CR-DR Flashcards
(PACS)
picture archiving and communication system
digital image stored in a computer is rectangular in format and made up of small squares called
PIXEL
Each pixel contains a series of
1s and 0s
is the transfer of images and patient reports to remote sites.
Teleradiology
the transfer of data from a sender to a receiver across a distance.
Communications/telecommunications
consists of devices that translate computer information into a form that humans can understand.
Output hardware
converts data into a form the computer can use.
Input hardware
an archival form of memory (compact disc, flash drive, hard disc drives).
Storage
contains information supplied by the manufacturer, called firmware, that cannot be written on or erased.
Read-only memory (ROM) –
data can be stored or accessed at random from anywhere in main memory in approximately equal amounts of time regardless of where the data are located
Random access memory (RAM)
the working storage of a computer.
Main memory –
the primary element
that allows the computer to manipulate data and carry
out software instructions.
Central processing unit (CPU) –
These two components
and all other components are connected by an
electrical conductor called a
bus
consists of programs that make it easy for the user to operate a computer to its best advantage.
Systems software
are those written in a higher level language expressly to carry out some user function.
Application programs
sequence of instructions developed by a software programmer.
Computer programs
a single binary digit, 0 or 1.
Bit/s –