Chapter 8
the pandA system
is binary
GIF encoding
is loss-less encoding
Digitizing sound
uses bits to represent both positive and negative values
The digital versatile disc (DVD
uses bumps(which appear as pits on the bottom side) to encode the information
The Decimal number 174 is equivalent to the binary number.
1010 1110
using a scanned black and white Photo, suppose the subpixels of one pixel had values 195 if the image's pixels should all be nearer intense white keeping their relative relationships , the subpixels of the given could be changed to values of
212..212...212
The Hawaiian alphabet has 18 symbols. how bits are needed to represent just these symbols
5
The binary number 101 represents the decimal number
5
the original version of ASCII used
7-bit code
What does ASCII stand for
American Standard Code for Information interchange
a digitization guideline stating that the sampling frequency should exceed the signal frequency by at least two times is the
Nyquist rule
Extended ASCII code
Was developed in the U.S was adopted by IBM as the standard for character representation is now known as ISO-8859-1
A good analogy of memory in a computer is
a sidewalk with a single rock present or absent in each square
digitized sound can be
all of the above
Haptic Devices
are input/output technology for interacting with our sense of touch and feel