

第二节我为科技作品来编码

第三节我为社区储物柜来编码

跨学科主题学习(一) 给树木设计养护牌

第四单元数据的存储与传输

第一节莫尔斯电码的秘密

第二节图像存储的秘密

第三节数据传输变变变:

第五单元数据的组织与呈现

第一节身高鞋码巧呈现

第二节 天气数据助穿衣

第三节 体测分析定计划

第六单元数据的安全与保护

第一节数据安全须重视

第二节数据保护有措施

跨学科主题学习(二) 零食里的数据故事

课件下载地址

https://wwbmk.lanzoue.com/b030pvsu4d

密码:fni7

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  1. CONNECT:[ UseTime:0.000939s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001271s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000661s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000581s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001059s ]
  6. SELECT * FROM `set` [ RunTime:0.000497s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001101s ]
  8. SELECT * FROM `article` WHERE `id` = 483291 LIMIT 1 [ RunTime:0.003798s ]
  9. UPDATE `article` SET `lasttime` = 1777076236 WHERE `id` = 483291 [ RunTime:0.001462s ]
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0.178540s