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24 questions
Which number system uses "1" and "0" to represent "true" and "false", respectively?
binary
decimal
hexadecimal
ASCII
Which number system has ten possible values, 0 through 9, for a single digit?
binary
decimal
hexadecimal
ASCII
The decimal system is also known as ___
base-two notation
base-ten notation
base-sixteen notation
ASCII
The binary number 101, when converted to base-10 is ___
2
5
10
11
The binary number 100111, when converted to base-10 is ___
4
23
39
43
The binary number 101010, when converted to base-10 is ___
28
30
36
42
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
Each of the binary digits 1 or 0 is called ___
a bit
a byte
a base-ten digit
a pixel
For 8-bit numbers, the lowest value is 0 and highest value is ___
127
128
255
256
How many different colors can be displayed by an 8-bit game?
8
64
256
16,777,216
A unit of digital information that consists of eight bits is called ___
an octobit
a byte
a nibble
a chunk
The metric prefix for a million is mega (M). What is the prefix for a billion?
beca (B)
kilo (k)
giga (G)
tera (T)
How many bits are required to represent numbers as large as the US national debt?
8 bits
16 bits
32 bits
64 bits
For data storage and retrieval, computers must label locations in their memory known as ___
bit locations
addresses
ZIP codes
box numbers
Numbers that are not whole numbers, like 12.7 and 3.14, are called ___
decimal numbers
floating-point numbers
hexadecimal numbers
irrational numbers
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
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
In the 1600s, which English writer used 5-bit sequences to encode the alphabet?
Jane Austen
Charles Dickens
William Shakespeare
Francis Bacon
Which 7-bit code, invented in 1963, was developed to represent characters?
binary
hexadecimal
ASCII
Unicode
The ability of computer systems to universally exchange information is called ___
cross-platforming
interoperability
linguistics
universal translating
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
ASCII was expanded to 8 bits, allowing codes 128-255 to be used for ___
punctuation
national characters
upper case letters
numbers 0-9
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
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
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