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INTRODUCTION TO
INPUT/OUTPUT & STORAGE
DEVICES
INPUT DEVICES
what are input devices?
- are hardware devices that allow data to be input
into a computer e.g. mouse, keyboard, touchpad,
touchscreen, scanner etc.
keyboard mouse
INPUT DEVICES CONT..
touch screen touch pad scanner
barcode scanner microphone
OUTPUT DEVICES
What are output devices?
Hardware devices that are used to convert the output
processed by the computer into human-readable form
e.g. monitor, printer, speaker, projectors etc.
Monitor Speaker
OUTPUT DEVICES CONT..
printer projector
MEMORY AND STORAGE DEVICES
Primary memory – it is a main memory that stores
all data: application software, operating system,
data files
Secondary memory – are devices used to store
data e.g. removable hard drives, memory sticks,
CD/DVD etc.
SECONDARY MEMORY
memory stick external hard drive
SECONDARY MEMORY CONT..
DVD CD
USE OF MOUSE AS INPUT
DEVICES
Mouse is a handheld hardware input device
that controls a cursor in a GUI (graphical user
interface) for pointing, moving and selecting
text, icons, files, and folders on your
computer.
PARTS OF A MOUSE
The ball underneath the mouse is used to detect movement
HOW TO HOLD A MOUSE
USE OF KEYBOARD AS INPUT
DEVICES
Keyboard is hardware devices that
allow data to be input into a
computer.
KEYS OF A KEYBOARD
KEYS OF A KEYBOARD
Alphabet/typing keys: used for typing
letter
Numeric keys: used for entering numbers
only
Function keys: used for typing commands
Navigating/special keys: used to perform
specific tasks
HOW TO USE A KEYBOARD
CLASS EXERCISE
Label the part of the mouse given in the picture
below

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INPUTAND OUPUT DEVICES.pptx

  • 2. INPUT DEVICES what are input devices? - are hardware devices that allow data to be input into a computer e.g. mouse, keyboard, touchpad, touchscreen, scanner etc. keyboard mouse
  • 3. INPUT DEVICES CONT.. touch screen touch pad scanner barcode scanner microphone
  • 4. OUTPUT DEVICES What are output devices? Hardware devices that are used to convert the output processed by the computer into human-readable form e.g. monitor, printer, speaker, projectors etc. Monitor Speaker
  • 6. MEMORY AND STORAGE DEVICES Primary memory – it is a main memory that stores all data: application software, operating system, data files Secondary memory – are devices used to store data e.g. removable hard drives, memory sticks, CD/DVD etc.
  • 7. SECONDARY MEMORY memory stick external hard drive
  • 9. USE OF MOUSE AS INPUT DEVICES Mouse is a handheld hardware input device that controls a cursor in a GUI (graphical user interface) for pointing, moving and selecting text, icons, files, and folders on your computer.
  • 10. PARTS OF A MOUSE The ball underneath the mouse is used to detect movement
  • 11. HOW TO HOLD A MOUSE
  • 12. USE OF KEYBOARD AS INPUT DEVICES Keyboard is hardware devices that allow data to be input into a computer.
  • 13. KEYS OF A KEYBOARD
  • 14. KEYS OF A KEYBOARD Alphabet/typing keys: used for typing letter Numeric keys: used for entering numbers only Function keys: used for typing commands Navigating/special keys: used to perform specific tasks
  • 15. HOW TO USE A KEYBOARD
  • 16. CLASS EXERCISE Label the part of the mouse given in the picture below