The Component of system unit

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The Component of system unit by Mind Map: The Component of system unit

1. System unit

1.1. mother board

1.1.1. computer chip

2. processor (CPU)

2.1. ALU

2.1.1. comparision

2.2. control unit

2.2.1. directs and coordination

2.3. machine cycle

2.3.1. 1.FETCH

2.3.2. 2.DECODE

2.3.3. 3.EXCECUTE

2.3.4. 4.STROE

2.4. Leading of chip

2.4.1. AMD

2.4.2. INTEL

2.5. Saving

2.5.1. Heat sinks

2.5.2. Liquid cooling technology

3. Data Representation

3.1. Analog

3.1.1. signals are continuous

3.2. Digital

3.2.1. signals are two states

3.2.1.1. on

3.2.1.2. off

3.3. Binary system

3.3.1. 8 bits for 1 bytes

3.4. ASCLL code for symbol

4. Memory

4.1. volatile

4.1.1. loses its contents when turned off

4.1.1.1. RAM

4.2. Non-volatile

4.2.1. Do not loses its contents when turned off

4.2.1.1. ROM

4.2.1.1.1. permanent

4.2.1.1.2. can erased

4.2.1.1.3. can written and erased

5. slots

5.1. with plug and play cards

5.1.1. auto install

5.2. Removeable flash

5.2.1. Mem card

5.2.2. pc card

5.2.3. usb flash drives

6. port and connectors

6.1. usb port

6.2. bluetooth wrieless port

6.3. ect.

7. Buses

7.1. allows the various attached to system unit

7.2. word size

8. Bay

8.1. opening

8.2. can additional equipment

9. Power supply

9.1. converts ac to dc