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1
INTRODUCTION TO
COMPUTER
Presented by
Aniqa Shuhab
OUTLINE
 What is computer
 Data
 Information
 Input and output
 Input output devices
 Software and hardware
 Types of computer
 Use of computer
 Conclusion
COMPUTER
 Computer comes from the word
“COMPUTE”
 Compute means “TO CALCULATE”
 A computer is a ELECTRONIC device
that
 Accepts input,
 Process the data
 Store the data
 produces output”.
Input Processing
Instructions
Output
DATA AND INFORMATION
DATA
Any Combination of facts and figures in
their raw or unprocessed form.
INFORMATION
It is a meaningful collection of data.
INPUT AND OUTPUT
 INPUT
 Any information or data that's entered
or sent to the computer
 Output
 Anything that is displayed from the
computer is output.
 Input device
 Hardware used to enter data and
instructions
 Output device
 Hardware that conveys information to
a user
SOFTWARE AND HARDWARE
Hardware
 Physical components
that make up a
computer system
Software
 Software, also called a
program, tells the
computer what tasks to
perform and how to
perform them System
Software
TYPES OF COMPUTERS
Desktop
Laptop Tablet Pc
PDA Palm PC Net book
MAINFRAME
 Minicomputers
SUPERCOMPUTERS
12
EXAMPLES OF COMPUTER USAGE
What are five categories of computer users?
Home Small Office/
Home Office (SOHO)
Mobile
Large Business Power
13
what is computer......?

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what is computer......?

  • 1. 1
  • 3. OUTLINE  What is computer  Data  Information  Input and output  Input output devices  Software and hardware  Types of computer  Use of computer  Conclusion
  • 4. COMPUTER  Computer comes from the word “COMPUTE”  Compute means “TO CALCULATE”  A computer is a ELECTRONIC device that  Accepts input,  Process the data  Store the data  produces output”. Input Processing Instructions Output
  • 5. DATA AND INFORMATION DATA Any Combination of facts and figures in their raw or unprocessed form. INFORMATION It is a meaningful collection of data.
  • 6. INPUT AND OUTPUT  INPUT  Any information or data that's entered or sent to the computer  Output  Anything that is displayed from the computer is output.  Input device  Hardware used to enter data and instructions  Output device  Hardware that conveys information to a user
  • 7.
  • 8. SOFTWARE AND HARDWARE Hardware  Physical components that make up a computer system Software  Software, also called a program, tells the computer what tasks to perform and how to perform them System Software
  • 9. TYPES OF COMPUTERS Desktop Laptop Tablet Pc PDA Palm PC Net book
  • 12. 12 EXAMPLES OF COMPUTER USAGE What are five categories of computer users? Home Small Office/ Home Office (SOHO) Mobile Large Business Power
  • 13. 13