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Exam 2: Business Information

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Question 21

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_________ is a 16-bit code that is backward compatible with IRA / ASCII.

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Question 22

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The Joint Photographic Experts Group (JPEG)is a collaborative standards-making effort between ISO and ITU-T.

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Question 23

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Some of the International Reference Alphabet text code patterns represent invisible,nonprintable characters called __________.

The _________ (IRA)character set is the most common format for English language text files.

Standard voice telephone lines,such as those found in residences,limit bandwidth to:

_________ images are the most common type of image being transmitted over today's enterprise networks.

Nondigital __________ systems use a continuous range of values to represent Information.

When transmitting video information,compression ratios can range as high as 100:1 with little loss of perceived quality.

When _________ compression is used,irreversible changes are made to the original file that diminish the quality of the original audio stream when the receiver decompresses the file.

Which of the following represents the most basic unit of digital information?

Which of the following represents a digital form of information?

PBX and Centrex systems provide similar functionality from the users point-of-view.

Historically,the most commonly used text code is the __________,in which each character in this code is represented by a unique 7-bit pattern.

_________ screens use thin sandwiches of glass containing a liquid-crystal material to display images.

The number of different characters that can be represented in the International Reference Alphabet text code is:

_________ is a subjective measure of the user's perception of the overall value of the network application or service.

Services transmitting video information use a series of vector images to represent moving images.

________ files contain very little formatting and do not support formatting such as boldface,italics,or underline.

________ is a page-description language that is built into many desktop printers and virtually all high-end printing systems.

Voice communication can only be done using an analog signal.