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ITEC 110 Ch. 7
Chapter 7
50
Internet/New Media
Undergraduate 3
05/06/2013
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Term
Every computer game, program, picture, or sound is stored in the computer as a series of decimal digits.
 Definition
F
Term
Negative powers are used to represent the fractional portion of numbers.
 Definition
T
Term
The hexadecimal numbering system has seventeen unique digits.
 Definition
F
Term
The hexidecimal numbering system uses letters to represent digits beyond nine.
 Definition
T
Term
The term radix is synonymous with positional value.
 Definition
F
Term
For any quantity, there's a number in any base to represent it.
 Definition
T
Term
A counting table can be used to convert numbers from one base to another.
 Definition
T
Term
Adding numbers in other bases follows nearly the same steps as in decimal numbers.
 Definition
T
Term
The difference between adding numbers in base 10 and any other base lies in the carry process.
 Definition
T
Term
You cannot multiply or divide by any base.
 Definition
F
Term
Half of a byte is sometimes referred to as a nibble.
 Definition
T
Term
Computer scientists sometimes use hexadecimal as a shorthand method for representing binary values.
 Definition
T
Term
Whole numbers are sometimes but not always stored in a fixed number of bits.
 Definition
F
Term
Whole numbers, or integer numbers, can be represented internally in a computer as hexadecimal numbers.
 Definition
F
Term
Signed and unsigned numbers in a computer are designed to always take up a different number of bits.
 Definition
F
Term
Negative fractional numbers cannot be internally represented in a computer.
 Definition
F
Term
The Unicode character standard is compatible with the extended ASCII standard.
 Definition
T
Term
The Unicode method of character representation is fast becoming obsolete.
 Definition
F
Term
The number of pixels in each row and column defines a display device's resolution.
 Definition
T
Term
A common resolution on a PC monitor is 1024 x 768, which means the monitor is displaying 1024 rows with 768 dots, or pixels, in each row.
 Definition
F
Term
As the resolution numbers get larger for a monitor, the size of each pixel gets larger.
 Definition
F
Term
Sounds are stored in the computer in a manner very similar to images.
 Definition
T
Term
The number of words used for each sound sample determines how many unique amplitude levels can be represented.
 Definition
F
Term
Raw audio samples are often stored in uncompressed file formats, such as WAV files.
 Definition
T
Term
It is not possible to learn to program or to manage a database without understanding binary and hexadecimal number systems.
 Definition
F
Term
Displays containing the contents of a computer's memory or the hard disk are often referred to as ___ memory dumps.
 Definition
hexadecimal
Term
The number 10-4 evaluates to ___.
 Definition
0.00001
Term
A ___ is identified by the number of digits a numbering system has, including the digit 0.
 Definition
base
Term
The concept of ___ value exists in all numbering bases.
 Definition
positional
Term
According to positional value, the binary number 10012  represents ___ things.
 Definition
9
Term
___ values are used to calculate how many of something a number represents.
 Definition
Positional
Term
A ___ value is calculated by raising the base to the power indicated by the position.
 Definition
positional
Term
The letters ___ are used in hexadecimal to represent numberic values above 9.
 Definition
A-F
Term
To use the Windows calculator to convert between hex, binary, and decimal make sure the calculator is in the ___ view.
 Definition
scientific
Term
A group of 8 bits considered as one unit is known as a ___.
 Definition
byte
Term
Each 1 and 0 (on and off) in a computer is referred to as a ___.
 Definition
bit
Term
Larger groups of bits (more than 8) are referred to as ___.
 Definition
words
Term
When separating these binary digits into groups of four, you must begin grouping on the ___.
 Definition
right
Term
When converting from hex to binary, each hexadecimal digit corresponds to a(n) ___-bit binary pattern.
 Definition
4
Term
___ complement is a method of representing negative numbers in a computer system.
 Definition
Twos
Term
To find the ___ of a given bit, flip it to the opposite state.
 Definition
complement
Term
In scientific notation, the method of displaying numbers uses a(n) ___ and an exponent.
 Definition
mantissa
Term
The eight bit extended ASCII (American Standard Code for Information Interchange) character set can be used to represent ___ characters.
 Definition
256
Term
A ___ is the smallest unit that can be displayed on a computer monitor.
 Definition
pixel
Term
Each pixel is stored in the computer as a(n) ___ pattern containing information about its color and brightness.
 Definition
binary
Term
Unicode character representation uses a(n) ___-bit standard.
 Definition
16
Term
JPG and GIF are examples of ___ image formats.
 Definition
compressed
Term
A sound consists of a waveform with amplitude (volume) and ___ (pitch).
 Definition
frequency
Term
The computer samples sounds at fixed intervals and each sample is assigned a binary value according to its ___.
 Definition
amplitude
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