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Unformatted text preview: Megapixel-Every camera is measured in megapixels. 3 MP= 5 X 7. 8 MP= 8 X 10 RFID-Radio Frequency Identification-can track people and things RFID Components-RFID Tags, RFID Readers, tracking bee hives system Passive vs. Active Tags- Passive- usually less than 3 meters/ no battery power. Active- Battery Powered. Range is greater than 100 meters Types of RFID Chips-Lossy Compression- take all frequencies humans cant hear and throw them away Conversion of WAV file length to Bytes-Minutes to seconds. Multiply by 441100. Multiply by 2. Multiply by 2. Bits and Bytes-Bit- the smallest unit of data a computer can process. Byte- Eight bytes that are grouped together as a unit. A byte provides enough combinations to represent 256 individual characters Decimal vs. Binary ASCII vs. UNICODE-ASCII- way of representing in binary. Got replaced by UNICODE because it is universal character set....
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- Fall '08