Exam 2: Business Information

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

Which of the following represents a digital form of information?

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

Voice communication can only be done using an analog signal.

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

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