Computer is create from 2 word: compute and er. So, the meaning is something that can compute. The simplest computer is calculator. The other meaning is a tool that can sensed by human directly that support a system.
Computer hardware:
- input: keyboard, mouse, micro phone, etc
- output: monitor, speaker, etc
- processor
- primary memory: random acces memory (fast, if no electricity the data will be lost)
- secondary memory: harddisk (slow, if no electricity the data will stay at the memory)
- bus
- sound card
- vga card
- network card
- etc
How to plug? Don't worry because hardware:
- always pair
- can use a terminal
- have different symbol
- can use adapter
- information written
- different color
- have different shape and size
- often packed with the diagram
Computer characteristic:
- Run appropiate with input and program (software) given
- Can remember dan process detail
- Can count rapidly
- Cannot make a correction / decision
- Very dependent with electric
Computer mith:
- Computer can think (smart)
- Computer make a mistake
- Fastest computer allow the internet connection more speedy
- Broken computer always caused by virus
- More expensive computer, more fit for user
Technology trend
- Newest technology have different shape
- Newest technology have more smaller size
- Newest technology more smaller electric consumption
- Newest technology have more bigger in capacity/speed, but with more cheap price
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