Unit 8: Vocabulary

Please study the 21 vocabulary below and press the 'Mark Complete' button.
US
UK
acronym
an abbreviation; a way of writing a longer string of words more concisely
US
UK
IT is an acronym for Information Technology.
US
UK
bandwidth
a measurement of the capacity of data which can be moved between two points in a given period of time
US
UK
The website performed very poorly because it was graphically heavy and required more bandwidth than was available.
US
UK
benchmark
a measurement or standard that serves as a point of reference by which process performance is measured
US
UK
The magazine article used PCMark 7 scores as a benchmark for computer performance.
US
UK
bit (binary digit)
the smallest unit of storage; normally referred to as a '1' or '0'
US
UK
The DBA "flipped a bit" in the database, changing a value from a 0 to 1.
US
UK
byte (binary term)
8 bits
US
UK
One byte of data is enough memory to hold a single ASCII character.
US
UK
fault tolerance
The ability of a system component to fail without causing the entire system to shut down; this is often accomplished with redundancy
US
UK
Due to low fault tolerances in the new gaming console's GPU, the manufacturer had to issue a total recall.
US
UK
FLOPS (floating point operations per second)
a common measurement of computer speed dealing with decimal calculations in a given amount of time
US
UK
The more FLOPS a computer can do, the faster it is.
US
UK
frequency
the number of cycles per unit time of a sound wave, most often measured in hertz
US
UK
The new processor ran at much higher frequency than the one it replaced, going from 1.8 GHZ up to 4 GHZ.
US
UK
G (giga)
one billion
US
UK
The word giga originally comes from the Greek word for 'giant'.
UK
US
GB (gigabyte)
one billion bytes
UK
US
Modern hard drives can store 500 gigabytes of data or more.
UK
US
GHz (gigahertz)
one billion hertz
UK
US
How long will it be before the first 5-gigahertz processors become affordable?
US
UK
Hz (hertz)
an internationally used frequency unit; equals one cycle per second
US
UK
A human being can hear sound waves from 20Hz to 20,000Hz.
US
UK
IPS (instructions per second)
an very raw measurement of computer processor speed
US
UK
IPS is a base measurement of computer speed often expressed in millions (MIPS).
US
UK
K (kilo)
one thousand
US
UK
A kilobyte is 1024 bytes.
UK
US
logarithm
the power to which a number is raised -- the exponent Example: log 10^2 = 2
UK
US
Logarithms are used in many areas of science and engineering including computer science and geology.
US
UK
M (mega)
one million
US
UK
One megabyte is 1,048,576 bytes.
US
UK
ยต (micro)
one millionth
US
UK
Although micro means "one-millionth", many people use it to express simply "a great deal of smallness."
US
UK
m (milli)
a prefix meaning one thousandth
US
UK
One millitesla is one-thousandth of a tesla.
US
UK
n (nano)
one billionth
US
UK
The teacher said the word "nano" can also be used for anything very small, such as nanotechnology.
UK
US
order of magnitude
10 times bigger or smaller
UK
US
Computer processing power can increase by an order of magnitude between generations.
US
UK
T (tera)
one trillion
US
UK
There are 1,099,511,627,776 bytes in a terabyte.
Go to unit menu