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