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Introduction
Chapter 1: Part I
Contents
• What is computer?
• What is program?
• What is computer organization?
• What is computer architecture?
• What are job opportunities in computer
related field?
• Who invented the computer?
Objectives
• At the end of this topic, students should be able to:
– Define the term “computer”.
– Define the term “program”.
– Identify the existence and the utilization of computer in
daily life.
– Define computer architecture and computer organization
– Differentiate between computer architecture and
computer organization
– Identify job opportunities in computer-related fileds.
– Explain computer history
What is Computer?
• A computer is ……..
– An electronic device
– Programmable machine
– Receive input, perform processes, provide
output
– Execute tasks
• How can we recognize a computer?
– Physical features
– Physical behaviors
What is Computer?
• Examples of computer…
– Daily live
– Business and Commercial
– Science and Technology
– Communications and Transportations
What is “Program”?
• Program is…
– A collection of instructions
– A collection of statements
– A collection of steps or procedures
…written in computer language to
– Solve problems
– Perform special tasks
What is “Program”?
• Example of computer programs…
– Software …will be discussed during next chapter
What is computer organization?
• Computer organization is…
– Operational units and their interconnections
What is computer architecture?
• Computer architecture is…
– Attributes of a system visible to a programmer
– Attributes of a system which have direct impact
on the logical execution of a program.
Organization vs. Architecture
• Situation I
– Computer manufacturers produce same
computer architecture with different
organization.
What are job opportunities in
computer related field?
• You can be a…
– Programmer
– System analyst
– System Administrator
– Web Designer/Developer
– Database Administrator
– Network Engineer
– Computer Engineer
– IS Consultant
– Computer Security Consultant/Specialist
– …
Who invented the computer?
• The story were:
– Abacus
– Mechanical Machine
– Electronic Machine
Who invented the computer?
• Blaise Pascal – 1642
• French mathematician
• Invented a calculating
machine to help his
father, who served as
Royal Tax
Commissioner
Who invented the computer?
• Gottfried Leibniz
• German mathematician
• Invented the first true
multiplying calculator in
1670s based on Pascal
machine.
Who invented the computer?
• Joseph-Marie Jacquard
• French silk weaver
• Invented the Jacquard
Loom that weaved
complex designs in
1801
Who invented the computer?
• Charles Babbage
• An English
mathematician,
philosopher,
mechanical engineer
• Originated the idea of a
programmable
computer in 1820.
The London Science Museum's replica Difference Engine, built
from Babbage's design.
Who invented the computer?
• Herman Hollerith
• An American
statistician
• Invented a mechanical
tabulator based on
punched cards in order
to rapidly tabulate
statistics from millions
of pieces of data in
1890.
Who invented the computer?
• ENIAC
– Electronic Numerical Integrator And Computer.
– The first large-scale, electronic, digital computer
– Reprogrammed to solve a full range of computing
problems.
– Designed by John Mauchly and J. Presper Eckert of the
University of Pennsylvania in 1943.
– Modern PC with 17,468 vacuum tubes, 7,200 crystal
diodes, 1,500 relays, 70,000 resistors, 10,000 capacitors
and around 5 million hand-soldered joints
Who invented the computer?
Who invented the computer?
• EDVAC
– Electronic Discrete Variable Automatic
Computer.
– A binary computer with automatic addition,
subtraction, multiplication, programmed division
and automatic checking.
– Designed with 6,000 vacuum tubes and 12,000
diodes, and consumed 56 kW of power.
Who invented the computer?
End of Chapter 1 Part I

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Chapter 1 part i introduction

  • 2. Contents • What is computer? • What is program? • What is computer organization? • What is computer architecture? • What are job opportunities in computer related field? • Who invented the computer?
  • 3. Objectives • At the end of this topic, students should be able to: – Define the term “computer”. – Define the term “program”. – Identify the existence and the utilization of computer in daily life. – Define computer architecture and computer organization – Differentiate between computer architecture and computer organization – Identify job opportunities in computer-related fileds. – Explain computer history
  • 4. What is Computer? • A computer is …….. – An electronic device – Programmable machine – Receive input, perform processes, provide output – Execute tasks • How can we recognize a computer? – Physical features – Physical behaviors
  • 5. What is Computer? • Examples of computer… – Daily live – Business and Commercial – Science and Technology – Communications and Transportations
  • 6. What is “Program”? • Program is… – A collection of instructions – A collection of statements – A collection of steps or procedures …written in computer language to – Solve problems – Perform special tasks
  • 7. What is “Program”? • Example of computer programs… – Software …will be discussed during next chapter
  • 8. What is computer organization? • Computer organization is… – Operational units and their interconnections
  • 9. What is computer architecture? • Computer architecture is… – Attributes of a system visible to a programmer – Attributes of a system which have direct impact on the logical execution of a program.
  • 10. Organization vs. Architecture • Situation I – Computer manufacturers produce same computer architecture with different organization.
  • 11. What are job opportunities in computer related field? • You can be a… – Programmer – System analyst – System Administrator – Web Designer/Developer – Database Administrator – Network Engineer – Computer Engineer – IS Consultant – Computer Security Consultant/Specialist – …
  • 12. Who invented the computer? • The story were: – Abacus – Mechanical Machine – Electronic Machine
  • 13. Who invented the computer? • Blaise Pascal – 1642 • French mathematician • Invented a calculating machine to help his father, who served as Royal Tax Commissioner
  • 14. Who invented the computer? • Gottfried Leibniz • German mathematician • Invented the first true multiplying calculator in 1670s based on Pascal machine.
  • 15. Who invented the computer? • Joseph-Marie Jacquard • French silk weaver • Invented the Jacquard Loom that weaved complex designs in 1801
  • 16. Who invented the computer? • Charles Babbage • An English mathematician, philosopher, mechanical engineer • Originated the idea of a programmable computer in 1820.
  • 17. The London Science Museum's replica Difference Engine, built from Babbage's design.
  • 18. Who invented the computer? • Herman Hollerith • An American statistician • Invented a mechanical tabulator based on punched cards in order to rapidly tabulate statistics from millions of pieces of data in 1890.
  • 19. Who invented the computer? • ENIAC – Electronic Numerical Integrator And Computer. – The first large-scale, electronic, digital computer – Reprogrammed to solve a full range of computing problems. – Designed by John Mauchly and J. Presper Eckert of the University of Pennsylvania in 1943. – Modern PC with 17,468 vacuum tubes, 7,200 crystal diodes, 1,500 relays, 70,000 resistors, 10,000 capacitors and around 5 million hand-soldered joints
  • 20. Who invented the computer?
  • 21. Who invented the computer? • EDVAC – Electronic Discrete Variable Automatic Computer. – A binary computer with automatic addition, subtraction, multiplication, programmed division and automatic checking. – Designed with 6,000 vacuum tubes and 12,000 diodes, and consumed 56 kW of power.
  • 22. Who invented the computer?
  • 23. End of Chapter 1 Part I