1. Chapter 1 Desktop Computer
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Chapter 1 Desktop Computer
Refer to page 1 in the text.
A desktop computer and its components are designed to fit on or under a desk.
© 2010 Lawrenceville Press

2. Chapter 1 Mobile Computing Devices
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Chapter 1 Mobile Computing Devices
Refer to page 1 in the text.
Examples of mobile computing devices.
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3. Chapter 1 Data Flow Refer to page 2 in the text.
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Chapter 1 Data Flow
Refer to page 2 in the text.
All data flows through the CPU.
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4. Chapter 1 Windows Vista Operating System
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Chapter 1 Windows Vista Operating System
Refer to page 3 in the text.
Windows Vista interface example.
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5. Chapter 1 Windows Vista Utilities
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Chapter 1 Windows Vista Utilities
Refer to page 4 in the text.
Windows Vista Utilities.
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6. Chapter 1 LAN Using a Bus Topology
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Chapter 1 LAN Using a Bus Topology
Refer to page 7 in the text.
The bus topology is a physical LAN topology that uses a single central cable, called the bus or backbone to attach each node directly.
© 2010 Lawrenceville Press

7. Chapter 1 LAN Using a Star Topology
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Chapter 1 LAN Using a Star Topology
Refer to page 7 in the text.
In a star topology, each node is attached to a hub, which is a device that joins communication lines at a central location on the network.
© 2010 Lawrenceville Press

8. Chapter 1 LAN Using a Ring Topology
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Chapter 1 LAN Using a Ring Topology
Refer to page 7 in the text.
In a ring topology, each node is connected to form a closed loop. A LAN with a ring topology can usually cover a greater distance than a bus or star topology.
© 2010 Lawrenceville Press

9. Chapter 1 Decimal to Binary
Decimal Binary Base 2 Equivalent
0 0 =0×21+0×20 =0×2+0×1 =0+0
1 1 =0×21+1×20 =0×2+1×1 =0+1
2 10 =1×21+0×20 =1×2+0×1 =2+0
3 11 =1×21+1×20 =1×2+1×1 =2+1
4 100 =1×22+0×21+0×20 =1×4+0×2+0×1 =4+0+0
Refer to page 8 in the text.
In the binary, or base two, number system, each place value is represented by a power of 2.

10. Chapter 1 Storing Data in Memory
Refer to page 9 in the text.
Data stored in memory is referred to by an address.

11. Chapter 1 E-mail Address
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Chapter 1 Address
Refer to page 13 in the text.
An address is required in order to send and receive messages. addresses are provided when you sign up with an ISP or an online service.
© 2010 Lawrenceville Press

12. General citation for material located at a website:
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Chapter 1 MLA Citations
General citation for material located at a website:
Author’s Last Name, First Name MI. Site Title. Access date. Organization name. <URL>.
Example citation of a personal website:
Rawlings, Julie. Home page. 23 Dec <http: //
continued next slide
Refer to page 15 in the text.
A widely accepted form for citation is published by the Modern Language Association (MLA) in its publication MLA Handbook for Writers of Research Papers, Fourth Edition.
© 2010 Lawrenceville Press

13. Chapter 1 MLA Citations, continued
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Chapter 1 MLA Citations, continued
Example citation of an article in an online magazine:
Schiffman, Paula. "Making Vinegar at Home." Vinegar Monthly. 4 May < lpdatafiles.com/ vinegarassoc/journal.asp>.
Example citation of a posting to a discussion list:
Cruz, Anthony. "Are Orchestras Going Downhill?" online posting. 10 Oct Tuscon Annual Ballet Conf. < tuscontoes/downhill.txt>.
Refer to page 15 in the text.
Additional MLA citation examples are shown here.
© 2010 Lawrenceville Press