This document provides an introduction to computing and describes different types of computers. It outlines the course, including assignments and marking schemes. Computers are defined as machines that can perform computations based on instructions. They are not intelligent on their own and require human programming. Various computer types are described for individual and organizational use, including desktops, notebooks, tablets, servers, mainframes, and supercomputers. Supercomputers are the most powerful and are used for complex simulations in fields like weather forecasting and automotive safety testing. Students are directed to readings to supplement the course material.
Introduction to computing, Analog Computers, Hybrid computers, TYPES OF COMPUTER, Parts of the Computer ,
Software, Hardware, data, Users, Input and output devices,
Introduction to computing, Analog Computers, Hybrid computers, TYPES OF COMPUTER, Parts of the Computer ,
Software, Hardware, data, Users, Input and output devices,
The parts of a computer slideshow for grades 3-4. Includes a quiz and activity. The activity is supposed to have the students act out the parts of a computer.
*ROM is READ ONLY MEMORY - I had a typo...sorry!
This is the first lecture belonging to the course "Introduction to computers". It covers the following topics:- Computer Definition,Electronic Data Processing, Data and Information definitions,Types of data, Characteristics of computer.
Basics of the Computer System.
Hi Everyone, here in this presentation you are about to get knowledge of 'What actually is a Computer System? Different types of computer, Computer Hardware, Software and a lot more with animated video..
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The parts of a computer slideshow for grades 3-4. Includes a quiz and activity. The activity is supposed to have the students act out the parts of a computer.
*ROM is READ ONLY MEMORY - I had a typo...sorry!
This is the first lecture belonging to the course "Introduction to computers". It covers the following topics:- Computer Definition,Electronic Data Processing, Data and Information definitions,Types of data, Characteristics of computer.
Basics of the Computer System.
Hi Everyone, here in this presentation you are about to get knowledge of 'What actually is a Computer System? Different types of computer, Computer Hardware, Software and a lot more with animated video..
This Video URL:
https://youtu.be/X5x5SI0rTz4
YouTube Channel URL:
https://www.youtube.com/channel/UCKVvceV1RGXLz0GeesbQnVg
Google+ Page URL:
https://plus.google.com/113458574960966683976/videos?_ga=1.91477722.157526647.1466331425
My Website Link:
http://appsdisaster.blogspot.com/
If you are interested in learning more about topics like this so Please don't forget to like, share, & Subscribe us.
Thanks
Computer Science & Information Systems
First attempt to offer a broad view of CS & IS field by comparing and relate its disciplines
Luis Borges Gouveia
November 2013
Computer: Definition
A computer is a machine that can be programmed to manipulate symbols. Its principal characteristics are:
It responds to a specific set of instructions in a well-defined manner.
It can execute a prerecorded list of instructions (a program).
It can quickly store and retrieve large amounts of data.
Therefore computers can perform complex and repetitive procedures quickly, precisely and reliably. Modern computers are electronic and digital. The actual machinery (wires, transistors, and circuits) is called hardware; the instructions and data are called software. All general-purpose computers require the following hardware components:
Central processing unit (CPU): The heart of the computer, this is the component that actually executes instructions organized in programs ("software") which tell the computer what to do.
Memory (fast, expensive, short-term memory): Enables a computer to store, at least temporarily, data, programs, and intermediate results.
Mass storage device (slower, cheaper, long-term memory): Allows a computer to permanently retain large amounts of data and programs between jobs. Common mass storage devices include disk drives and tape drives.
Input device: Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.
Output device: A display screen, printer, or other device that lets you see what the computer has accomplished.
In addition to these components, many others make it possible for the basic components to work together efficiently. For example, every computer requires a bus that transmits data from one part of the computer to another.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
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Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
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2. TEXT BOOK
Introduction to Computers
By Peter Norton
Other material will be mentioned in the last slide for
every lecture
Please do not rely on slides alone, if you want to do
well in this course make sure you read the book as
well.
3. MARKING
The marks distribution is as following
Quizzes, Assignments and Projects
Sessional 1
Sessional 2
Final Exam
25%
10%
15%
50%
Quizzes will be surprise. That is at the start of end of any
class I can take a quiz.
4. MARKING
Assignments and Projects will be given through out
the course.
Make sure your assignments are not copied in any
form.
5. ASSIGNMENT 1
Research on the internet and in the library and compile
history of computers.
You should write the history in your own words and not
just copy paste from the internet.
Give proper references.
Your assignment can be hand written or typed.
The assignment should be no more then 5 pages.
All future assignments will be typed.
7. PURPOSE OF THE COURSE
Give an overview of what computers are and what
they can do
Help you do everyday tasks and prepare you to
make use of Computers in your field.
8. WHAT IS A COMPUTER
A machine which can take instructions, and
perform computations based on those instructions.
10. IS A COMPUTER INTELLIGENT??
NO!!!!
The are nothing like a human brain
Computers can only follow instructions blindly
The instructions that we give to the computer to
perform a certain task are called programs
11. IS A COMPUTER INTELLIGENT??
To understand how dumb a computer is consider
the following example
You have created a Robot that of course has a
computer as a brain.
You want that robot to go to the market and fetch
you an ice cream
Consider what instruction would you need to give to
the robot?
12. WHAT CAN A COMPUTER DO?
A computer can process data very quickly
It can perform millions of calculations in seconds
BUT........
Still it is not intelligent
It can only follow instructions.
It can not make its own decisions
Humans have to tell the computer exactly what to
do.
13. WHY ARE COMPUTERS POWERFUL?
Amazing speed
Can store and organize large amounts of data
Can perform millions of operations in seconds
A government can store information about all of its
citizens
Accuracy
Computers are very precise and accurate
Most mistakes that computers make are down to human
error
14. COMPUTERS FOR INDIVIDUAL USE
Desktop computers
The most common type of computer
Sits on the desk or floor
Performs a variety of tasks
Workstations
Specialized computers
Optimized for science or graphics
More powerful than a desktop
15. COMPUTERS FOR INDIVIDUAL USE
Notebook computers
Small portable computers
Weighs between 3 and 8 pounds
About 8 ½ by 11 inches
Typically as powerful as a desktop
Netbook computers
Smaller and less powerful then laptops/notebook
computers.
16. COMPUTERS FOR INDIVIDUAL USE
Tablet
computers
Newest development
in portable computers
Input is through
a pen or touch screen
Run specialized
versions of office
products
19. COMPUTERS FOR INDIVIDUAL USE
Handheld computers
Very small computers
Personal Digital Assistants (PDA)
Note taking or contact management
Data can synchronize with a desktop
Smart phones
Hybrid of cell phone and PDA
Web surfing, e-mail access
20. COMPUTERS FOR ORGANIZATIONS
Network servers
Centralized computer
All other computers connect
Provides access to network resources
Multiple servers are called server farms
Often simply a powerful desktop
21. COMPUTERS FOR ORGANIZATIONS
Mainframes
Used in large
organizations
Handle thousands
of users
Users access through
a terminal can be a
dumb terminal or
intelligent terminal
22. MAINFRAMES VS. NETWORK SERVERS
mainframes are more popular and generally more
reliable
Servers are smaller, significantly less expensive
Servers allow users to work "off-line," only needing
to connect with the client-server when they need to
share information.
With mainframes, everyone must be logged on
simultaneously, which can slow the processing
speed.
24. COMPUTERS FOR ORGANIZATIONS
Supercomputers
The most powerful
computers made
Handle large and
complex calculations
Process trillions of
operations per second
Found in research
organizations
25. WHERE ARE SUPER COMPUTERS USED?
The "Big Bang," or the initial expansion of all
energy and matter in the universe, happened more
than 13 billion years ago in trillion-degree Celsius
temperatures, but supercomputer simulations make
it possible to observe what went on during the
universe's birth
Forecasting hurricanes
using live data directly, supercomputers can predict
the possible paths a hurricane can take.
Auto manufacturers use supercomputers to
simulate auto accidents on video screen. This is
less expensive and more revealing then actually
crashing a car.