Business Technology Applications
Input Output Processing Storage
Parts of the computer that you can physically touch
The applications or instructions for the computer Cannot be touched or held Two types ◦ Operating System – Windows 7 ◦ Application – specific purpose like Word, Powerpoint, games and
Read Only Memory Gives the computer instructions about how to boot up Cannot be changed Cannot be added Long-term memory
Random Access Memory Can be added to a computer to improve performance This is where the things that you copy or cut are stored temporarily Empties upon shut down or log off Short-term memory
Central Processing Unit A chip inside the computer The brain
Largest circuit board in the computer All peripherals are plugged into the motherboard Controls or directs all actions of the computer Communication between hardware and software
A: and B: -- usually floppy drives (now obsolete) C: -- hard drive inside the computer; can only be accessed if sitting at that computer D: and E: -- usually designated as CD or DVD drives F:-Z: -- usually network drives on server U: -- the drive letter assigned to user folders
LAN ◦ Local Area Network ◦ Computers that are connected by wire or wireless connection server in the same building or area WAN ◦ Wide Area Network ◦ Computers that are far apart but connected and can communicate by wireless server or satellite ◦ Many LANs put together ◦ Internet is the largest
Go to “Computer” on the desktop and right click Go to the folder where you want to create a new one and choose New Folder Used to help organization of files
Your computer is connected to a server in the library. The server is connected to our district server at the Central Office. The Central Office server allows you to access other LANs and the Internet.
The computer decides where one line ends and another begins based on the margins set Do NOT press the Enter key at the end of every line; allow the computer to make the decision
Used within an organization Does not go through U.S. Mail Has four headings ◦ TO: ◦ FROM: ◦ DATE: ◦ SUBJECT:
Sent from an individual On plain paper Uses block style and open punctuation First item is the return address Uses ◦ Complaint letters ◦ Job Application letters ◦ Request for information letters
From an individual representing a business On Letterhead stationery Also uses block style and open punctuation First item is the date (return address is pre- printed on the letterhead)
Double spaced for easier reading and editing Should include a header or footer that uses automatic page numbering Usually requires a Works Cited page that lists your sources in alphabetically order Should use a hanging indent for each citation
The style of letters used Measured in points The smaller the point, the smaller the letter
How a computer sends information Each letter of the alphabet (and numbers) has a specific set of eight digits Series of ones and zeros
Graphical User Interface Allows users to use pictures (icons) to operate the computer
When you want to send the same letter to different addressees Cover letters when applying for numerous jobs
A set of defined keystrokes that you will use over and over should be set up as a macro We did one for your signature block on your letters
Hyper – fast Link – to connect Used as a quick shortcut to get somewhere else in a document or to an Internet site Anything can be set as a hyperlink
The orientation of your paper Portrait has the short side up (8 ½”) and is the default Landscape puts the short side at the top (11”)
Left Center Right Justified
Left Right Decimal Dot Leader