天津开放大学：《电气传动与调速系统》课程教学资源（试卷习题）第一章、第二章自我检测题及答案

99.1 Introduction 99.2 History 99.3 The Internet Today

98.1 Introduction 98.2 Definitions of Failure, Fault, and Error 98.3 Failure Rate and Reliability 98.4 Relationship Between Reliability and Failure Rate 98.5 Mean Time to Failure 98.6 Mean Time to Repair 98.7 Mean Time Between Failures

97.1 Computer and Communications Security Physical Security Cryptology Software Security Hardware Security Network Security Personnel Security 97.2 Fundamentals of Cryptography Central Paradigms Pseudorandomness Zero-Knowledge

96.1 Introduction 96.2 Types of Operating Systems 96.3 Distributed Computing Systems 96.4 Fault-Tolerant Systems 96.5 Parallel Processing 96.6 Real-Time Systems 96.7 Operating System Structure 96.8 Industry Standards 96.9 Conclusions

95.1 Introduction 95.2 Classifications 95.3 Types of Parallel Processors

山东省广播电视学校：《模拟电子线路》课程教学讲义（高频电子技术）绪论

国家开放大学：《机电控制与可编程控制器技术》教学资源（自测与答案）任务四

国家开放大学：《机电控制与可编程控制器技术》教学资源（自测与答案）任务八

国家开放大学：《机电控制与可编程控制器技术》教学资源（自测与答案）任务五