Technology in ActionThis volume focuses on what tasks students can accomplish with their PC and what skills they can apply immediately in the workplace and at home. This introduction to computers and computing addresses topics such as -- examining why it's important to be computer fluent and how computers impact our society; examining the basic components of the computer; connecting to the Internet; exploring software; learning the operating system and personalizing the computer; evaluating and upgrading the PC; exploring home networking and keeping the computer safe from hackers; going mobile with cell phones, PDAs, Tablet PCs, and laptops; and going behind the scenes, looking at hardware in more detail. This work is packaged with a multimedia program on CD-ROM to reinforce the material taught in the text. |
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Page 549
... packets and sequences them appropriately . It also handles acknowledgment of packets ( that is , it determines whether the packets were received at their destina- tion ) and decides whether packets need to be sent again . In our e ...
... packets and sequences them appropriately . It also handles acknowledgment of packets ( that is , it determines whether the packets were received at their destina- tion ) and decides whether packets need to be sent again . In our e ...
Page 552
... packet get a MAC address ? Data packets are not necessar- ily sent alone . Sometimes groups of data packets are sent together in a group called a frame . Frames are containers that can hold multiple data packets . This is similar to ...
... packet get a MAC address ? Data packets are not necessar- ily sent alone . Sometimes groups of data packets are sent together in a group called a frame . Frames are containers that can hold multiple data packets . This is similar to ...
Page 559
... packet screeners . Packet screening involves examining incoming data packets to ensure they originated from or are authorized by valid users on the internal net- work . The router is the device that performs the packet screening ...
... packet screeners . Packet screening involves examining incoming data packets to ensure they originated from or are authorized by valid users on the internal net- work . The router is the device that performs the packet screening ...
Contents
Chapter | 2 |
Understanding the Parts | 40 |
Technology in Focus | 78 |
Copyright | |
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Common terms and phrases
Active Helpdesk allows application software audio binary Bluetooth browser cable called camera cell phone chapter chip client client computer client/server network create database designed desktop devices disk drive display documents e-mail Edit Ethernet example files firewall FireWire flash memory folder hackers hard disk hard drive hardware images inkjet inkjet printers input install Internet connection IP address keyboard language memory messages Microsoft Microsoft Office monitor multimedia notebook operating system packets podcasts ports printer processor Protocol puter router screen search engine server shown in Figure software applications Sound Byte storage system unit tablet PC tasks Tier 1 ISPs tion updates users Windows XP wireless network