1.1 Computer Hardware

1.1 Computer Hardware

1. Computer hardware is the physical parts or components of a computer.

   • monitor, keyboard, mouse, hard disk drive, computer data storage, graphics card, sound cards, memory(RAM), motherboard.

2. Input Devices

   • Enables the user to input data into the computer system.
     • Keyboard, mouse, microphone

3. Output Devices

   • Enables the user to recieve information from a computer.
     • printer, monitor, speakers

4. Storage Devices

5. Communication devices

   • Allows computer to send/recieve data to/from other computers
   • A modem sends information over a phone line.
     • Modems are slow and susceptible to problems such as phone line static.
   • A network card sends information over a network cable.
     • These can be used to hook up a computer to a local area network or to an Internet Service Provider via a cable modem or DSL

6. Integrated devices make portable devices simple to use

7. Improve customer service or supplier relationships through more effective  communication in businesses

8. Helps users with specific needs.

9. Can be expensive

10. processor speed, disk capacity, bandwidth

11. Voice recognition works poorly in noisy environments.