Binary Digit or Bit
1 or 0 - Computers use this to represent information.
larger than cell phone - has many apps and access the Internet
Central Processing Unit - brains of the computer
Random Access Memory - programs and files currently in use are stored here. When power is off, lose the info.
Read Only Memory - contains your start up information. This is permanent.
Software for a specific task - IE, i-tunes, etc.
Operating System, drivers, disk defrag, etc.
Get information from the user - keyboard & mouse
Show results from computing - monitor, speakers, printer
Main part of the computer that connects the cpu, memory, and all devices
physical components of the computer
Processing power doubles every 18 months
network server or server
computer used for sharing resources
processes data most quickly - used for weather forecasting, military, scientific uses, etc.
computer that serves many different computers
examples of software
microsoft office, norton antivirus, etc.
8 bits = 1 byte
how to maintain your computer
1. keep secure 2.avoid heat, cold, liquids, magnets
3. surge protector 4. back up data 5. disk defrag
6. anti-virus and spyware software
what are the powers of 2 you right under the binary number
512 256 128 64 32 16 8 4 2 1