Final Exam, Microsoft Access 2016 Review Final 2
Major Functions of a Computer ** Answ** input, process, output, storage
Binary Language ** Answ** basic form of computer language
Bits ** Answ** A single binary digit (0 or 1)
One Byte ** Answ** eight bits
KB ** Answ** 1000 bytes
MB ** Answ** around 1 million bytes
TB ** Answ** around 1 trillion bytes
PB ** Answ** 1 quadrillion bytes (1000 TB)
Motherboard ** Answ** The main circuit board that contains the central electronic
components of the computer
Peripheral Device ** Answ** a component, such as a mouse or keyboard that connects to the
computer through a data port
Function Key ** Answ** shortcut key to perform special tasks in software
control key ** Answ** used with other keys to perform shortcuts
,toggle key ** Answ** keys whose functions change within two options
pixel ** Answ** monitor screens are grids made up of millions of tiny dots
screen resolution ** Answ** The number of pixels on the screen
contrast ratio ** Answ** Difference in light intensity between the brightest white and the
darkest black a monitor can produce
volatile storage ** Answ** The entire contents of this type of memory are erased when you
turn off the computer
nonvolatile storage ** Answ** Storage which persists when the computer is powered off
examples of volatile storage ** Answ** RAM
examples of non-volatile storage ** Answ** ROM, HDD, flash drive, flash memory card
Hz ** Answ** A measurement of machine cycles per second that is also used to measure
processor speed
Measured in Hz, MHz, and GHz ** Answ** Clockspeed
Port ** Answ** A place through which a peripheral device attaches to the computer so that
data can be exchanged between them
NIC ** Answ** Expansion card on the motherboard that provides a means for network and
Internet connections
SSD ** Answ** The type of hard drive that has no moving part, so they are more efficient,
run with no noise, emit little heat, and require little power
,Optical Storage ** Answ** In this storage data are saved as tiny bits that are burned into the
disc by high speed laser
HTTP ** Answ** is the protocol allowing files and other information to be transferred from
a web server to a web client.
FTP ** Answ** protocol used by an application that is mainly used to transfer files from one
computer to another
URL ** Answ** is the unique address of website
Web browser ** Answ** is the software that allows the users to display and interact with
text and other media on the web
web server ** Answ** is a computer in the Internet that can receive request for data, and
return the requested data to the one requesting the data.
web client ** Answ** is a computer in the Internet that can ask for data.
IP address ** Answ** The address used by routers to send information between two
networks. Address used by nodes in two different networks to communicate
secure socket layer ** Answ** s stands for this, make sure that you buy from websites that
the http ends in an s
domain name ** Answ** part of URL that consists of two parts: the sites host and a suffix
that indicates the type of organization that owns the domain name
top level domain ** Answ** in www.udel.edu what is udel.edu
, b2b ** Answ** type of e-commerce that facilitates transactions between business
organizations
b2c ** Answ** type of e-commerce that facilitates transactions between business
organizations and individual consumers
c2c ** Answ** type of e-commerce that facilitates transactions between individual
consumers
application software ** Answ** The set of programs on a computer that helps a user carry
out tasks such as word processing, sending e-mail, balancing a budget, creating presentations,
editing photos, taking an online course, and playing games.
system software ** Answ** The set of programs that enables a computer's hardware devices
and application software to work together; it includes the Operating System (OS) and utility
programs.
proprietary software ** Answ** Custom Software application that is owned and controlled
by the company that created it.
open source software ** Answ** Program code made publicly available for free; it can be
copied, distributed, or changed without the stringent copyright protections of proprietary
software products.
SaaS ** Answ** Software that is delivered on demand over the Internet.
Web based applications ** Answ** run from software stored completely on a web server
instead of the traditional model that requires software to be purchased and installed on individual
machines