Computer ConceptsUpdated and revised for currency, this title covers the latest in technology. With a multimedia-rich CD containing all new Labs, Screen Tours, videos, and InfoWebs, computer concepts come alive for your students. |
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Page 136
... packets . A packet is a " parcel " of data that is sent across a computer net- work . Each packet contains the address of its sender , the desti- nation address , a sequence number , and some data . Dividing messages into equal - size ...
... packets . A packet is a " parcel " of data that is sent across a computer net- work . Each packet contains the address of its sender , the desti- nation address , a sequence number , and some data . Dividing messages into equal - size ...
Page 137
... packets A message is divided into packets 1 Each packet is addressed to the destination If a route is congested , a packet can be rerouted CO SCREENTOUR Stanford FIGURE E - 11 : Error detection using parity Under even parity , the ...
... packets A message is divided into packets 1 Each packet is addressed to the destination If a route is congested , a packet can be rerouted CO SCREENTOUR Stanford FIGURE E - 11 : Error detection using parity Under even parity , the ...
Page 184
... packets . This software helps to keep your computer secure in several ways . It makes sure that incoming information was actually requested and is not an unauthorized intrusion . It blocks activity from suspicious IP addresses and ...
... packets . This software helps to keep your computer secure in several ways . It makes sure that incoming information was actually requested and is not an unauthorized intrusion . It blocks activity from suspicious IP addresses and ...
Contents
UNIT A Computer and Internet Basics | 1 |
UNIT B Computer Hardware | 33 |
Computer Software | 65 |
Copyright | |
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antivirus software application software audio backup bitmap bitmap graphic bits browser cable modem called camera CD-ROM color compression computer system computer's contains cookie copy create designed desktop display document domain name e-commerce e-mail message electronic encryption example Favorites Figure file format file management filename extensions floppy disk folder graphics software hard disk drive hardware Help INDEPENDENT CHALLENGE Info input installed instructions Interactive CD Internet Explorer IP address local area network memory menu microprocessor Microsoft Word Napster operating system option packets peripheral devices personal computer pixels port printer processor protocol puter QuickCheck referred screen Search server signals sound specific storage device tags tape Tracking Disk typically unit vector graphics virus viruses Web server Windows Windows Registry workstation