Graded A+
.avi - Answers A video file extension produced by Microsoft. It is less compressed than the .mp4 format
which results in a larger file size.
.doc - Answers An older pre-2007 version of the Microsoft Word file extension. It keeps formatting
styles, objects, and other document settings in place.
.docx - Answers A Microsoft Word file extension used to maintain the integrity of a Word document's
styles, text, and overall settings.
.exe - Answers The file extension associated with an executable program file generated for the Windows
or DOS operating systems. It can extract its files and save them to another specific location.
.jpg - Answers A compressed image format used to store digital photographs which supports up to 4-bit
color.
.mp3 - Answers A compressed audio format created by the Moving Picture Experts Group. It is used to
store music files and audio books on hard drives.
.mp4 - Answers A movie or video extension which uses MPEG-4 compression. It is used to distribute
video via the Internet.
.pdf - Answers A universal file extension developed by Adobe Acrobat. It is used in any application that
supports Adobe Acrobat.
.swf - Answers A file extension used in Adobe Flash. It contains text, audio, and video as well as vector or
raster-based graphics.
.tif - Answers A high-quality image or graphic format used to store picture images.
.txt - Answers A plain text file extension which uses a basic character set and does not contain any
objects or formatting of any kind.
.wav - Answers A standard file extension used for digital audio. It allows audio recordings to be saved
with a special sampling of rates and bit rates.
.xls - Answers An older, pre-2007 version of the Microsoft Excel file extension. It is used to maintain the
style format of an Excel spreadsheet.
.xslx - Answers A Microsoft Excel file extension which is used to uphold the style format of an Excel
spreadsheet.
.zip - Answers A file extension which indicates a file or folder has been compressed to reduce overall file
size and save space.
, Android - Answers An operating system which is used for smartphones and tablet computers.
Antivirus Application - Answers A type of software designed to detect and destroy computer viruses.
Bandwidth - Answers The range of frequencies used to establish an RF link.
Browser History - Answers A list of websites an individual has visited recently. This includes any data
associated with the website and how long the user was on the website.
Cache - Answers A form of memory which refers to a temporary storage area on a hard drive disk that
holds the most recently downloaded websites.
Cellular Data - Answers A cellular service separate from calling that is used to view email, web pages,
and download apps.
Cellular Network - Answers A wireless network which uses cell towers to transfer information.
Check Box - Answers A computing option which is a small box that when selected indicates that a
particular feature has been enabled.
Cloud Access - Answers The act of using a cloud services like Gmail, OneDrive, or Workfront.
Cloud Storage - Answers A server-based storage system used to back up data on a local machine. It can
be accessed anywhere there is an Internet connection. It can be used to share data, collaborate with
others, and synchronize data on multiple machines.
Cookie - Answers A small piece of text-based information stored on a user's computer that expires after
a specified amount of time. Cookies are commonly used for authentication, or site preferences.
Driver - Answers Software which tells hardware how to run.
Drop-Down Menu - Answers A menu that drops from the menu bar when requested and remains open
without further action until the user closes it or chooses a menu item.
Ethernet - Answers A connection type used to connect a computer to a network with an RJ-45
connector.
Firewall - Answers A security system consisting of a combination of hardware and software that limits
the exposure of a computer or computer network to attack from crackers; commonly used on local area
networks that are connected to the Internet.
Firmware - Answers Software that is stored in ROM, which remains intact in the absence of power.
Generally, low-level input/output operations and startup programs are stored using firmware. Firmware
is used to help hardware and software communicate with each other.
HDMI - Answers High-Definition Multimedia Interface (HDMI) is a high-quality audio/video connection
system used to transmit digital data components.