SlideShare a Scribd company logo
p. 1.2 Fig. 1-1
The Digital Revolution
Where can you find computers?
 Computers are everywhere
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
The Digital Revolution
What is computer literacy?
 Knowledge and understanding of
computers and their uses
p. 1.4
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
What Is a Computer?
How is a computer
defined?
 Electronic machine
operating under the
control of instructions
stored in its own
memory
• Accepts data
• Manipulates data
• Produces results
• Stores results
p. 1.4
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
Data
Raw facts,
figures, and
symbols
Information
Data that is
organized,
meaningful,
and useful
What Is a Computer?
What are data and information?
p. 1.4 Fig. 1-2
Next
What Is a Computer?
Who is a user?
 Person who
communicates
with a
computer or
uses the
information it
generates
p. 1.4
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
Software
Instructions that
tell hardware how
to perform tasks
Hardware
Electronic and
mechanical equipment
What Is a Computer?
What are hardware and software?
p. 1.4
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
Input
Output
Storage
Communication
What is the
information
processing
cycle?
What Is a Computer?
Process
p. 1.5
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
The Components of a
Computer
What are common computer hardware
components?
printer
scanner
speaker
PC camera
microphone
digital camera
system unit
keyboard
modem
monitor
mouse
p. 1.5 Fig. 1-3
Next
speaker
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
The Components of a
Computer
What is an input device?
 Hardware used to enter data and instructions
scanner
microphone
keyboard
mouse
PC camera
digital
camera
Click to view
Web Link
then click
Input Devices
p. 1.5 Fig. 1-3
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
The Components of a
Computer
What is an output device?
 Hardware that conveys information to a user
Click to view Web
Link
then click Output
Devices
printer
monitor speakers
p. 1.6 Fig. 1-3
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
Memory
• Temporary holding place for data
and instructions
The Components of a
Computer
What are two main components on the
motherboard?
Central Processing Unit
(CPU)
• Also called a processor
• Carries out instructions that tell
computer what to do
Click to view Web Link
then click Processors
p. 1.6
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com
The Components of a
Computer
What is storage?
 Holds data, instructions, and information for future use
Storage
Device
• Records and retrieves
items to and from
a storage medium
Storage
Medium
• Physical material
on which data,
instructions, and
information are
stored
Click to view
Web Link
then click
Storage Devices
p. 1.7
Next
Shafeeq ur Rahman
03132333999, ch.saint@gmail.com

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Computer Notes.pdf

  • 1. p. 1.2 Fig. 1-1 The Digital Revolution Where can you find computers?  Computers are everywhere Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 2. The Digital Revolution What is computer literacy?  Knowledge and understanding of computers and their uses p. 1.4 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 3. What Is a Computer? How is a computer defined?  Electronic machine operating under the control of instructions stored in its own memory • Accepts data • Manipulates data • Produces results • Stores results p. 1.4 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 4. Data Raw facts, figures, and symbols Information Data that is organized, meaningful, and useful What Is a Computer? What are data and information? p. 1.4 Fig. 1-2 Next
  • 5. What Is a Computer? Who is a user?  Person who communicates with a computer or uses the information it generates p. 1.4 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 6. Software Instructions that tell hardware how to perform tasks Hardware Electronic and mechanical equipment What Is a Computer? What are hardware and software? p. 1.4 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 7. Input Output Storage Communication What is the information processing cycle? What Is a Computer? Process p. 1.5 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 8. The Components of a Computer What are common computer hardware components? printer scanner speaker PC camera microphone digital camera system unit keyboard modem monitor mouse p. 1.5 Fig. 1-3 Next speaker Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 9. The Components of a Computer What is an input device?  Hardware used to enter data and instructions scanner microphone keyboard mouse PC camera digital camera Click to view Web Link then click Input Devices p. 1.5 Fig. 1-3 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 10. The Components of a Computer What is an output device?  Hardware that conveys information to a user Click to view Web Link then click Output Devices printer monitor speakers p. 1.6 Fig. 1-3 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 11. Memory • Temporary holding place for data and instructions The Components of a Computer What are two main components on the motherboard? Central Processing Unit (CPU) • Also called a processor • Carries out instructions that tell computer what to do Click to view Web Link then click Processors p. 1.6 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com
  • 12. The Components of a Computer What is storage?  Holds data, instructions, and information for future use Storage Device • Records and retrieves items to and from a storage medium Storage Medium • Physical material on which data, instructions, and information are stored Click to view Web Link then click Storage Devices p. 1.7 Next Shafeeq ur Rahman 03132333999, ch.saint@gmail.com