Digital Literacy Computer Basics 1.00

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Digital LiteracyComputer 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

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CB 1.01 TYPES OF COMPUTERS
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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.

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TYPES of PERSONAL COMPUTERS
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Types of Computers

• The most common computer is the Personal Computer
  (PC).
• A personal computer is a computer that is
  designed for use by one person at a time.
• There are six different types of computing
  devices
• Desktop
• Laptop
• Netbook
• Tablet
• Handheld
• Smartphone

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Desktop Computers

• 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

• 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

• Portable, lightweight mini-laptop computers.
• Designed for connectivity
• Inexpensive

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Tablet Computers

• 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

• 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

• Handheld computers that have telephone
  capabilities.

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CB 1.02COMPUTER HARDWARE
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Hardware

• The tangible, physical equipment that can be seen
  and touched

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Parts of a Computer
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Examples of Hardware

• Computer Case
• Monitor
• Keyboard
• Mouse
• Speakers
• Printer
• Scanner

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DATA AND INPUT DEVICES
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Data

• Data is text, numbers, sounds, and images entered
  into the computer to be processed.

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What Is Data?

• Information entered into the computer to be
  processed.
• Examples of data are
• text (letters)
• numbers
• sounds
• images (pictures)

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Input

• The process of entering information into the
  computer.
• Putting information into the computer

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What is Input?

• Data you put into the computer
• How you communicate with your computer

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Input Devices

• Devices that
• allow you to put data into your computer
• allow you to communicate with your computer
• Input devices provide a means for the user to
  command and control the PC

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Examples of Input Devices

• Keyboard (most commonly used)

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Examples of Input Devices

• Mouse

• Trackball

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Examples of Input Devices

• Joystick
• Light Pen

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Examples of Input Devices

• Stylus

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Examples of Input Devices

• Touchpad
• Touch Screen

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Examples of Input Devices

• Pointing Stick
• Bar Code Reader

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Examples of Input Devices

• Scanner
• Microphone

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Examples of Input Devices

• Graphics Tablet
• Digital Cameras

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Check your NOTESInput Devices

• Keyboard
• Mouse
• Trackball
• Stylus
• Joystick
• Light Pen
• Touchpad

• Touch Screen
• Pointing Stick
• Bar Code Reader
• Scanner
• Microphone
• Graphics Tablet
• Digital Cameras

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OUTPUT DEVICES
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What is Output?

• What you get out of the computer
• Sounds
• Display on the monitor screen
• Something you print
• How your computer communicates with you

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Output Devices

• 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

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Output Devices

• Monitor (visual device)
• screen that displays information such as text,
  numbers, and images
• Produces a soft copy

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Output Devices

• Printer (visual device)
• gives you information or pictures from the
  computer in printed form.
• Produces a hard copy

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Output Devices

• Speakers/Headphones (auditory devices)
• allow you to hear voice, music, and other sounds
  from your computer.

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Examples of Output Devices

• Monitor (most commonly used)
• Printer
• Speakers/Headphones

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Hard Copy vs. Soft Copy
vs.
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Soft Copy

• The image you see on the monitor
• The copy you can only SEE
• S o f t S e e

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Hard Copy

• The document you get from your printer
• The copy you can HOLD in your HAND
• H A R D H O L D / H A N D

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• THE END