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SERIES GLOSSARY
OF KEY TERMS
application:
A program that runs on a computer or smartphone. People
often call these “apps.”
bug:
A problem with how a program runs.
byte:
A unit of information stored on a computer. One byte is equal to
eight digits of binary code—that’s eight 1s or 0s.
cloud:
Data and apps that are stored on the Internet instead of on your
own computer or smartphone are said to be “in the cloud.”
data:
Information stored on a computer.
debug:
Find the problems with an app or program and fix them.
device:
Your computer, smartphone, or other piece of technology. De-
vices can often access the Internet and run apps.
digital:
Having to do with computers or stored on a computer.
hardware:
The physical part of a computer. The hardware is made up
of the parts you can see and touch.
memory:
Somewhere that a computer stores information that it is using.
media:
Short for multimedia, it’s the entertainment or information that
can be stored on a computer. Examples of media include music, vid-
eos, and e-books.