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下列关于数据备份方法的捕述中，错误的是
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Enter the information age. Information is the raw material for many of the business activities (62) this new era, just as iron and steel were the basic commodities in the (63) of the industrial age.The world’s knowledge is said to be doubling every eight years. This knowledge (64) is stimulating economic progress. The need to collect, analyze, and communicate great (65) of information is producing new products and services, creating jobs, and (66) career opportunities.The information age is (67) considered to be a phenomenon of the service sector of the economy, (68) than a product of heavy industry. Certainly, rocketing information techno logics are creating new capabilities (69) knowledgebased service spheres. (70) changes just as dramatic are (71) industry, giving people the (72) to do challenging work in exciting new ways.Manufacturing is full (73) in the information age. From design to production, the manufacturing (74) has long been information-intensive. It always has required exacting communication to describe what goes into products and how to make them. Now, computer technology is giving factory, managers new (75) to gather all of this information and use it to control production.Telecommunications are producing error-free communication between the design office and the factory. Computer-aided design is enabling engineers to (76) product performances and manufacturing process on video displays, before resources are committed to build and test prototypes. Techniques like these are bringing (77) new advances in manufacturing productivity. Just as coal fueled the (78) to an industrial society, so microelectronics is powering the (79) of the information age. Microelectronic information management tools are (80) U.S. industrial capabilities, which remains (81) to America’s economic wellbeing and national security. (63) should choose （）
以下说法正确的是______。
IEEE 802.11a定义了使用红外、跳频扩频与直接序列扩频技术，IEEE 802.11b定义了使用直序扩频技术，传输速率为1Mbps、2Mbps、5.5Mbps与
根据如下资料建立账套，进行账务处理。并编制资产负债表和利润表。 会计科目表及某年12月份期初余额： 科目编码 科目名称 方向 期初余额(元) 期初数量 1001 库存现金 借 5000 1002 银行存款 借 260000 1012 其他货币资金 借 1 101 交易行金融资产 借 200000 1122 应收账款 借 8900 112201 星火公司 借 5000 112202 电子公司 借 3900 1221 其他应收款 借 1401 材料采购 借 1403 原材料 借 144000 140301 甲材料 借 104000 10400 140302 乙材料 借 40000 8000 1405 库存商品 借 110000 140501 甲产品 借 50000 500 140502 乙产品 借 60000 800 1511 长期股权投资 借 1601 固定资产 借 2500000 1602 累计折旧 贷 50000 1801 长期待摊费用 借 30000 2001 短期借款 贷 70000 2201 应付票据 贷 2202 应付账款 贷 15000 220201 创新公司 贷 6000 220202 新华公司 贷 9000 2203 预收账款 贷 2211 应付职工薪酬 贷 221101 应付工资 贷 221102 应付福利费 贷 2221 应交税费 贷 3500 222101 应交增值税 贷 22210101 进项税额 贷 22210105 销项税额 贷 22210107 未交增值税 贷 2000 222106 应交所得税 贷 1500 2232 应付股利 贷 2241 其他应付款 贷 2501 长期借款 贷 251000 4001 股本 贷 2781400 4002 资本公积 贷 4101 盈余公积 贷 87000 410101 法定盈余公积 贷 87000 410103 法定公益金 贷 4103 本年利润 贷 4104 利润分配 贷 410402 提取法定盈余公积 贷 410403 提取法定公益金 贷 410410 应付普通股股利 贷 410415 未分配利润 贷 5001 生产成本 借 500101 甲产品 借 500102 乙产品 借 5101 制造费用 借 6001 主营业务收入 借 6051 其他业务收入 借 6301 营业外收入 借 6401 主营业务成本 借 6402 其他业务成本 借 6601 销售费用 借 6602 管理费用 借 6603 财务费用 借 6711 营业外支出 借 6801 所得税费用 借
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