树上结蜜糖 发表于 2025-3-23 09:55:23
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Practice, Education, Work and Societyhttp://image.papertrans.cn/c/image/230732.jpggrudging 发表于 2025-3-24 01:19:05
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Case Statement,The . statement is used when there are multiple decisions to be made. It is normally used to replace the . statement when there are many routes of execution the program execution can take. The syntax of . is as follows.揉杂 发表于 2025-3-24 07:29:04
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If Statement,A decision is made with the . statement. It logically determines whether a conditional expression is TRUE or FALSE. For a TRUE, the program executes one block of code; a FALSE causes the execution of another (if any). The keyword . identifies the FALSE block. In Pascal, the . and . keywords are used.miscreant 发表于 2025-3-24 17:16:04
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Public-Key Encryption,Public-key algorithms use a secret element and a public element to their code. One of the main algorithms is RSA. Compared with DES it is relatively slow but it has the advantage that users can choose their own key whenever they need one. The most commonly used public-key cryptosystems are covered in the next sections.