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Title: Introduction to Computers
Description: This lecture note will cover the basic concepts about computer. This will include the following: - Levels of Computer Literacy - The Information Processing Cycle - Components of Computer System - Advantages and Disadvantages of Computers
Description: This lecture note will cover the basic concepts about computer. This will include the following: - Levels of Computer Literacy - The Information Processing Cycle - Components of Computer System - Advantages and Disadvantages of Computers
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Introduction
Computer Literacy
• Knowledge and
understanding of
computers and their
uses
• Comfort level someone
has with using
computer programs
and other applications
that are associated
with computers
Computer skills
• Ability to use the
software and hardware
of a computer
• Computer literacy is
only really evident in
advanced computer
skills
• “Computer functional”
Computer skills
Basic computer skills
• Knowing how to switch
on the computer
• Being able to use a
mouse to interact with
elements on the screen
• Being able to use the
computer keyboard
• Being able to shut down
the computer properly
after use
Computer skills
Intermediate skills
• Functional knowledge of word
processing
• How to use e-mail
• How to use Spreadsheets
• How to use Databases
• How to use the Internet
• Installing software
• Installing an operating system
• Navigating a computer's file
system
Computer skills
Advanced skills
include
• Programming
• Use of a computer for
scientific research
• Fixing software
conflicts
• Repairing computer
hardware
Information Processing Cycle
• INPUT
– Computer will accept data from the user
...
• OUTPUT
– Computer will display the processed data which is the
Information
...
• COMMUNICATION
– The user can share the information to other computer
Components of Computer
• Input device
– allows user to
enter data or
instructions into
the computer
...
Keyboard,
mouse, scanner,
microphone,
barcode reader
Components of Computer
• System Unit
– boxlike case
containing the
computer’s electronic
components, which
are use to process
data
Components of Computer
• System Unit
• Motherboard Contains adapter
cards, processor chips,
and memory chips
• Processor – brain of the
computer system
• Memory – it stores
instructions waiting to be
executed and the data
needed by those
instructions
Output device
• Conveys
Information to
one or more
people
...
Monitor, printer,
speaker
...
Ex
...
Ex
Title: Introduction to Computers
Description: This lecture note will cover the basic concepts about computer. This will include the following: - Levels of Computer Literacy - The Information Processing Cycle - Components of Computer System - Advantages and Disadvantages of Computers
Description: This lecture note will cover the basic concepts about computer. This will include the following: - Levels of Computer Literacy - The Information Processing Cycle - Components of Computer System - Advantages and Disadvantages of Computers