NursInformatics Chapter 3

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Author:
NurseNatalie
ID:
42535
Filename:
NursInformatics Chapter 3
Updated:
2010-10-16 11:52:29
Tags:
drexel dumb friggen bs class
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Description:
Chapter 3...continuing on with the constant bs
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  1. Bit
    the smallest possible chuck of data memory used in computer processing, exhibited as either a 1 or a 0, making up the binary system of the computer.
  2. Bus
    Subsystem that transfers data between a computer's internal components or between computers
  3. Byte
    a chunk of memory that consists of eight bits, and is considered to be the best way to indicate computer memory or storage capacity.
  4. Cache Memory
    • Smaller and faster memory storage used by the central processing unit (CPU) to store copies
    • of frequently used data in main memory.
  5. What is the difference between a CD-R and a CD-RW
    They are both compact disc but the CD-R is only able to be recorded once, where as the CD-RW is rewriteable.
  6. CPU
    • Central Processing Unit
    • thought of as the brains, controlling the functioning of the computer
  7. What are some examples of communication software?
    • Instant Messaging
    • VOIP (Voice over IP)
  8. Conferencing Software
    Electronic communications system or software that supports and facilitates two or more people meeting for discussion. One of the high-end systems offer telepresence
  9. Dynamic Random Access Memory
    • DRAM: -
    • type of RAM chip requiring less space to store same amount
  10. How is speed of the CPU measured
    Origionally in megahertz.... now it is more commonly measured in gigahertz

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