1. LOGIC GATE AND SIMPLE LOGIC GATE
1.1. AND GATE
1.2. OR GATE
1.3. NOR GATE
2. INFORMATION CODING SYSTEM
2.1. ASCII
2.1.1. use 8 bits to represent a character (256 characters)
2.2. EBCDIC
2.2.1. use 8 bits to represent a character (256 characters)
2.3. Unicode
2.3.1. use 16 bits to represent a character (more than 65000 characters)
3. MOTHERBOARD AND PROCESSOR
3.1. MOTHERBOARD COMPONENT
3.1.1. PROCESSOR SLOT
3.1.1.1. Slot on the motherboard that houses a CPU and forms the electrical interface with CPU
3.1.2. MEMORY SLOT
3.1.2.1. Slot on the motherboard that hold memory module
3.1.3. ADAPTER CARD SLOT
3.1.3.1. Slot on the motherboard that can hold adapter card
3.1.3.2. Fire Wire Card
3.1.3.3. Modem Card
3.1.3.4. Network Card
3.1.3.5. Sound Card
3.1.3.6. USB Card
3.1.3.7. Video Card
3.1.3.8. MIDI Card
3.1.3.9. TV Tuner
3.1.3.10. PC to TV Converter
3.2. MOTHERBOARD - The main circuit board of the system unit that contains integrated circuits
4. MEMORY
4.1. VOLATILE -when computer is turn off, volatile memory loses its content, temporary
4.1.1. RAM
4.1.1.1. DRAM
4.1.1.2. SRAM
4.1.1.3. MRAM
4.2. NON-VOLATILE - read only memory (ROM) refers to memory, data cannot be modified
4.2.1. ROM
4.2.1.1. PROM
4.2.1.2. EPROM
4.2.1.3. EEPROM
5. STORAGE
5.1. TYPE OF STORAGE
5.1.1. MAGNETIC STORAGE
5.1.2. OPTICAL STORAGE
5.1.3. FLASH MEMORY
6. INFORMATION PROCESSING CYCLE
6.1. INPUT - Process of entering data and instruction into memory of computer
6.2. OUTPUT - Process of transforming data into information
6.3. OUTPUT - Process of conveying information to the user
6.4. STORAGE - Holds data, instructions and information for future use
7. INPUT AND OUTPUT DEVICE
7.1. INPUT DEVICE - any hardware component allows users to enter data and instruction into a computer
7.1.1. KEYBOARD
7.1.2. POINTING DEVICE
7.1.3. TOUCH SCREEN
7.1.4. SCANNER
7.1.5. PEN INPUT
7.1.6. VIDEO INPUT
7.1.7. BIOMETRIC INPUT
7.1.8. VOICE INPUT
7.2. OUTPUT DEVICE - any hardware component that conveys information to one or more people
7.2.1. MONITOR
7.2.2. PRINTER