Intro to Math for Technicians Flashcards
Tells you what part of the equation to calculate first
PEMDAS
Order of Operations
what does PEMDAS mean?
Parenthesis
Exponents (roots or powers)
Multiplication
Division
Addition
Substraction
Contains one or more numbers and operation symbols
6 + 20 - 4
numerical expression
Temperature formula for Celsius
(F - 32) / 1.8 = C
Temperature formula for Fahrenheit
(C x 1.8) + 32 = F
A computer can be defined as an electronic device that can…
Store, Retrieve, and Process data
refers to the physical items of equipment
monitor (the screen you look at)
Keyboard (which you type on)
Hardware
refers to the programs or applications that tell a computer what to do and allow the user to be productive.
Directs the computer to complete a task
Browse the internet or launch an email program
Software
what are the 2 main types of software?
one has 3 words, and the other one has 2 words.
Operating System Software and Software Applications
This is software that manages the operation of the entire computer
such as Microsoft Windows
Operating System Software
These are the programs that allow you to complete specific tasks
such as write documents, create presentations, calculate data in spreadsheets, and play games.
Software Applications
Used to input data into the computer
Keyboard
Used to create pictures or video images that can be saved and distributed through electronic sources
Camera/Video Camera
Device used to produce audio input
Microphone
Device used to display signals of the computer
typically thin with and LCD display
Monitor
Pointing device used to operate or perform specific functions of the computer
Mouse
Used to print text or images from a computer
Printer
Analyzes images and processes them
Scanner
Devices used to produce audio output
Speakers and Sound Inputting devices
Allows user to perform specific functions of the computer by applying a light touch to the screen
Touch Screen
Word processing
Microsoft Word
Spreadsheets
Microsoft Excel
Presentations
Microsoft Powerpoint
Databases
Microsoft Access
a type of productivity suite used in various healthcare organizations across the country.
Microsoft Office
a type of word processing system used for specifc tasks
such as creating and generating forms
Microsoft Word
a spreadsheet application that allows users to create and edit spreadsheets or interactive worksheets in which data is organized and analyzed.
Microsoft Excel
Each page in microsoft excel is called a
worksheet
multiple pages in excel is called a
workbook
predefined worksheets in which the formatting has already been created in terms of styles, formulas, and text.
Templates
what are the 2 features that excel uses to input data
Formulas and Functions
Allows you to perform mathematical calculations on data.
Formulas
Are formulas that have been predefined to perform certain calculations
Functions
Examples of functions includes:
SUM and AVERAGES
Adds values in cells
SUM
calculates the average for a group of selected cells
AVERAGE
counts the number of cells
COUNT
determines the highest cell value in the selected cells
MAX
Determines the lowest cell value in the selected cells
MIN
