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ITM 207 – Computer-Enabled Problem Solving MIDTERM EXAM study guide solution new update
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ITM 207 – Computer-Enabled Problem Solving MIDTERM EXAM study guide solution new update
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ITM 207 – Computer-EnabledProblem Solving MIDTERM
EXAM study guide solution new
update
, Data and computers - are multimedia devices, dealing with a vast array of info categories
store, present, and help us modify
- Numbers
Texts
Video/audio
All stored as binary digits (Bits)
Data compression - Reduction in the amount of space needed to store a piece of data or the
bandwidth to transmit it
Compression ratio - Size of compressed data divided by size of original data
lossless - data can be retrieved without any loss of the original information
Lossy Compression - some information is lost permanently in the process
analog data - A continuous representation of data, analogues to actual info it represents
digital data - A discrete representation, breaking the information up into separate elements
Binary representation of data - a type of data that is represented or displayed in the binary
numeral system; the only category of data that can be directly understood and executed by a
computer; numerically represented by a combination of zeros and ones
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