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Essential Introduction to Computers
an electronic device, operating under the control of instructions stored in its own memory
computer users (end users or users)
people who use the computer directly or used the information it provides
Six primary components of a computer
*out put devices
any hardware component that allows you to enter data, programs, commands, & user responses in computer
small metal or plastic device that looks like a ball point pen but uses pressure instead of ink
what does the mouse control?
the movement of the pointer
a case that contains electronic components of the computer used to process data
motherboard (system board)
contains processors, memory, & expansion slots
the processor (central processing unit or CPU) interprets and carries out the ___.
basic informations that operate a computer
Ex: Intel & AMD
memory (random access memory or RAM) consists of __.
electronic components that temporally stores instructions that operate your computer.
make the informations resulting from process available for use
two commonly used output devices are
printers and display devices/monitors
More Exs: Speakers / headphones
portable storage medium
you can remove the medium from one computer to another computer
a duplicate of file, programs, or disk, that you can use in case the original is lost, damaged, or destroyed
a portable storage medium that consists of a flat, round, portable disc made of metal, plastic, & lacquer that is written & read by using a low-pressured beam
miniature mobile storage media
rewritable media usually in the form of a flash memory card, USB flash drive or a smart card
USB flash drive (or pen or thumb drive)
a flash memory device that plugs into USB port. The most common portable storage media of choice today
two types of software
system software and application software
operating system tells the computer how __.
to perform the functions of loading, storing, & executing and application
each icon represents __.
an application such as Word Processor, or a file or document where date is stored.
applications software consists of
programs designed to make users more productive &/or assist with personal task
used to create, edit, format, or print document
used to add, subtract, & perform calculation on rows & columns of numbers
used to enter, retrieve, & update data in an organized & efficient manner
used to create slideshows for use in a presentation to a group
local area network (LAN)
a network that connects computers in a limited geographic are
wide area network
a network that covers a large geographical area, such as, that connects the district office of a national corporation
reasons more than 1 billion people use the internet
*communicating with & meeting other people
*accessing a wealth of information, news, & research
*shopping for goods & service
*accessing sources of entertainment & leisure
*can contains text graphic audio & video.
*has built in links to other web documents
related - collection of webpages
software program used to access & view web pages
A web page has a unique address, called _____, which consists of protocol, domain name, sometimes a path, and the page name
URL (Uniform Resource Locator)
http:// stands for
Hypertext Transfer Protocol
a word formed from the initial letters or groups of letters of words in a set phrase or series of words
Ex: AOL - Academy of Our Lady
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