Bridging the GapThe Digital Divide
BINARY LANGUAGE
Binary language is computer language comprised of “1’s” and “0’s”1 represents the “ON” position2 represents the “OFF” position
BYTE COMPARISONS
One complete binary digit is a Byte(Example 10010010 = Byte)1,000 Bytes is a Kilobyte1,000 Kilobytes is a Megabyte1,000 Megabytes is a Gigabyte1,000 Gigabytes is a Terabyte
TYPES OF COMPUTERS
SupercomputersMainframe ComputersMinicomputersMicrocomputersLaptopsDesktopsTabletsMobile Phones
INPUT DEVICES
Center – KeyboardClockwise from Top LeftJoystickScannerTouchscreenLightpenStylusWebcameraScannerMicrophoneMouse
OUTPUT DEVICES
VisualComputer MonitorPrinterAudioHeadphonesSpeakers
MOTHERBOARD
The Motherboard Contains:CPU (Processor)MemoryHard DriveExpansion SlotsVideo CardAudio CardUSB PortsPower Supply
RAM
RAM is your writing desk – what you need NOW!DocumentsProgramsFile AccessThe size of your RAM is how much your computer is able to handle at once
PROCESSORS
Processors serve four functionsRetrieve InformationDecode InformationExecute ProgramsWriteback results
STORAGE
Internal Hard DriveExternal Hard DriveThumbdriveFloppy DiscHard DiscOptical DriveBlurayDVD
COMPUTER PORTS
Universal Serial Bus (USB) PortsUsually at least 2 per computer, and able to hook up multiple devicesVGA PortUsed to connect a device to the computer’s video graphics cardPower ConnectorEthernet PortUsed to connect computer directly to the internet
ERGONOMICS
For better computer health you should:Select a chair with a lumbar support (or use a rolled up towel for your back)Use a headset for your telephone if you are on your phone for work a lot.Position the monitor arm’s length from your head for best viewing.Position keyboard where your elbows are at a 90 degree angle during use.Keep the bottom of your feet flat on the ground for best posture practices.
The Digital Divide, ICT, and Broadband Internethttp://www.internetworldstats.com/links10.htmBinaryhttps://www.computerhope.com/jargon/b/binary.htmWhat is a Byte?http://whatsabyte.comTypes of Computershttps://turbofuture.com/computers/computer-typesComputer Input Deviceshttps://www.tutorialspoint.com/computer_fundamentals/computer_input_devices.htmComputer Output Deviceshttps://www.tutorialspoint.com/computer_fundamentals/computer_output_devices.htmWhat is a Motherboard?https://www.lifewire.com/motherboards-system-boards-and-mainboards-2618154What is RAM? https://www.lifewire.com/what-is-random-access-memory-ram-2618159
References
What is a CPU (Processor)?http://whatis.techtarget.com/definition/processorComputer Storagehttp://www.explainingcomputers.com/storage.htmlComputer Portshttps://www.tutorialspoint.com/computer_fundamentals/computer_ports.htmComputer Ergonomicshttps://www.uhs.umich.edu/computerergonomics
References