Introduction to computer systems. Lecture 3

1. S. Toraighyrov Pavlodar State University SOFTWARE

ICT
S. Toraighyrov Pavlodar State University
SOFTWARE
Aizhan Syzdykova
senior teacher

2. Lecture 1

INTRODUCTION TO ICT
Lecture 2
introduction to
computer systems
Lecture 3
software

3. Software

Types
Basic concepts of OS
Evolution of operating systems
Classification of desktop applications

4. Revision

All computers have in common
Hardware
Software
is any part of the computer is any set of instructions that
that have physical structure. tells the hardware what to do
& how to do.
INTERNAL
COMPONENTS
THE MOTHERBOARD
THE PROCESSOR
RAM
HARD DISK DRIVE
(HDD)
…
EXTERNAL
COMPONENTS
MONITOR
KEYBOARD
MOUSE
PRINTER
COMPUTER CASING
SYSTEMS
SOFTWARE
OPERATING SYSTEM
Windows
Mac OS X
Linux
APPLICATION
SOFTWARE
DESCTOP APPS
MOBILE APPS

5.

6.

7. What is an operating system?

An operating system is the most important software that
runs on a computer.
It manages the computer's memory and processes, as
well as all of its software and hardware.
It also allows you to communicate with the computer
without knowing how to speak the computer's
language.

8. Operating systems for desktop and laptop computers

Operating systems for
desktop and laptop computers
Microsoft Windows
Mac OS X
Linux

9. Operating systems for mobile devices

Examples of mobile operating systems
include Apple iOS and Google Android.
Mobile devices such as phones, tablet
computers, and MP3 players are different
from desktop and laptop computers, so they
run operating systems that are designed
specifically for mobile devices.

10. Evolution of operating systems

Microsoft
Windows
Mac OS X
Linux
Microsoft created
the Windows operating
system in the mid1980s.
Mac OS is a line of
Linux (1991) is a family
operating systems
of opencreated by Apple (1984). source operating
systems
Windows 10 (2015)
Windows 8 (2012)
Windows 7 (2009)
Windows Vista (2007).
OS X and the specific
versions include
El Capitan (in 2015)
Yosemite (2014)
Mavericks (2013)
Mountain Lion (2012)
and Lion (2011).
The advantage of Linux
is that it is free

11. Software

Types
Basic concepts of OS
Evolution of operating systems
Classification of desktop applications

12. What is an application?

Simply put, an app is a type of software that allows
you to perform specific tasks.
Applications for desktop or laptop computers are
sometimes called desktop applications, while
those for mobile devices are called mobile apps.
App is a common term for an application, especially
for simple applications that can be
downloaded inexpensively or even for free. Many
apps are also available for mobile devices and
even some TVs.

13. Desktop applications

There are countless desktop applications, and they fall into several
categories. Some are more full featured, while others may only
do one or two things. Below are just a few types of applications
you might use.
simple
(may only do one or
two things)
Clock
Calendar
Calculator
…..
Full featured
Word Processors (Microsoft Word)
Web browsers (Internet Explorer,
Mozilla Firefox,
Google Chrome,
and Safari)
Media players (Windows Media
Player and iTunes)
Games

14.

15.

16.

17. Mobile apps

You can also download apps for mobile devices
like smartphones and tablets.
Gmail: You can use the Gmail app to easily view and send emails
from your mobile device. It's available for Android and iOS devices.
Instagram: You can use Instagram to quickly share photos with
your friends and family. It's available for Android and iOS.
Duolingo: With a combination of quizzes, games, and other
activities, this app can help you learn new languages. It's available
for Android and iOS .

18. Conclusion Software

Types
Basic concepts of OS
Evolution of operating systems
Classification of desktop applications

19. Operating Systems

Most important SOFTWARE
For Desktop and Laptop
For mobile devices
Computers
Microsoft Windows
Apple iOS
Mac OS X
Google Android
Linux
…
- manages the computer’s memory, processes, software,
hardware
- allows to communicate with the computer