for application of desired task.
EXPLAIN System Software:
programs used to start and run application software and networks.
inner Program files contain what type of application?
system level applications
what file format is data stored in?
in a proprietary file format
what kind of data is stored
in program Data files?
data that a particular program uses.
Very High- level VHLL
reduces complexity and amount of source code
DESCRIBE High- level Language (3rdGL),?
general purpose programming, English like language, FORTRAN, C/C++, VB, Python.
Assembler translate _______ language into _______ language. also _________ a program.
Assembly language is more of a _____ form of machine language, using the ____________ language for coders.
is Machine Language (1stGL) usasable by humans?
UNUSABLE BY HUMANS cumbersome LAGUANGE OF 1'S AND O'S.
translates coded instructions into machine langauge.
what do Assemblers convert?
HIGH LEVEL language
program into machine-language.
hint: UN transator
translates computer code written in one programming language, into another language
what do Interpreters translates each line of what?
instruction as it goes through the program excuting instructions?.
name the Components of a Program?
Variables- Variable Type - Keywords - Constants - Operators -Expressions
all forms of Variables are stored where?
computer’s memory unit.
a variable can store inforation however it can aslo ______ or ________ the address of a variable
holds or stores
in high level languages, compiler chooses location of a variable for us, what does this do for us?
making real location of variable irrelevant. will always be stroed in same place computer memeory.
what do Variables Types
Numbers and Letters
creation/selection of the of Variable names is left to the programmer or software?
a variable name is choosen withing a set of program ________?
Choose descrptive names for varibles that include _______ and the _________ about the variable.
role & information
Generally, a variable name can consists of any number of letters, digits, or underscores, the first of which must be a letter or underscore and not the____________.
WHAT does VARIABLE represent?
a storage address associated symbolic name. (nickname)
Variables can store one value at a time, the assignment of another value to a variable will what?
automatically be overwritten
Variable names in many programming languages are not case sensitive names. is C/C++ CASE SENSITVE?
C/C++ variable names are case sensitive, ABC is different that abc, Abc, aBC, are all different
The amount of memory space reserved depends on the type of the variable, when a program is executed. WHERE ARE VALUES(information) STORED?
values for a variable are stored in that reserved space.
Float, Integer, String, character,
Currency (VB), unsigned (C/C++), Boolean (Pascal), etc.
What is a software?
operating information and programs used by a computer.