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- Multiple ChoicePlease save your changes before editing any questions.
Which number system uses "1" and "0" to represent "true" and "false", respectively?
binary
decimal
hexadecimal
ASCII
- Multiple ChoicePlease save your changes before editing any questions.
Which number system has ten possible values, 0 through 9, for a single digit?
binary
decimal
hexadecimal
ASCII
- Multiple ChoicePlease save your changes before editing any questions.
The decimal system is also known as ___
base-two notation
base-ten notation
base-sixteen notation
ASCII
- Multiple ChoicePlease save your changes before editing any questions.
The binary number 101, when converted to base-10 is ___
2
5
10
11
- Multiple ChoicePlease save your changes before editing any questions.
The binary number 100111, when converted to base-10 is ___
4
23
39
43
- Multiple ChoicePlease save your changes before editing any questions.
The binary number 101010, when converted to base-10 is ___
28
30
36
42
- Multiple ChoicePlease save your changes before editing any questions.
When adding 1 + 1 in binary, you need to ___
use the symbol 2
put 0 as the sum and carry the 1
put 1 as the sum and carry the 1
put 1 as the sum and carry the 0
- Multiple ChoicePlease save your changes before editing any questions.
Each of the binary digits 1 or 0 is called ___
a bit
a byte
a base-ten digit
a pixel
- Multiple ChoicePlease save your changes before editing any questions.
For 8-bit numbers, the lowest value is 0 and highest value is ___
127
128
255
256
- Multiple ChoicePlease save your changes before editing any questions.
How many different colors can be displayed by an 8-bit game?
8
64
256
16,777,216
- Multiple ChoicePlease save your changes before editing any questions.
A unit of digital information that consists of eight bits is called ___
an octobit
a byte
a nibble
a chunk
- Multiple ChoicePlease save your changes before editing any questions.
The metric prefix for a million is mega (M). What is the prefix for a billion?
beca (B)
kilo (k)
giga (G)
tera (T)
- Multiple ChoicePlease save your changes before editing any questions.
How many bits are required to represent numbers as large as the US national debt?
8 bits
16 bits
32 bits
64 bits
- Multiple ChoicePlease save your changes before editing any questions.
For data storage and retrieval, computers must label locations in their memory known as ___
bit locations
addresses
ZIP codes
box numbers
- Multiple ChoicePlease save your changes before editing any questions.
Numbers that are not whole numbers, like 12.7 and 3.14, are called ___
decimal numbers
floating-point numbers
hexadecimal numbers
irrational numbers
- Multiple ChoicePlease save your changes before editing any questions.
In the IEEE 754 standard, the part of the number consisting of its significant digits is called ___
the body
the significand
the exponent
the root
- Multiple ChoicePlease save your changes before editing any questions.
In a 32-bit floating-point number, what is the first bit is used for?
the address of the number
the sign of the number
the parity check
the decimal location
- Multiple ChoicePlease save your changes before editing any questions.
In the 1600s, which English writer used 5-bit sequences to encode the alphabet?
Jane Austen
Charles Dickens
William Shakespeare
Francis Bacon
- Multiple ChoicePlease save your changes before editing any questions.
Which 7-bit code, invented in 1963, was developed to represent characters?
binary
hexadecimal
ASCII
Unicode
- Multiple ChoicePlease save your changes before editing any questions.
The ability of computer systems to universally exchange information is called ___
cross-platforming
interoperability
linguistics
universal translating
- Multiple ChoicePlease save your changes before editing any questions.
What was the major limitation of the 7-bit ASCII system?
it could only store 64 values
it was only designed for English
it didn't include capital letters
it didn't include punctuation
- Multiple ChoicePlease save your changes before editing any questions.
ASCII was expanded to 8 bits, allowing codes 128-255 to be used for ___
punctuation
national characters
upper case letters
numbers 0-9
- Multiple ChoicePlease save your changes before editing any questions.
What encoding scheme, devised in 1992, was developed to include many languages?
7-bit ASCII
8-bit ASCII
16-bit Unicode
32-bit Windows OS
- Multiple ChoicePlease save your changes before editing any questions.
The acronym ASCII stands for ___
Accepted Simplified Characters for Information Interchange
Accepted Standard Code for Intelligent Interoperability
American Simplified Characters for Intelligent Interoperability
American Standard Code for Information Interchange