Quiz Challenge

Data Compression. Make sure you have studied hard and good luck!

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Compression and Multiplexing
	Your Name:
	1. Compression makes data ... Smaller Easier to transmit Cheaper to send All of these
	2. For compression to work, the two sites must have ... Matching compression Modems Digital lines Identical Computers
	3. Video compression transmits only ... Sound then Picture Changed Images Only All Images and Removes Sound Only Underlying Pixels
	4. When did video conferencing become viable? 1980's 1960's 1990's Early 1970's
	5. What is a Codec? A Secure Compression Methodology A Method of Compressing Voice Coder-Decoder A Method of Compressing Telephony
	6. The analog standard for television scan lines is ... 100 Lines 200 Lines 1,000 Lines 525 Lines
	7. The standard for HDTV scan lines is .. 525 Lines 750 Lines 1,125 Lines 5,000 Lines
	8. Which is the fastest transmission line? T-3 T-1 IDSN ATM
	9. Who would be a typical user of T-3 services? Internet Service Providers Local Area Network Single Remote Computer User At Home User
	10. Multiplexing can seperate signals by ... Time All of these. Space Frequency

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