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SOFTWARE coded programs that tell the computer system what to do and how…
SOFTWARE
coded programs that tell the computer system
what to do and how to do it.
APPLICATIONS SOFTWARE
to do a
particular assignment.
WORD PROCESSOR
:
manipulates text documents
that are entered by a keyboard and allows you to copy, delete and change the format of the document with its tools.
Funtions
Synonym dictionary and spell checker.
Import images in an organized page design.
Copy and paste text.
Translate into other languages.
Manipulate, edit, save and create text.
SPREADSHEET
:
organises and manipulates numerical data
. Numbers are arranged on a grid (made of cells) of lettered columns and number rows.
Functions
Graphs.
Modelling and ´what if´calculations.
Formulas for calculations.
DATABASE
:
systematizes, handles and analyses data
. Mostly made up of one or more tables, made of rows
(records)
and columns
(fields)
.
Functions
Carry on queries and make reports on database data.
Add,delete and edit data in a table.
CONTROL AND MEASURING SOFTWARE
: enables a computer to
interact with sensors.
Functions
Measure physical quantites in the real worldm(temperature).
Manipulate applications constrasting sensor data with stored data and giving signals that alter process parameters.
APPS
(applications): in phones or tablets. Usually downloaded from an
"App store"
.Range from games to more complex software.
Examples
Camera facilities.
GPS.
Video music streaming.
PHOTO EDITING SOFTWARE: manipulates digital photographs
that are in a computer.
Functions
Edit a photo to make it perfect.
VIDEO EDITING SOFTWARE: manipulates videos to edit them.
Functions
Apply video enhancements.
Create transitions between clips in the video footage.
Reorganize, add or delete parts of the video clip or audio clip.
Adittion of titles, color correction, and altering or adding sound.
GRAPHICS MANIPULATION SOFTWARE
:
manipulates bitmap and vector images.
BITMAP
: made of pixels which contain information about brightness and colours. Changing the pixels you can make a different image.
VECTOR
: don´t use pixels.Operates with lines, curves and text.
SYSTEMS SOFTWARE
makes the
hardware
to
function right
and the
computer
to
communicate with the user
.
COMPILER
:
translates
a program from a
high-level language
into a
code
that the
computer understand
and use this code
to do an specific task
.The original program is called the
"source code"
and the code after compilation is called
"object code"
. After the process of compiled happens, the code that the computer understands can be used all the time to do the same task without recompilation.
Examples
High level languages
: Java, Python, Visual Basic, Fortran, C++ and Angol.
Code that the computer understands:
Machine code
.
LINKER
: takes one or more
object files
done by a compiler and
mix them into a single program
that could be run in a computer.This
makes the task much easier
because it lets the program to be divided into sub-tasks.Eventually it will be necessary to put all the modules( different pieces of code) joined together to make the final program.
DEVICE DRIVER
: allows one or more
hardware devices
to
communicate with the computer´s operating system
. All hardware devices that communicate with a computer have associated drivers. When the device is into the USB port of the computer, the operating system search for the appropriate driver.
Examples
Printers.
Memory sticks.
Mouse.
CD drivers.
OPERATING SYSTEM (OS)
: runs in the background of a computer system.Enables
computer systems
to
function
. OS allows
user
to
used
the
computer
in a
friendly way.
Functions
Maintains security of the computer system, for example: passwords.
Deals with errors that happen in the application software.
Users can work with the computer.
Allows programs to load and work.
Controls input and output operations, also backing storage devices.
Maintains a computer log.
UTILITIES
: help to
manage, maintain and manipulate the computer resources.
Examples
Antivirus.
Anti-spyware.
Buckup of files.
Disk repair.
File management.
Security.
Screensavers.
Disk defragmenter.