THE EVOLUTION OF COMPUTERS

• Abacus (2600 BC)
• Adding machine (1642)
• Slide Rule (1700)
• Difference Engine (1821 AD)
• Analythical Engine (1833 AD)

RANGE OF COMPUTER ABILITY

• Personal Digital Assistants (PDAs)
• Laptop Computer and PCs
• Workstations
• Mainframe computers

COMPUTER SYSTEMS

• The Operating System
• Computer memory
• The Bus
• Input Devices
• The central processing unit
• Output Devices

COMPUTER LANGUAGES

• Mechanical Language
• Assemble Language
• High-Level Languages
• Object-Oriented Programming Languages