order of operations
tells you what part of the equation to calculate first
numerical expression
contains one or more numbers and operation symbols; [6+20-4]
PEMDAS
(please excuse my dear Aunt Sally); Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
addition
combining two like terms (numbers or values)
sum
final number or value of what was added
product
result of multiplied items
dividend
number that’s being divided
divisor
number by which you’ll divide
quotient
end result of dividend and divisor
math operators
symbols that represent operations that you want to perform with numbers
temperature
how hot or cold something is
fahrenheit scale
measures temperature in the US; freezing pint= 32 degrees F; boiling= 212 degrees F
Celsius scale / centigrade scale
measures temperature outside of the US; freezing point = 0 degrees celcius; boiling point= 100 degrees celcius
farenheit to celcius conversion formula
(F-32) /1.8
celcius to farenheit conversion formula
(C*1.8)+32
computer
an electronic device that can store, process and retrieve data
hardware
physical items of equipment
software
programs/ applications that tell a computer what to do and allow the user to be productive
operating system software
software that manages the operation of the entire computer; Ex) Microsoft windows
software applications
programs that allow you to complete specific tasks
keyboard
used to input data into the computer
camera/video camera
used to create pictures or video images that can be saved and distributed through electronic sources
microphone
device used to produce audio input
monitor
device used to display signals of the computer; typically with an LCD display