tle

• 3 types of computers

  A) analog

  B) digital

  C) hybrid

  
• ANALOG COMPUTERS - perform several mathematical operating simultaneously - continuous variable
• example of analog computers : thermometer, speedometer, analog clock, seismometer
• Abacus - first computer
• DIGITAL COMPUTER - operate on 2 states namely bits 0 and 1
• DIGITAL COMPUTER - suitable for complex computation
• HYBRID COMPUTER - combination of both analog and digital
• examples of fuel vending machine, ultrasound or monotoring machine etc
• MAINFRAME COMPUTERS - large organizations use mainframes for highly applications such as bulk data processing and enterprise resource planning
• SUPER COMPUTERS - the highly computation intensive tasks
• SUPER COMPUTERS - quantum physics, weather forecasting, molecular theory
• SERVERS - designed to provide services to client machines in a computer network
• MINI COMPUTERS - in terms of size and capacity, they lie in between mainframe and microcomputers
• MINI COMPUTERS - are also called mid-range systems or work stations
• MICRO COMPUTERS - a computer witha microprocessor and its central processing until it is known as a microcomputer
• EXAMPLES OF PERSONAL COMPUTER

  A) desktop

  B) netbooks

  
• DESKTOP - are widely popular for daily use in the workplace and household
• NETBOOKS - they fall in the category of laptops but are inexpensive
• PESONAL OR DIGITAL ASSISTANTS (PDAs) - is a handheld computer
• WEARABLE COMPUTERS - These computers can be worn on the body and we often used in the study or behavior modelling and human health.
• WEARABLE COMPUTERS - are great help in tracking human actions.
• true or false? TRUE When supplemented with a keyboard and a mouse, microcomputers can be called personal computers.
• CD Roms are used to distribute softwares, video games and other data that does not need to be updated
• These can be used to connect in almost any type of device, including mice, keyboard, printers and digital cameras