How personal computers have evolved

• Introduction• Personal Computers.• History of Computers• History of Personal Computers• How has the Personal Computer Changed our

Lives?• Present• Future• Conclusion• References

Overview

Introduction

• What are Personal Computers.

• Charles Babbage is known as the Father of Computers

• How PC’s have changed our lives.

• Development of PC’s

• The advantages and disadvantages of computers.

• Different types of computers.

Personal Computer

• Personal computer is a micro computer designed to be used by an individual user.

• It’s a machine that allows users to perform every tasks.

• Personal Computers are widespread among home users and in businesses.

(Webopedia, 2011; Whatis.com, n.d.)

History of Computers

• Charles Babbage invented the Analytical Engine in 1830.

• Tommy Flowers invented Colossus which was the worlds first electronic, and programmable computer in 1943.

• John Mauchly and J. Presper Eckert invented the Electronic Numerical Integrator And Computer (ENIAC) in 1946.

• The Innovation of the Integrated Circuit (1959) and the Microprocessor (1971) reformed the computer.

Fig.1 – Analytical Engine

Fig.2 – ENIAC(Webopedia, 2011; Whatis.com, n.d; The Great Idea Finder, 2007)

History of Personal Computers

• John Lentz invented IBM 610 in 1957.

• Personal Computers first appeared in the late 1970’s.

• Steve Wozniak 1977 invented Apple II in 1977, which was the one of the first and most popular personal computer in that time.

• In 1981 the IBM PC quickly began personal computer of the choice.

• The term “Personal Computer” got popular with the IBM PC.

Fig.3 – Apple II

Fig.4 – IBM PC(Whatis.com, n.d; Gizmo's freeware, 2011)

How has the PC changed our lives?

• Everyday activities such as checking email, typing documents and surfing the internet.

• Gaming and entertainment purposes.

• Social Networking.

• Banking and shopping online without leaving the house.

• Companies make computer models before they are manufactured.

(Star Shine Technology, 2011; Softpedia, 2005; Ask, 2005)

• Earning money online from money making websites.

• Working more efficiently and more effectively.

• Computers have become portable so we can carry it anywhere.

• Sharing videos, photos and ideas has become much more easier.

How has the PC changed our lives?

(Star Shine Technology, 2011; Softpedia, 2005; Ask, 2005)

Advantages

• Used for educational, medical, entertainment purposes etc.

• Practically unlimited number of data can be stored.

• Simple and Complex calculations can be done in seconds.

• Data manipulation and problem solving can be done faster, efficiently and more accurately.

(Blurtit, 2011; eHow, 2011)

Disadvantages

• Children are much addicted to PC gaming.

• PC’s can be contributed to criminal activities such as hacking and stealing information.

• Information can be deleted, lost or stolen.

• System failures can cause loss of data.

• Replaced people in employment

(Blurtit, 2011; eHow, 2011)

Present

Today Personal Computes comes in different types.

• Desktop Computers• Gaming Computers• Notebooks• Netbooks• Tablet PCs• Pocket PCs• Smartphones

• Desktop PC’s are not portable.

• Desktop PC’s are used by everyday users to perform daily tasks.

• Gaming PC’s are used to play graphic intensive computer games.

• Desktop PC’s are much cheaper than Gaming PC’s.

• Desktop Easy to upgrade.

Desktop and Gaming PC’s

(Answers.com, n.d.)

• Notebook is a replacement for desktop computers.

• Notebooks are smaller and portable than laptops and it has a longer battery life.

• All notebooks are laptops, but not all laptops are notebooks.

• Notebooks are mostly used by students, travellers and businessmen.

Notebooks

(DifferenceBetween, 2011)

• Netbooks are smaller in size compared to Notebooks.

• Very portable and lightweight.

• Very inexpensive and has omitted features compared to a notebook.

• Netbooks are widely used by frequent travellers to check email and surf the internet.

Netbooks


• Tablet PC is a computer with a touch screen.

• Easy to use and portable.

• Used for entertainment and business purposes.

• Can get damaged easily.

• Cost more than a Netbook.

Tablet PC


• Pocket PC is a handheld-size computer.

• It has some of the abilities of modern desktop computer.

• Pocket PC’s are powerful even thou they are small in size.

• Does not differ with features compared to a Netbook, except size.

• Used by frequent travellers.

Pocket PC

(FreeTechExams, 2005)

• Computers are being replaced by Smartphones.

• Smartphone is a phone, computer, camera, music and video player, document editor and organizer all in one.

• Social Networking in your hard wherever you go anywhere in the world.

• Cost same as a laptop.

Smartphone

(Digital Evangelism Issues, 2011)

Future

• Keyboards are being replaced by Touchscreens.

• Computers with Transparent displays.

• Computers will change our lifestyle and control everything we do.

• Computers will create advance Artificial Intelligence.

(CBT Planet, 2011; Jeutiem, 2011)

Summary

• Personal Computer is a microcomputer used by a single user.

• Computers comes in different types such as Notebooks, Pocket PC, Tablet PC etc.

• Smartphone is now also a type of computer due to the similar functions it has.

• In the future, computers will be touchscreens and transparent and much more smarter and faster.

Conclusion

References

• Answers.com, (n.d.). The advantages of a PC? [online]. Available from: http://wiki.answers.com/Q/The_advantages_of_a_PC. [Accessed 20 November 2011].

• Ask, (2010). How have Computers Changed Our Lives?. [online]. Available from: http://answers.ask.com/Computers/Other/how_have_computers_changed_our_lives. [Accessed 25 November 2011].

• Blurtit, (2011). What Are The Advantages And Disadvantages Of A Computer? [online]. Available from: http://www.blurtit.com/q862605.html. [Accessed 26 November 2011].

• CBT Planet, (2011). The Future of Computers. [online]. Available from: http://www.cbtplanet.com/articles-tutorials/the-future-of-computers.htm. [Accessed 25 November 2011].

• DifferenceBetween, (2011). Difference Between Laptop and Notebook computer. [online]. Available from: http://www.differencebetween.net/technology/difference-between-laptop-and-notebook-computer/. [Accessed 3 December 2011].

References

• DifferenceBetween, (2011). Difference Between Notebook and Netbook computer. [online]. Available from: http://www.differencebetween.net/object/difference-between-notebook-and-netbook/. [Accessed 3 December 2011].

• DifferenceBetween, (2011). Difference Between Tablet PCs and Netbooks. [online]. Available from: http://www.differencebetween.net/object/gadgets-object/difference-between-tablet-pcs-and-netbooks/. [Accessed 3 December 2011].

• Digital Evangelism Issues, (2011). Why buy a smartphone? What are the advantages? [online]. Available from: http://www.internetevangelismday.com/blog/archives/4614. [Accessed 28 November 2011].

• eHow, (2011). The Advantages of Personal Computers. [online]. Available from: http://www.ehow.com/facts_5580767_advantages-personal-computers.html. [Accessed 20 November 2011].

• FreeTechExams, (2005). Pocket PC. [online]. Available from: http://www.freetechexams.com/computers-tips/computer-tips/pocket-pc.html. [Accessed 3 December 2011].

• Gizmo's freeware, (2011). A Brief History of Personal Computers. Available from: http://www.techsupportalert.com/history-of-personal-computers.htm. [Accessed 28 November 2011].

• Jeutiem (2011). PoV: The future of 'personal computers.' [online]. Available from: http://jeutie.info/blog/2011/06/19/pov-the-future-of-pc/. [Accessed 25 November 2011].

• Softpedia, (2005). Technology that changed our lives. [online]. Available from: http://news.softpedia.com/news/Technology-that-changed-our-lives-172.shtml. [Accessed 3 December 2011].

• Star Shine Technology, (2011). How Computer Technology Has Changed Our Lives. [online]. Available from: http://starshinetechnology.com/2011/07/how-computer-technology-has-changed-our-lives/. [Accessed 28 November 2011].

• The Great Idea Finder, (2007). Personal Computer. [online]. Available from: http://www.ideafinder.com/history/inventions/compersonal.htm. [Accessed 20 November 2011].

• Webopedia, (2011). personal computer. [online]. Available from: http://www.webopedia.com/TERM/P/personal_computer.html. [Accessed 20 November 2011].

• Whatis.com, (n.d.). personal computer (PC). [online]. Available from: http://whatis.techtarget.com/definition/0,,sid9_gci214279,00.html. [Accessed 20 November 2011].

References

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How personal computers have evolved