• Like
Computer Fundamentals
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

Computer Fundamentals

  • 1,431 views
Published

Computer Fundamentals

Computer Fundamentals

Published in Education
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
1,431
On SlideShare
0
From Embeds
0
Number of Embeds
0

Actions

Shares
Downloads
71
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Computer Fundamentals Chapter 1
  • 2.
    • A computer is a very powerful and fast computing (calculating) machine.
    • A computer can be defined as a device that can perform both arithmetic and non-arithmetic operations accurately on any data or information at a very high speed.
    • The set of instructions given to the computer is called a program.
  • 3.
    • A program can be defined as a set of instructions, which directs the computer to produce the desired results.
    • GIGO- Garbage In Garbage Out. Means if incorrect data is input to the computer system or an incorrect program acts on the data, the output will also be incorrect.
  • 4. Speed Calculation Unit of Time Parts of a second Millisecond (ms) One-thousandth (1/1000) Microsecond (ms) One-millionth(1/1,000,000) Nanosecond (ns) One-billionth(1/1,000,000,000) Picoscon (ps) One-trillionth (1/1,000,000,000,000)
  • 5. Characteristics of a Computer
    • Speed: The speed of a computer in terms of nanoseconds and picoseconds.
    • Accuracy: All computers have almost 100% accuracy.
    • Reliability: Reliability of any computer system is typically in the range of 99.9%.
    • Memory: It can store many data and easily to access them.
    • Storage: It can hold huge numbers of data.
  • 6. Basic Applications of Computers
    • Schools
    • Multimedia and hospital administration
    • Ticketing
    • Banks and Insurance
    • Scientific and engineering applications
    • Business and administrative applications
    • Avionics and space flights
    • Humanities
    • Police Work
    • Meteorology
    • Entertainment
  • 7. Components of a Computer System
  • 8. The Central Processing Unit (CPU)
  • 9. The System Unit