A presentation about history of computers,generations and all the necessary information which helps you to gain the knowledge about history of computers.
THE COMPUTER DEFINED
In basic term, a computer is an electronic device that processes data, converting it into information that is useful to people. Any computer- regardless of its type- is controlled by programmed instructions, which gives the machine a purpose and tell it what to do.
THE COMPUTER DEFINED
In basic term, a computer is an electronic device that processes data, converting it into information that is useful to people. Any computer- regardless of its type- is controlled by programmed instructions, which gives the machine a purpose and tell it what to do.
hi there,,,,,,!!!
I am ajit yadav please see my ms powerpoint presentation 2007 & comment my ppt 'Microsoft Office 2007 (codenamed Office 12)[4] is a version of Microsoft Office, a family of office suites and productivity software for Windows, developed and published by Microsoft. It was released to volume license customers on November 30, 2006[5] and to retail customers on January 30, 2007, the same respective release dates of Windows Vista. It was preceded by Office 2003 and succeeded by Office 2010.
Office 2007 introduced a new graphical user interface called the Fluent User Interface, which uses ribbons and an office start menu instead of menu bars and toolbars.[6] Office 2007 requires at Windows XP with Service Pack 2, Windows Server 2003 with Service Pack 1, or a later OS.[2] Office 2007 is the last version of Microsoft Office to support Windows XP Professional x64 Edition.
Office 2007 includes new applications and server-side tools, including Microsoft Groove, a collaboration and communication suite for smaller businesses, which was originally developed by Groove Networks before being acquired by Microsoft in 2005. Also included is Office SharePoint Server 2007, a major revision to the server platform for Office applications, which supports Excel Services, a client-server architecture for supporting Excel workbooks that are shared in real time between multiple machines, and are also viewable and editable through a web page.
With Microsoft FrontPage discontinued, Microsoft SharePoint Designer, which is aimed towards development of SharePoint portals, becomes part of the Office 2007 family. Its designer-oriented counterpart, Microsoft Expression Web, is targeted for general web development. However, neither application has been included in Office 2007 software suites.123
EC8791-Embedded and Real Time Systems #7th Sem ECE #Embedded System Introduction # Embedded System Real Time Examples #Career opportunity in Embedded System Filed #Growth of Embedded System
hi there,,,,,,!!!
I am ajit yadav please see my ms powerpoint presentation 2007 & comment my ppt 'Microsoft Office 2007 (codenamed Office 12)[4] is a version of Microsoft Office, a family of office suites and productivity software for Windows, developed and published by Microsoft. It was released to volume license customers on November 30, 2006[5] and to retail customers on January 30, 2007, the same respective release dates of Windows Vista. It was preceded by Office 2003 and succeeded by Office 2010.
Office 2007 introduced a new graphical user interface called the Fluent User Interface, which uses ribbons and an office start menu instead of menu bars and toolbars.[6] Office 2007 requires at Windows XP with Service Pack 2, Windows Server 2003 with Service Pack 1, or a later OS.[2] Office 2007 is the last version of Microsoft Office to support Windows XP Professional x64 Edition.
Office 2007 includes new applications and server-side tools, including Microsoft Groove, a collaboration and communication suite for smaller businesses, which was originally developed by Groove Networks before being acquired by Microsoft in 2005. Also included is Office SharePoint Server 2007, a major revision to the server platform for Office applications, which supports Excel Services, a client-server architecture for supporting Excel workbooks that are shared in real time between multiple machines, and are also viewable and editable through a web page.
With Microsoft FrontPage discontinued, Microsoft SharePoint Designer, which is aimed towards development of SharePoint portals, becomes part of the Office 2007 family. Its designer-oriented counterpart, Microsoft Expression Web, is targeted for general web development. However, neither application has been included in Office 2007 software suites.123
EC8791-Embedded and Real Time Systems #7th Sem ECE #Embedded System Introduction # Embedded System Real Time Examples #Career opportunity in Embedded System Filed #Growth of Embedded System
Computer literacy refers to the knowledge and skills required to effectively use computers and related technology. It is essential in today's society as computers have become integral parts of our personal and professional lives.
Obtain an overview of computer science
• Become familiar with the definition of computer, its history and
the various classifications of computers.
• Learn about the various types of computers
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2. •The first man-made computing device is the “Abacus”
•The abacus, also called a counting frame.
•The Chinese abacus was developed about 5000 years ago.
•Addition, subtraction, division and multiplication can be
performed on a standard abacus.
3. •John Napier, a Scotland national, found the Logarithms to the world
in 1617.
•Using John Napiar’s logarithm concepts, the slide rule was designed in
England in 1632.
4. •Around 1642, a French mathematician called
Blaise Pascal invented the adding machine that
helped mathematical calculations.
•Additions and subtractions could be done easily
by using it.
•Pascal’s machine was one of the first mechanical calculating
machine.
5. •An Englishman called Charles Babbage designed the first model
required for a mechanical computer in 1822.
6. •Charles Babbage designed the 'Analytical Engine' in 1833.
•Components required for data input, storage, processing and output
had been designed inside.
•Computers designed later were greatly influenced by these concepts
of Babbage and that is why Babbage is considered to be the ‘Father of
computers’.
7. •A friend of Babbage called Ada Augusta Lovelace was keen on
preparing programmes required for his engine.
•Such programmes are considered to be the first
attempt of computer programming.
•Ada Augusta Lovelace is considered to be the
first computer programmer in the world.
•The computer language which was used later for
military purposes was named Ada to pay
respect for her.
8. •Herman Hollerith adopted the punched card concept.
•Early method of data storage used with early computers.
•Punch cards also known as Hollerith cards and IBM cards.
9.
10. A computer can be classified as follows:
1) Based on the generations
2) Size
3) Purpose
4)Design technology / Computational method /Type
14. •Can solve one problem at a time.
•Input was based on punched cards and paper tape,
and output was displayed on printouts.
•First generation computers based on machine
language, the lowest-level programming language
understood by computers
15. Disadvantages
Very large in size.
Consumed a large amount of energy.
They heated very soon due to thousands of
vacuum tubes.
16. Disadvantages
They were not very reliable.
Constant maintenance was required.
Very slow in speed.
Used magnetic drums which provide very less data
storage.
20. •The second generation of computers used transistors for
the internal operations.
•They used magnetic core for the
memory
•Still based on punched cards for input
and printouts for output.
21. •The first computers that stored their instructions in their
memory, which moved from a magnetic drum to magnetic
core technology.
•Used symbolic, or Assembly language, which allowed
programmers to specify instructions in words.
•High-level programming languages were also being
developed at this time, such as early versions
of COBOL and FORTRAN.
22. Advantages:
Smaller in size as compared to the first generation
computers.
Computers were more reliable
Used less energy and were not heated.
23. Advantages:
Better portability as compared to the first generation
computers.
Used faster peripherals like tape drives, magnetic disks,
printers etc.
Used Assembly language instead of Machine language.
Accuracy improved.
28. •These computers used integrated circuits on silicon
chips.
•A single IC chip may contain thousands of transistors.
Eg:- IBM 370, IBM System/360, UNIVAC
1108 and UNIVAC AC 9000
29. Advantages
Smaller in size as compared to previous generations.
More reliable.
Used less energy
Produced less heat as compared to the previous two
generations.
Better speed and could calculate data in nanoseconds.
Used fan for heat discharge to prevent damage.
30. Advantages
Totally general purpose
Could be used for high-level languages.
Good storage capacity.
Less expensive
Better accuracy
Commercial production increased.
Used mouse and keyboard for input.
34. •Use microprocessor chips.
•The Microprocessor contains thousands of ICs.
•The technology of integrated circuits improved rapidly.
•The LSI (Large Scale Integration) circuit andVLSI (Very
Large Scale Integration) circuit was designed.
•Reduced the size of computer.
35. •The size of modern Microprocessors is usually one square
inch.
•It can contain millions of electronic circuits.
•Examples :- Apple Macintosh & IBM PC.
•Can be linked together to form networks, which led to the
development of the Internet.
• Introduced GUI’s and hand-held devices.
36. Advantages
More powerful and reliable than previous generations.
Small in size
Fast processing power with less power consumption
Fan for heat discharging and to keep cold.
Totally general purpose
39. •Based on the technique of Artificial Intelligence (AI).
•Computers can understand spoken words & imitate the
human.
•Can respond to its surroundings using different types of
sensors.
40. •Scientists are constantly working to increase the processing
power of computers.
•IBM Watson computer is one example for a 5th generation
computer.
•There are some applications, such as voice recognition, that
are being used today.
41. Computers can be classified according to their sizes
too.
Mainframe computers
Mini computers
Micro computers
42. There are different types of Micro computers. Some of them are,
•Personal Computers (PC)
•Laptop Computers
•Palmtop computers
•Workstations
•Server computers
•Super computers
43. Computers can be categorized into two types based on their
purpose.
1)General Purpose Computers
Computers used for usual and day - to - day activities.
2) Special Purpose Computers
Computers used for special purposes such as scientific
experiments, air traffic control systems etc.
44. 1) Digital computers
Computers designed by using the binary /digital number
system are called digital computers.
A digital computer can count and accept numbers and
letters through various input devices.
45. 2) Analog computers
Computers which are designed considering the physical
data such as temperature, sound, and pressure etc.
Analog computers process data input in a continuous
form.
46. 2) Analog computers
Data such as voltage, temperature are represented
in the computer as a continuous, unbroken flow of
information.
Analog computers are used in engineering and
scientific applications.
47. 3) Hybrid computers
A combination of the above two types of computers.
Example: In Process Control Computer Systems,
the inputs comes from devices like pressure,
thermometers etc.
48. 3) Hybrid computers
The inputs from analog devices are sent to a digital
computation unit that runs the mathematical model for
controlling the process.