A set of revision notes to support the CIE IGCSE IT course

1. 1B. TYPES OF COMPUTER SYSTEMS
A HISTORY LESSON!

2. TYPES OF COMPUTER SYSTEMS
• Personal Computer or desktop
• Mainframe
• Laptop
• Palmtop
• Personal Digital Assistant (PDA)
• Tablet PC
• Mobile devices/smartphones
• Gaming Consoles
• Embedded Systems

3. DIGITAL CONVERGENCE

4. DIGITAL CONVERGENCE
• Over time more and more features are
being brought together and incorporated
into more and more devices.
• This is called digital convergence.
• This is blurring the traditional definitions of
what a computer is…
• A modern term is “Internet enabled devices”

5. PERSONAL COMPUTER/DESKTOP (1960S-)

6. MAINFRAME COMPUTER (1960S-)

7. LAPTOP (1970S-)

8. PALMTOP (1980S)

9. NETBOOKS (LATE 2000S)

10. PERSONAL DIGITAL ASSISTANT
(1980S-1990S)
• Now obsolete because of Smartphones
The Palm 1996

11. TABLET PC (1990S-EARLY 2000S)
HP Compaq tablet 2000

12. TABLETS - IPAD 2010
Apple iPad 2010

13. SMARTPHONE (1997-)

14. MOBILE DEVICES
Samsung Galaxy Note 2013

15. GAMING CONSOLES