Computers
Computer is a machine that can store and find huge amounts of information and solve difficult number problems very fast. Computer contain parts, called microchips to make them work. They use programs to tell them what to do.
Computer types
Desktop Computer: A computer placed on the desktop. It consists of monitor, keyboard, mouse and computer case.
Notebook Computer: A mobile computer build in keyboard and touchpad. E.g. IBM Thinkpad R51
Netbook: A very small and protable notebook computer.
Tablet PC: Provides stylus for tapping on the screen and sometimes provides keyboard. E.g. Sony VAIO UX
PDA: A handheld computer provides stylus that used outside or inside the building. E.g. O2 XDAIIi
Smartphone: A mobile phone that have many kinds for applications and advanced communicating. E.g. Nokia N95
Computer Devices
Horizontal Computer Case: Place the monitor on the computer case.
Vertical Computer Case: Place the monitor at the side of the computer case.
Processor: The main brain in the system unit. E.g. Intel Pentium D
Motherboard: The circuitboard of the computer. E.g. ASUS VMCSM02
Memory: Known as Random-Access Memory. Used to store during and after processing the information. E.g. Kingston KVR 1GB DDR2 memory
Hard Disk Drive: Stores data and information. E.g. Seagate Hard Disk
Display Card: Connects to the monitor and this card connect to the AGP expansion slot. E.g. PowerColorX850XT
Monitor: Display the information. E.g. IBM ThinkVision L170
Keyboard: Input commands. E.g. IBM 101 keyboard
Mouse: Move cursor. E.g. Sony VAIO Laser mouse
Modem/Router: Connect to the Internet/Network among your home/work/world.