The Components of the System unit : Discovering computuer 2010 live in a digital world

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The Components of the System unit : Discovering computuer 2010 live in a digital world by Mind Map: The Components of the System unit : Discovering computuer 2010 live in a digital world

1. Objectives Overview

1.1. Differentiate among various styles of system units on desktop computers, notebook computers, and mobile devices

1.2. Identify chips, adapter cards, and other components of a motherboard

1.3. Describe the control unit and arithmetic logic unit components of a processor, and explain the four steps in a machine cycle

1.4. Identify characteristics of various personal computer processors on the market today, and describe the ways processors are cooled

1.5. Define a bit and describe how a series of bits represents data

1.6. Explain how program instructions transfer in and out of memory

1.7. Understand how to clean a system unit on a computer or mobile device

1.7.1. Explain the purpose of a power supply and describe how it keeps cool

1.8. Describe the types of buses in a computer

1.8.1. Differentiate between a port and a connector, and explain the differences among a USB port, FireWire port, Bluetooth port, SCSI port, eSATA port, IrDA port, serial port, and MIDI port Describe the purpose and types of expansion slots and adapter cards, and differentiate among slots for various removable flash memory devices Differentiate among the various types of memory

2. Processor

2.1. Multi-core processor

2.2. Dual-core processor

2.2.1. New node

2.3. Quad-core processor

3. Data Representation

3.1. Analog

3.1.1. signals are continuous and vary in strength and quality

3.2. Digital

3.2.1. signals are in one of two states: on or off

4. The System Unit

4.1. Drive bay(s)

4.2. Power supply

4.2.1. New node

4.3. Sound card

4.4. Video card

4.5. Processor

4.6. Memory

4.7. New node

5. Memory

5.1. Volatile memory

5.1.1. Loses its contents when power is turned off

5.1.2. Example includes RAM

5.2. Nonvolatile memory

5.2.1. Does not lose contents when power is removed

5.2.2. Examples include ROM, flash memory, and CMOS

6. Expansion Slots and Adapter Cards

6.1. expansion slot

6.2. adapter card

6.2.1. peripherals Sound card video card

7. Ports and Connectors

7.1. Firewire port

7.2. Bluetooth port

7.3. SCSI port

7.4. eSATA port

7.5. IrDA port

7.6. Serial port

7.7. MIDI port

8. Buses

8.1. PCI bus

8.2. PCI Express bus

8.3. Accelerated Graphics Port

8.4. USB and FireWire bus

8.5. PC Card bus

9. Bays

9.1. A drive bay typically holds disk drives

10. Putting It All Together

10.1. Home

10.1.1. Minimum RAM: 2 GB

10.2. Small Office/ Home Office

10.2.1. Minimum RAM: 4 GB

10.3. Mobile

10.3.1. Minimum RAM: 2 GB

10.4. Power

10.4.1. Minimum RAM: 8 GB

10.5. Enterprise

10.5.1. Minimum RAM: 4 GB

11. Keeping Your Computer or Mobile Device Clean

11.1. Clean your computer or mobile device once or twice a year

11.2. Turn off and unplug your computer or mobile device before cleaning it

11.3. Use compressed air to blow away dust

11.4. Use an antistatic wipe to clean the exterior of the case and a cleaning solution and soft cloth to clean the screen

12. Summary

12.1. Components of the system unit

12.2. How memory stores data, instructions, and information

12.3. Sequence of operations that occur when a computer executes an instruction

12.4. Comparison of various personal computer processors on the market today

12.5. How to clean the exterior and interior of a system unit