电子闹钟 clk： 标准时钟信号，本例中，其频率为4Hz； clk_1k： 产生闹铃音、报时音的时钟信号，本例中其频率为1024Hz； mode： 功能控制信号； 为0：计时功能； 为1：闹钟功能； 为2：手动校时功能； turn： 接按键，在手动校时功能时，选择是调整小时，还是分钟； 若长时间按住该键，还可使秒信号清零，用于精确调时； chAnge： 接按键，手动调整时，每按一次，计数器加1； 如果长按，则连续快速加1，用于快速调时和定时； hour,min,sec：此三信号分别输出并显示时、分、秒信号， 皆采用BCD 码计数，分别驱动6 个数码管显示时间； alert： 输出到扬声器的信号，用于产生闹铃音和报时音； 闹铃音为持续20 秒的急促的“嘀嘀嘀”音，若按住“chAnge”键， 则可屏蔽该音；整点报时音为“嘀嘀嘀嘀—嘟”四短一长音； LD_alert： 接发光二极管，指示是否设置了闹钟功能； LD_hour： 接发光二极管，指示当前调整的是小时信号； LD_min： 接发光二极管，指示当前调整的是分钟信号
上传时间： 2017-01-02
上传用户：顶得柱
Introduction Computer security is undeniably important, and as new vulnerabilities are discovered and exploited, the perceived need for new security solutions grows. "Trusted computing" initiatives propose to solve some of today s security problems through hardware chAnges to the personal computer. Changing hardware design isn t inherently suspicious, but the leading trusted computing proposals have a high cost: they provide security to users while giving third parties the power to enforce policies on users computers against the users wishes -- they let others pressure you to hand some control over your PC to someone else. This is a "feature" ready-made for abuse by software authors who want to anticompetitively choke off rival software. It needn t be this way: a straightforward chAnge to the plans of trusted computing vendors could leave the security benefits intact while ensuring that a PC owner s
标签： vulnerabilities Introduction discovered undeniably
上传时间： 2014-01-05
上传用户：yph853211
UrJTAG package is free software, covered by the GNU General Public License, and you are welcome to chAnge it and/or distribute copies of it under certain conditions. There is absolutely no warranty for UrJTAG. Please read COPYING file for more info.
标签： software General License package
上传时间： 2013-11-29
上传用户：lanjisu111
用VC编写的内点罚函数法，有没有人可以将此代码转换到VB里面-VC prepared by the complex law, no one can chAnge this code inside of the VB
上传时间： 2017-01-24
上传用户：cjf0304
The combinatorial core of the OVSF code assignment problem that arises in UMTS is to assign some nodes of a complete binary tree of height h (the code tree) to n simultaneous connections, such that no two assigned nodes (codes) are on the same root-to-leaf path. Each connection requires a code on a specified level. The code can chAnge over time as long as it is still on the same level. We consider the one-step code assignment problem: Given an assignment, move the minimum number of codes to serve a new request. Minn and Siu proposed the so-called DCAalgorithm to solve the problem optimally. We show that DCA does not always return an optimal solution, and that the problem is NP-hard. We give an exact nO(h)-time algorithm, and a polynomial time greedy algorithm that achieves approximation ratio Θ(h). Finally, we consider the online code assignment problem for which we derive several results
标签： combinatorial assignment problem arises
上传时间： 2014-01-19
上传用户：BIBI
）。-the function of the system is simulated ATM machine landing, balance inquiries, withdrawals, chAnge passwords, and other functions, use the JDBC interface, such as SWING. If ATM landing, withdrawals and chAnge password must use JDBC interface and database links, I encountered a lot of problems, but the most important is that the database setting, in order to solve this problem, I read four books, Inquiries related information
标签： withdrawals the inquiries simulated
上传时间： 2014-01-16
上传用户：lnnn30
）。-the function of the system is simulated ATM machine landing, balance inquiries, withdrawals, chAnge passwords, and other functions, use the JDBC interface, such as SWING. If ATM landing, withdrawals and chAnge password must use JDBC interface and database links, I encountered a lot of problems, but the most important is that the database setting, in order to solve this problem, I read four books, Inquiries related information
标签： withdrawals the inquiries simulated
上传时间： 2017-01-27
上传用户：ainimao
业务管理：包括客房预订、入住登记、续住、换房、转账、其他服务提供、留言板、意见簿、走客结账、欠费结算。 ¯ 查询统计：包括历史单据、预订表、在住客人表、换房查询、转账查询、日经营状况、月收入状况、客房利用率、实时房态。-system design focus of this chapter describe the development of small PowerBuilder 9.0 Rooms Management System process, through the study of this chapter, readers should be familiar with PowerBuilder 9.0 TreeView control and the right mouse button menu of use, master GroupBox, SingleLineEdit, CommandButton, RadioButton, PictureButton controls such as the similarities and differences to further understanding of data objects window displays various occasions the application. System to complete the task Macr system maintenance include : corporate information, the operator management, chAnge passwords, management succession, dictionary management. Macr basic information : Rooms management system for the basic information management (including new, modify or delete), which is the basic informat
上传时间： 2017-02-09
上传用户：songyue1991
业务管理：包括客房预订、入住登记、续住、换房、转账、其他服务提供、留言板、意见簿、走客结账、欠费结算。 ¯ 查询统计：包括历史单据、预订表、在住客人表、换房查询、转账查询、日经营状况、月收入状况、客房利用率、实时房态。-system design focus of this chapter describe the development of small PowerBuilder 9.0 Rooms Management System process, through the study of this chapter, readers should be familiar with PowerBuilder 9.0 TreeView control and the right mouse button menu of use, master GroupBox, SingleLineEdit, CommandButton, RadioButton, PictureButton controls such as the similarities and differences to further understanding of data objects window displays various occasions the application. System to complete the task Macr system maintenance include : corporate information, the operator management, chAnge passwords, management succession, dictionary management. Macr basic information : Rooms management system for the basic information management (including new, modify or delete), which is the basic informat
上传时间： 2013-12-05
上传用户：开怀常笑
业务管理：包括客房预订、入住登记、续住、换房、转账、其他服务提供、留言板、意见簿、走客结账、欠费结算。 ¯ 查询统计：包括历史单据、预订表、在住客人表、换房查询、转账查询、日经营状况、月收入状况、客房利用率、实时房态。-system design focus of this chapter describe the development of small PowerBuilder 9.0 Rooms Management System process, through the study of this chapter, readers should be familiar with PowerBuilder 9.0 TreeView control and the right mouse button menu of use, master GroupBox, SingleLineEdit, CommandButton, RadioButton, PictureButton controls such as the similarities and differences to further understanding of data objects window displays various occasions the application. System to complete the task Macr system maintenance include : corporate information, the operator management, chAnge passwords, management succession, dictionary management. Macr basic information : Rooms management system for the basic information management (including new, modify or delete), which is the basic informat
上传时间： 2013-12-20
上传用户：ouyangtongze
