SOFTWARE - RMM ICT GROUP | sekadar luahan rasa
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Transcript SOFTWARE - RMM ICT GROUP | sekadar luahan rasa
CONTENT
Introduction
Operating
System (OS)
Summary
Application
Software
Utility Program
Proprietary and Open Source Software
Summary
Introduction
Do
you know what types of this
pictures are?
This lesson will be a walkthrough on
Software which basically divided into
2 categories :
Operating System
Application Software
Operating System (OS)
Is a set of programs that schedule tasks, allocates storage
and presents a default interface to the user between
applications.
The functions of OS:
1. Starting a computer
2. Providing a user interface.
3. Managing data and programs.
4. Managing memory.
5. Configuring Devices.
Many of the OS were device-dependent and proprietary.
Various Types of OS in Different Platform
1.
PC Platform uses OS:
a) Disk OS (DOS)
- Used a command line interface when Microsoft 1st
develop.
- It’s a closed source software.
b) Microsoft Windows XP
- It’s operating environment is Graphical User
Interface (GUI).
- It’s a closed source software.
2.
Apple Platform uses OS:
a) Mac OS
- It’s a 1st commercial successful GUI.
- Used in home desktop and workstations.
b) Mac OS X
- It’s a multitasking OS.
- Used in home desktops, workstations and servers.
- Better security protection compared to Mac OS.
3.
Cross-Platform uses OS:
a) UNIX
- Multitasking OS.
- Offer command line interface and GUI.
b) LINUX
- Is a popular, free and UNIX-like GUI.
- Open source software.
Different Interface of OS
User Interface is the part of an OS that you see and interact
with and by which users and programs communicates with
each other.
Importance of user interfaces are:
1. To assist users interacting with a software.
2. To control how a user enters data and instructions.
3. To control how information is displayed.
3 types of user interfaces are:
1. Command-line Interface
2. Menu-driven Interface
3. GUI
1.
Command-line Interface
- Requires user to type commands to enter data and
instructions that instruct the OS what to do.
- Difficult to use because it requires exact spelling, syntax
and a set of rules.
- Advantage : Help user to operate computer quickly
after memorizing the keywords and syntax.
2.
Menu-driven Interface
- Enable user to avoid memorizing keywords such as
copy, paste and syntax.
- On screen, it shows the options available at a given
point in a form of text-based menu.
- Easy to learn.
3.
GUI
- Makes use of computer’s graphics capabilities to make
the OS and programs easier to use (user-friendly).
- Used to create the desktop that makes user easily
differentiate between interface.
- Interact with menus and visual images such as buttons,
icons, and other graphical objects to issue commands.
Summary
OS is a set of programs presents a default interface to the
user between applications.
The functions of OS is starting a computer, providing a user
interface, managing data and programs, managing memory
and configuring Devices.
Various types of OS that uses different platform:
a) PC Platform - Disk OS (DOS) and Microsoft Windows XP
b) Apple Platform - Mac OS and Mac OS X
c) Cross-Platform - UNIX and LINUX
User Interface is the part of an OS that you see and interact
with.
3 types of user interfaces are, Command-line Interface,
Menu-driven Interface and GUI.
Types of Application Software
1.
2.
3.
4.
The program that is designed to assist users with personal
Word Processing
– An office
application
that enable user
tasks is called
an application
software.
to create, edit, format and print
textual documents (Exp: MS Word).
Spreadsheet – A program that processes information in `
the form of tables. Table cells can hold
values and mathematical formulas
(Exp: MS Excel).
Presentation – Allow user to create visual AIDS or
presentation to communicate ideas,
messages and other information to a
group (MS PowerPoint).
Graphics – Program that edit digital representation or
non-text information such as drawings, charts
or photographs (Windows Movie Maker).
Utility Program
Perform maintenance-type tasks related to the managing of
a computer, its devices and programs.
Enhance existing functions or provide services not supplied
by other software programs.
Most computer come with built-in utilities
Types of Utility Program
1.
File Manager
- Software used to manage files on a disk.
- Provide functions of delete, copy, moves and view the
file as well as create and manage folders, formatting
and identify the capacity of the storage medium.
2.
Diagnostic Utility
- Compiles technical information about a computer’s
hardware and prepares a report outlining any identified
problems.
- Example : User guide (Help Menu)
3.
File Compression Utility
- Removes redundant elements, gaps and unnecessary
data from a computer’s storage capacity.
- Also called zipped files.
- A compressed file must be unzipped to its original form
before being used.
- Example : WinZip
Proprietary and Open Source Software
1.
Proprietary Software
- Also called closed source software.
- Offers a stable system with support if the software fails
or malfunctions.
- Example
:
MS-DOS, Mac OS and UNIX.
2.
Open Source Software
- Provide for use, modifications and redistributions.
- Can download from internet for free and make
improvement by the user.
- Example
:
LINUX
Differentiate Between Proprietary and
Open Source Software
Proprietary Software
(Windows XP)
Advantage
Runs on a wide range of
Hardware
Has largest market share
Has many built-in utilities
Open Source Software
(LINUX)
Advantage
Disadvantage
Security problems
Not sufficient as a server OS
Have to reboot every time a
network configuration changed.
Runs on a wide range of
Hardware
Has a largest number of a user
interface types
Can be used as server desktop
PC OS
Disadvantage
Limited support for games.
Limited commercial applications
available
Can be difficult to learn
Summary
1.
2.
3.
4.
1.
2.
3.
There are 4 types of Application Software :
Word Processing
Spreadsheet
Presentation
Graphics
Utility Program perform maintenance-type tasks related
to the managing of a computer, its devices and programs.
3 types of Utility Program are :
File Manager
Diagnostic Utility
File Compression Utility