UNIT 1 Computer Hardware ............................................................................................... 001
LESSON 1 Elements of Computers ................................................................................ 002
LESSON 2 Memory and Microprocessor ....................................................................... 010
LESSON 3 Storage Devices ............................................................................................ 020
LESSON 4 Input and Output Devices ............................................................................. 029
UNIT 2 Software .................................................................................................................... 038
LESSON 1 Computer Software ....................................................................................... 039
LESSON 2 Application Software and System Software ................................................. 048
LESSON 3 Software Engineering ................................................................................... 058
LESSON 4 Programming Language ............................................................................... 070
UNIT 3 Web and E-Commerce ........................................................................................... 080
LESSON 1 Web Basics ................................................................................................... 081
LESSON 2 Searching for Information ............................................................................ 090
LESSON 3 E-Commerce ................................................................................................. 099
LESSON 4 Cookies ......................................................................................................... 109
UNIT 4 Cloud Computing and Big Data ..............................................................................118
LESSON 1 Big Data ........................................................................................................ 119
LESSON 2 The Characteristics of Big Data.................................................................... 128
LESSON 3 Cloud Computing ......................................................................................... 137
LESSON 4 The Key Characteristics of Cloud Computing .............................................. 146
UNIT 5 Communication Technologies ............................................................................... 155
LESSON 1 Model for Digital Communication Systems ................................................. 156
LESSON 2 Key Elements in a Communication System ................................................. 166
LESSON 3 Short-range Wireless Communications ........................................................ 174
LESSON 4 Mobile Communications .............................................................................. 184
UNIT 6 Electronic Technology ............................................................................................. 194
LESSON 1 Components .................................................................................................. 195
LESSON 2 Instruments ................................................................................................... 204
LESSON 3 Circuit Analysis ............................................................................................ 213
LESSON 4 Integrated Circuit .......................................................................................... 221
UNIT 7 Internet of Things .................................................................................................... 228
LESSON 1 What is Internet of Things ............................................................................ 229
LESSON 2 Layered Architecture of IoT ......................................................................... 239
LESSON 3 Recognition Technology of IoT ................................................................... 248
LESSON 4 LPWAN ........................................................................................................ 257