New Perspectives on Computer ConceptsThe innovative approach, from the New Perspectives On Computer Concepts Series, provides your students with an exceptionally effective introduction to computers. Blending practice and concepts with integrated computerized Labs, each chapter focuses on what beginners really need to know. How do I install software? What are data files? How do I perform common file operations? The computerized Labs combine animations, simulations and interactive tutorials to bring the concepts to life... |
From inside the book
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Page 13
... means list ; cls , which means clear the screen ; and ! , which means quit . In addition to command words , command languages often feature parameters or switches that slightly modify a command word . An example is DIR / p , which means ...
... means list ; cls , which means clear the screen ; and ! , which means quit . In addition to command words , command languages often feature parameters or switches that slightly modify a command word . An example is DIR / p , which means ...
Page 121
... means RAM can hold between 4 and 16 million bytes of data . With older computers that use the DOS operating system , you might occasionally get the message " out of memory " when you try to run a program . This message means that RAM ...
... means RAM can hold between 4 and 16 million bytes of data . With older computers that use the DOS operating system , you might occasionally get the message " out of memory " when you try to run a program . This message means that RAM ...
Page 153
... means reversing the coding process that took place before the message was sent . Source Encode CHANNEL → Decode Receiver 2 The message , represented by an arrow , is the information that the source wants to communicate to the receiver ...
... means reversing the coding process that took place before the message was sent . Source Encode CHANNEL → Decode Receiver 2 The message , represented by an arrow , is the information that the source wants to communicate to the receiver ...
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Common terms and phrases
32 bits Apple Macintosh application software binary number bitmap graphics boot process bytes cable cache CD-ROM chapter clusters color column command compression computer system connect contains copy create data file database decimal display document EBCDIC eight bits electronic encoded erase example file server filename floppy disk format graphical user interface hard disk drive hardware images install instructions Internet keyboard lanterns letter license Macintosh main board megabytes memory menu microcomputer microprocessor Microsoft Windows modem mouse multimedia number system operating system option package parallel port parity bit password perform peripheral devices pixels printer processor program files protocol provides read-write head represent requires screen sectors serial port shown in Figure sound spreadsheet storage device stored tape tion transmission transmit tutorial typically user interface vector graphics virus word processing workstation