1. computer
1.1. info
1.2. data
2. function
2.1. components
2.1.1. input
2.1.2. output
2.1.3. cpu
2.1.4. memory
2.2. hardware, software
2.2.1. hardware
2.2.1.1. input
2.2.1.2. output
2.2.1.3. memory
2.2.1.4. cpu
2.2.1.5. storage
2.2.2. software
2.2.2.1. operating system
2.2.2.2. lang processer
2.2.2.2.1. assembler
2.2.2.2.2. interpreter
2.2.2.2.3. compiler
2.2.2.3. application software
2.2.2.3.1. costamised
2.2.2.3.2. general
2.3. strength and weakness
2.3.1. strength
2.3.1.1. speed
2.3.1.2. high storage
2.3.1.3. accuracy
2.3.1.4. reliability
2.3.1.5. versatility
2.3.2. weeknesses
2.3.2.1. lack of decision making
2.3.2.2. iq zero
3. types
3.1. purpose wise
3.1.1. special purpose computers
3.1.2. gemeral purpose computers
3.2. principle of operation
3.2.1. analog computers
3.2.2. digital computers
3.2.2.1. embedded computers
3.2.2.2. personal/desktop computers
3.2.2.2.1. mobile/handhold computers
3.2.2.2.2. portable PCs
3.2.2.2.3. workstations
3.2.2.2.4. desktop computers
3.2.2.3. mid range servers/mini computers
3.2.2.4. mainframe computers
3.2.2.5. super computers
3.2.3. hybrid computers