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Information Services
– Process in which flow is divided into very small . Flow is volume/time – end result is volume.
- Device that provides reverse of integration. Flow is obtained from volume signals
Data Backup- Temporary , permanent patient files, storage
Data Interface – Allows for both access to and of equipment during testing
12 bit converters – used most for volume and flow measurements
Converter speed – important for tests that require signal changes like FVC
Software – contains instructions stored in memory of computer. Most software contains interpretation programs that utilize algorithims
Mass Storage Devices – Hard Drives, stores lots of info
CPU – Performs most functions in software
Resolution- change that can be measure by computer. Calculated via: Volume range (liters), Signal range (volts), A/D converter (bits)