Machine Cycle

Machine Cycle is also called a processor cycle or instruction cycle. It is compose FETCH (Retrieve an instruction from the memory.) , DECODE (Translate the retrieved instruction into a series of computer commands.) , EXECUTE (- Execute the computer commands.) , STORE (Write the results back in memory.).

What's a network? What's a packet?
Computer system linked together. Packet is a data which moves to a network through small pieces.

Can a data travel through network?
Yes.

By how?
By...
1. LAN (Local Area Network) - connects network from a short distance
2. MAN (Metropolitan Area Network) - connects an area larger than the area spanned by a LAN
3. WAN (Wide Area Network) - spans a large area, larger than MAN
4. WLAN (Wireless Local Area Network)
5. CAN (Campus Area Network)
6. SAN (Storage Area Network)
7. PAN (Personal Area Network)
8. System Area Network

DATA TRANSMISSION - the physical transfer of data over a communication channel or medium