introduction to computer system chapter – 1 comp4001 -computer skills
TRANSCRIPT
Computer Definition
It is a electronic device that accepts input , processes data, stores data and produces output.
Example Calculator -
It accepts only numbers , does simple math process( +,-,*,/ ) , produces output /result on screen
COMP40012
Computer Definition
Produces and stores results
Processes data into informationinformation
Data that is organized, meaningful, and useful
Accepts datadataRaw facts, figures, and symbols
COMP40013
Components of Computer System
Software ( Programs /Set of instructions) Hardware (Physical Parts)
Computer works with the help of software and Hardware
COMP40014
Software
Set of instructions which tell computer what to do .
They are also called programs Commands like start ,shutdown computer
(closing)
COMP40015
System / Operating System Software
Programs that control or maintain the operations of the computer and its devices Operating System (OS)Operating System (OS)
Set of programs that coordinates all activities among computer hardware devices and allows users to run application software
Every computer system has( must ) at least one operating system
COMP40016
Types Of operating system
Windows ( 7,XP, Vista)GUI, Famous, User Friendly
Unix, Sco-Unix DOS ( very old)
Windows Operating System Desktop
COMP40017
Application Software
Programs that perform specific tasks for users
Types Word processing ( MS-Word ) Presentation (MS-PowerPoint) Graphics Spreadsheet
COMP40018
Hardware
Any peripheral devices ( Physically which we can and touch)and components (inside covered) of the computer
COMP40019
Practical Exercise (Desktop)
Use Desktop Programs option and check the following.
What are the Application software in your college computer?
What is the Operating System on your system?
What are the software of Microsoft company? What are the other interesting programs of
operating system?
COMP400110
Practical Exercise
List the hardware parts which you are able to see and use.
How Keyboard is different from screen? Can you print from your system / is printer is
connected to your system.
COMP400111
Windows 7 Desktop (Working Area )
ICONS
Start button
Desktop
Taskbar Notification Area
COMP400112Taskbar pinned programs
Windows Desktop (classical view -Working Area )
Start Quick Launch Taskbar Taskbar NotificationButton Toolbar Area
Icons Desktop Mouse Cursor
COMP400113
Start Icon /Button
COMP400114
Current user name
Frequently used programs
Search files
Recently opened items
Window Common Properties
Close
Maximize/Restore Minimize
Status Bar
Control IconTitle Bar
Menu Bar
MY COMPUTER WINDOW
COMP400115
System Properties /Configuration
To see your computers operating system
1. Click on ‘My computer’ on desktop / from ‘Start’ Menu
2. Keeping your mouse cursor in ‘My computer ‘ Window , Right click on mouse and select ‘Properties’ option
3. The ‘System Properties’ window is displayed with system details.
COMP400116
Windows 7 computer – Propertiesconfiguration
COMP400117
Operating system Name
Processor speed & RAM capacity