Computer Science Flashcards
Input, computer processes it and you get an output this is called
computer cycle
a keyboard that was developed to pervent carpal tunnel
ergonomic
top to left row of keys, the common keyboard type
Qwerty
Name some drives that are Optical
CD Rom, DVD rom, Blue rays
name some drives that are magnetic
Flash hard zip jazz IS-120 Floppy
Computers run on a _____numeric system
binary(0,1)
What is the smallest unit held by a computer?
bit
This is a format that a scanner will use if you want to edit the text in the scanned document
OCR
how many different combinations are there for a 0 or 1?
256
8 bits=1 1byte=?
1 letter/character
how many bytes in a kilobyte?
1,000 bytes
how many bytes in a megabyte?
1,000,000
how many bytes in a gigabyte?
1,000,000,000
how many bytes in a terabyte?
1,000,000,000,000
what is the main advantage of word processor?
you are able to edit and reytpe
what is the short hand for “copy”
ctrl + C
what is the short hand for “paste”
ctrl+v
what is the short hand for “cut”
ctrl+x
what is the short hand for “print”
ctrl+p
what is the short hand for “undo”
ctrl+z
what is the short hand for “redo”
ctrl+y
a cell reference in a formula that does not change when you copy the formula
absolute reference
a cell reference that is automatically updated by excel whenever a formula or function is copied from a originating cell to a destination cell
relative reference
this database matches data by using common characteristics found within the data set. The resulting groups of data are organized and are much easier for people to understand. this is the data base funeral home programs will use
relational database
this database is made up of columns and rows, you have to keep entering the infromation over and over again
flat database
one single piece of information found a database is
field
when you combine all the tables together this is called
database management system
what is the intersection of a column and a row
cell
the cell you are working with is called
active cell
a function within another function is called
nesting
what is the purose of “mod”
gives us the remainder
how is an absolute reference created
press F4
