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four functions of a computer? input, processing, output, storage
input device A computer collects data or instructions from the user via keyboard, mouse, etc.
storage The computer saves data or instructions in its memory for use during processing
processing The computer interprets the data entered.
central processing unit the brain of the computer
output device The computer displays or produces processed information for the user via something that you see or hear
hardware any part of the computer that ou can touch
peripheral is a device connected to a computer, but not part of it.
software Computer software carries out the four functions
operating system software Responsible for running software and hardware.
OS example Linux, Windows, and iOS
application software Application software is designed to allow users to perform specific tasks
network Two or more computers connected by cable or radio signals
LAN local area network
WAN wide area network
topology is the physical layout of computers
bus All computers and peripherals are attached to one main cable
star All computers and peripherals are attached to a central hub
program files Software applications (i.e. video games, word processors, etc.)
.docx microsoft word document
pptx microsoft powerpoint file
xlsx microsoft exel file
exe Windows Executable File
zip compressed zipped file
wma Windows Media Audio
wav Wave Audio File
gif Graphical Interchange Format
social bookmarking Easy to access to bookmarked webpage from any computer, anywhere (i.e. Diigo).
electronic research database Collections of journal & magazine articles (i.e. Statistics Canada, HWDSB Virtual Library)
advantages of a database -Information is well organized -Provide information in known sources -Content has undergone a review process
what makes a good source -Usefulness -Accuracy -Validity -Bias -Currency
internet search tips -Be Specific -Exclude things -Be demanding -Keeping the word together -Canadian searching -Specialized searching
Created by: rgrady



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