Audio engineers compress music through techniques called perceptual noise shaping, or ____________________.?
Fill in the blank(s) with the appropriate word(s).
perceptual encoding
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The zmore tcsh.man.gz command in the following session is used to display the tcsh.man file. You can use the zcat tcsh.man.gz command to do the same, except that the uncompressed file will be displayed in one shot (instead of one screenful at a time as in case of the zmore command).
What will be an ideal response?
You have decided that you will design a title so that it looks good in any screen resolution from 640x480 to 1024x768. You want the heading to be dramatic, which you have decided means as big as possible without it breaking into two lines on a small screen. The title is “Typography is Fun!” Create a Web page with several versions of the title, each using a different typeface. Use at least different three different typefaces. For each version, specify the typeface and size for the font. Note: there is no unique “correct” answer. Restrict yourself to the typefaces described in this chapter.
The design specifications said that the title shouldn’t break into two lines when seen on a 640x480 monitor, so the first thing to do is to determine the minimum width. For the following example, the width is 540 pixels, but it’s okay if the width is a little wider. The main thrust is to create titles that all have the same width, and the point of the exercise is that fonts having different typefaces but identical point size will take up varying horizontal space due to the face that a point size specifies a vertical measure, not a horizontal one.
Access provides tools you can use to manipulate data in the database and they are contained in the ___________.
A. Navigation Pane B. Manipulation Pane C. Navigation Toolbar D. HOME tab
In a system using public-key cryptography, site B wants to fool C by impersonating A. B waits until A requests to communicate with B. A does this by sending an “I want to communicate” message to B, stating its name (A) and encrypted with B’s public key. Then B springs the trap. It sends an “I want to communicate” message to C claiming it is A and encrypted with C’s public key. To ensure that it is actually communicating with A, C replies (to B) with a message obtained by encrypting a large random number, N , w ith A’s public key. If C gets a response containing N + 1 encrypted with C’s public key, it would like to conclude that the responder is A because only A could have decrypted C’s message. C gets such a response. However, this conclusion is wrong because the
response comes from B. Explain howthis could have happened. (Hint: The protocol can be corrected if the encrypted text of each message includes the name of the sender.) What will be an ideal response?