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25 Cards in this Set

  • Front
  • Back
high level programming language
english-like
algorithm
the sequence of steps necessary to solve any problem
hardware
the equipment of a computer system
software
(programs) are written by programmers and tell the computer what to do
input
keyboards and mice;used to enter data into the computer system. Data can also enter a system from storage devices like magnetic disks and CDs
data
facts
processing
data items may involve organizing them, checking them for accuracy, or performing mathematical operations on them
CPU (central processing unit)
piece of hardware that processes data
save
a program on some non volatile medium
syntax error
an error in language or grammar
coding
a program means writing the statements in a programming language
syntax
of a language consists of its rules
compiler or interpreter
translates a high-level language and tells you if you have used a programming language incorrectly
logic
of computer programming when you give instructions out or adding extraneous instructions
running or executing
of a program occurs when the computer actually uses the written and compiled program
internal storage
is called memory, main memory, or primary memory
volatile
its contents are lost everytime the computer loses power
machine language
the low-level language made up of 1s and 0s that the computer understands
logical errors
occur when incorrect instructions are performed, or when instructions are performed in the wrong order
assignment statement
stores the rusult of any calculation performed on its right side to the named location on its left side
conversion
the entire set of actions an organization must take to switch over to using a new program or set of programs
data hierarchy
represents the relationship of databases, files, records, fields, and characters
characters
letters, numbers, and special symbols such as "A", "7", and "$"
field
a single data item, such as lastName, streetAddress, or annualSalary
database
holds a group of files that together serve the information needs of an orgization