Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
Displays containing the contents of a computer’s memory or the hard disk are
often referred to as ____ memory dumps. a. | error | c. | decimal | b. | hexadecimal | d. | octal | | | | |
|
|
|
2.
|
The
number 10-4 evaluates to which of the following? a. | 0.000001 | c. | 0.0001 | b. | 0.00001 | d. | 10000 | | | | |
|
|
|
3.
|
A
____ is identified by the number of digits a numbering system has, including zero. a. | root | c. | determinant | b. | discriminant | d. | base | | | | |
|
|
|
4.
|
The
concept of ____ value is common to all modern numbering systems. a. | positional | c. | deterministic | b. | radical | d. | random | | | | |
|
|
|
5.
|
According to positional value, the binary number 101012 represents
____ things.
|
|
|
6.
|
The
hexadecimal numbering system runs out of digits after ____.
|
|
|
7.
|
The
decimal equivalent of 10016 is ____.
|
|
|
8.
|
What
is the result of converting the decimal number 25 to a base 16 equivalent?
|
|
|
9.
|
What
is the result of converting the decimal number 25 to a base 2 equivalent?
a. | 100012 | c. | 110012 | b. | 100112 | d. | 111012 | | | | |
|
|
|
10.
|
A
____ is a basic unit of storage that can have a value of either 1 or 0 (on or off). a. | nibble | c. | byte | b. | word | d. | bit | | | | |
|
|
|
11.
|
A
____ is a group of eight bits. a. | byte | c. | nibble | b. | word | d. | blip | | | | |
|
|
|
12.
|
An
8-nibble word is more likely to be referred to as the equivalent ____-byte word.
|
|
|
13.
|
Each
hexadecimal digit relates directly to a ____-bit binary pattern.
|
|
|
14.
|
Which
of the following methods represents the most common way of storing signed numbers? a. | one’s
complement | c. | integer
complement | b. | binary complement | d. | two’s complement | | | | |
|
|
|
15.
|
To
find the ____ of a given bit, flip it to the opposite state. a. | root | c. | position | b. | complement | d. | sign | | | | |
|
|
|
16.
|
In
scientific notation, the method of displaying numbers uses a(n) ____ and an
exponent. a. | mantissa | c. | abscissa | b. | asymptote | d. | ordinate | | | | |
|
|
|
17.
|
The
eight bit extended ASCII (American Standard Code for Information Interchange) character set can be
used to represent ____ characters.
|
|
|
18.
|
A
____ is the smallest unit that can be displayed on a computer monitor. a. | micron | c. | twip | b. | picon | d. | pixel | | | | |
|
|
|
19.
|
____
patterns contain information about the color and brightness of a pixel. a. | Binary | c. | Decimal | b. | Octal | d. | Hexadecimal | | | | |
|
|
|
20.
|
Unicode character representation uses a(n) ____ bit standard.
|
|
|
21.
|
Various ____ techniques have been designed to allow the same image information to be
stored in a smaller file. a. | consolidation | c. | scanning | b. | compression | d. | resolution | | | | |
|
|
|
22.
|
A
sound consists of a waveform that has amplitude (volume) and a ____ (pitch). a. | frequency | c. | phase
angle | b. | phase shift | d. | period | | | | |
|
|
|
23.
|
The
computer samples sound at fixed intervals and each sample is assigned a binary value according to its
____. a. | frequency | c. | amplitude | b. | period | d. | pitch | | | | |
|
|
|
24.
|
Which
of the following is an example of a video compression format?
|