Transcript Computer Basics 1.00 Digital Literacy

Digital Literacy
Computer Basics 1.00
CB 1.01 Identify types of computers
CB 1.02 Identify types and purposes of input
and output devices
CB 1.03 Identify how hardware is connected
and installed
CB 1.01
TYPES OF COMPUTERS
What is a Computer?
An electronic device that
receives data, processes data,
produces a result (output), and stores data
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A computer is an electronic device
you can use to store and process
information.
TYPES of PERSONAL
COMPUTERS
Types of Computers
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The most common computer is the Personal Computer (PC).
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A personal computer is a computer that is designed for use by
one person at a time.
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There are six different types of computing devices:
• Desktop
• Laptop
• Netbook
• Tablet
• Handheld
• Smartphone
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Desktop Computers
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Are made up of individual components
(monitor, a keyboard, a system unit, and a
printer).
Not portable - used on a desk or table
Have more memory, a larger hard drive,
more ports, and a bigger display than
laptops and other portable computers.
Can run for long periods at a time.
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Laptop Computers
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Lightweight and designed for travel
Run on electricity or on batteries.
Perform the same tasks as desktop
computers.
Uses more power than desktops
Usually cost more than desktops
Are also called notebook computers.
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Netbook
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Portable, lightweight mini-laptop
computers.
Designed for connectivity
Inexpensive
Tablet Computers
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Fully functional computers that allow you
to write directly on the screen by using a
tablet pen or your finger.
Can also use the tablet pen or your finger
to perform mouse functions.
Do not need a keyboard and a mouse.
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Handheld Computers
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Are devices used for specific everyday
tasks, such as managing personal data.
Are smaller than laptops and provide
fewer features compared to desktop
computers or laptops.
Can also perform basic word-processing
activities and help you access the Internet.
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Smartphone
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Handheld computers that have
telephone capabilities.
CB 1.02
COMPUTER HARDWARE
Hardware
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The tangible, physical equipment that
can be seen and touched
Parts of a Computer
Examples of Hardware
• Computer Case
• Monitor
• Keyboard
• Mouse
• Speakers
• Printer
• Scanner
DATA AND INPUT DEVICES
Data
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Data is text, numbers, sounds, and
images entered into the computer to be
processed.
What Is Data?
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Information entered into the computer to
be processed.
Examples of data are
• text (letters)
• numbers
• sounds
• images (pictures)
Input
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The process of entering information
into the computer.
Putting information into the computer
What is Input?
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Data you put into the computer
How you communicate with your
computer
Input Devices
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Devices that
• allow you to put data into your
computer
• allow you to communicate with your
computer
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Input devices provide a means for
the user to command and control
the PC
Examples of Input Devices
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Keyboard (most commonly used)
Examples of Input Devices
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Mouse
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Trackball
Examples of Input Devices
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Joystick
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Light Pen
Examples of Input Devices
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Stylus
Examples of Input Devices
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Touchpad
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Touch Screen
Examples of Input Devices
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Pointing Stick
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Bar Code
Reader
Examples of Input Devices
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Scanner
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Microphone
Examples of Input Devices
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Graphics Tablet
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Digital
Cameras
Check your NOTES
Input Devices
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Keyboard
Mouse
Trackball
Stylus
Joystick
Light Pen
Touchpad
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Touch Screen
Pointing Stick
Bar Code Reader
Scanner
Microphone
Graphics Tablet
Digital Cameras
OUTPUT DEVICES
What is Output?
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What you get out of the computer
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How your computer communicates with
you
• Sounds
• Display on the monitor screen
• Something you print
Output Devices
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Devices that
• allow you to get data (output) out of
your computer.
• allow your computer to communicate
with you.
Output devices can be grouped as
either sight (visual) or sound (auditory)
devices
Output Devices
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Monitor (visual device)
• screen that displays information such
as text, numbers, and images
• Produces a soft copy
Output Devices
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Printer (visual device)
• gives you information or pictures from
the computer in printed form.
• Produces a hard copy
Output Devices
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Speakers/Headphones (auditory
devices)
• allow you to hear voice, music, and
other sounds from your computer.
Examples of Output Devices
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Monitor (most commonly used)
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Printer
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Speakers/Headphones
Hard Copy vs. Soft Copy
vs.
Soft Copy
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The image you see on the monitor
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The copy you can only SEE
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Soft–See
Hard Copy
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The document you get from your
printer
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The copy you can HOLD in your
HAND
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HARD–HOLD/HAND
THE END