NursInformatics Chapter 3

  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
Card Set
NursInformatics Chapter 3
Chapter 3...continuing on with the constant bs