Computer Systems

Computer Systems

1. Input

   • Keyboard- Allows the user to input text to the computer
   • Microphone- Allows a user to input sound into a computer.
   • Mouse- Allows the user to select something on the screen

2. Output

   • Speaker- Produces sound from the computer.
   • Monitor- Displays the output of the computer to the user.

3. Storage

   • Optical
     • Blu-ray
       • 25GB (sg) 50GB (dl)
     • DVD
       • Usually 4.7GB
     • CD
       • 700MB
     • HD-DVD
       • 15GB (SG) 30GB (DL)
     • LD (laserdisc)
   • Solid State
     • RAM (randon access memory)
     • eMMC
     • Flash Drive
     • CF Card
     • SD Card
     • Solid State Drive
   • Magnetic
     • Floppy Disk
     • HDD (Hard disk drive)
     • VHS Tape
     • Cassette Tape
     • SSHD
     • Betamax tape

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