The Evolution Of The Desktop Computer By Nicholas Bland.

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Presentation transcript:

The Evolution Of The Desktop Computer By Nicholas Bland

A desktop is a type of personal computer that is immobile

Hardware Software Price SpeedUses CHANGES OVER TIME

1972-the microprocessor The microprocessor is a computer processor that incorporates the functions of a computers central processing unit (CPU) on a single integrated circuit

1973-Xerox alto The first computer with a mouse Screen Large 1 MHz

1974- the Altair Input by way toggle switches Output by way of LED light CPU-Intel 8080 OS- CP/M basic 2 MHz $400-$600

Mid 70’s-The Apple 1 Steve Jobs, Steve Wozniak Microprocessor CPU- MOS MHz $666

All-in-one PC (AIO) Monitor built into console Space consolidation Lack of upgradability

1977 Commodore PET Personal electronic transactor Early All-In-One 9 inch display screen OS- basic in ROM CPU-MOS MHz $795

1979- The Apple II Color display First User friendly PC Expansion Slots for customization OS- WOS integer basic CPU- MOS MHz

Desktop customization describes software that is specifically developed for a specific organization or user

1981- The IBM 5150 Featured MS-DOS Operating System Became the Standard CPU- INTEL 8088 OS- MS-DOS 7.44 MHZ $1,500 - $2,000

Standardization- enables computer users to use the same software on computers by different manufactures

Early 80’s Apple Lisa Graphical User Interface 12 inch screen OS- Apple Lisa GUI CPU- Motorola MHz $10,000 Apple Macintosh Graphical User Interface 9 inch scree OS- Apple Macintosh GUI CPU- Motorola MHz More Affordable $2,500

Graphical User Interface (GUI) –Allows users to interact with their computer by means of icons and graphical displays as opposed to text commands

Became the new standard GUI Conflict with apple begins 1985-Microsoft Windows

Hardware Microprocessor Mini tower Mid tower Tower Monitors All in ones Larger screens

Software Standardization Customization GUI

Speed of the Desktop Average speed of a desktop is GHz The average speed of a desktop in 1970s was 1-2 MHz

Price The price of a desktop is now is usually between 275 and 1600 The price of a desktop in the 1970’s would range from ,000

Practical Uses Then Advance calculation Now Wide range of functions