IT Unit 8: Vocabulary

To pass this unit, please study the 15 vocabulary words below.
bandwidth
a measure of the capacity of data that can be moved between two points in a given period of time
The website performed very poorly because it was graphically heavy and required more bandwidth than was available.
benchmark
a measurement or standard that serves as a point of reference by which process performance is measured
The magazine article used PCMark 7 scores as a benchmark for computer performance.
bit (binary digit)
the smallest unit of storage; normally referred to as a '1' or '0'
The DBA "flipped a bit" in the database, changing a value from a 0 to 1.
byte (binary term)
8 bits
One byte of data is enough memory to hold a single ASCII character.
bps (bits per second)
a common measurement of data transmission throughput
Modern Internet connection speeds are no longer measured in bps, but in Mbps.
FLOPS (floating point operations per second)
a common measurement of computer speed dealing with decimal calculations in a given amount of time
The more FLOPS a computer can do, the faster it is.
giga
one billion
The word giga originally comes from the Greek word for 'giant'.
Hz (hertz)
an internationally used frequency unit; equals one cycle per second
A human being can hear sound waves from 20Hz to 20,000Hz.
IPS (instructions per second)
an very raw measurement of computer processor speed
IPS is a base measurement of computer speed often expressed in millions (MIPS).
K (kilo)
one thousand
A kilobyte is 1024 bytes.
M (mega)
one million
One megabyte is 1,048,576 bytes.
micro
one millionth
Although micro means "one-millionth", many people use it to express simply "a great deal of smallness."
milli
a prefix meaning one thousandth
One millitesla is one-thousandth of a tesla.
nano
one billionth
The teacher said the word "nano" can also be used for anything very small, such as nanotechnology.
T (tera)
one trillion
There are 1,099,511,627,776 bytes in a terabyte.
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