1. Computer Fundamentals 1
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Computer Fundamentals 1
Introduction

2. Aims of Course Basic Overview of Computers Internet Email
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Aims of Course
Basic Overview of
Computers
Internet
Use of Major Applications
Word
PowerPoint
Excel
Access

3. Computers – They are everywhere!
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Computers – They are everywhere!
TV’s
Microwaves
Watches
Traffic Lights
Games Consoles (More powerful than the early supercomputers of 20+ years ago!)

4. Computers - What is a computer?
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Computers - What is a computer?
Computers are just tools
A device that:
accepts information (in the form of digital data)
processes the data (information; raw facts):
a program - sequence of instructions on how data is to be processed.
generates results
stores data for some necessary duration

5. Computers - What is a computer?
Output devices
System Unit
Mass storage device
Input devices

6. Computers - What is a computer?
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Computers - What is a computer?
The physical parts that make up a computer are called hardware.
Refers to objects that you can actually touch, like disks, disk drives, display screens, keyboards, printers, boards, and chips
Programs that tell a computer what to do are called software
Software exists as ideas, concepts, and symbols, but it has no substance.

7. Computers – hardware Input Devices Output Devices Storage
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Computers – hardware
Input Devices
Output Devices
Storage
Central Processing Unit (CPU)
-“the brain”

8. Computers – Input Devices
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Computers – Input Devices
A peripheral device that is used to enter commands or information into a computer, such as:
a keyboard
mouse
joystick
modem
scanner
touch screen
microphone
graphics tablet

9. Computers – Output Devices
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Computers – Output Devices
A peripheral through which information from the computer is communicated to the outside world
Screen
Printer
Speakers

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Computers – Storage
A device into which data can be placed, held, and later retrieved.
"Main storage" = the computer's memory, the space used for executing instructions;
"auxiliary storage“:
Hard Drives
Floppy disks
CD-ROMS
Zip Disks

11. Computers - CPU controls the operation of a computer.
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Computers - CPU
controls the operation of a computer.
Units within the CPU:
perform arithmetic and logical operations
decode and execute instructions

12. Operating Systems 1 The basic control system for the computer
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Operating Systems 1
The basic control system for the computer
The most important program that runs on a computer
User
Application
Operating System
Hardware
Perform basic tasks, such as:
recognizing input from the keyboard,
sending output to the display screen,
keeping track of files and directories on the disk,
controlling peripheral devices such as disk drives and printers

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Operating Systems 2

14. Operating Systems Windows NT/2000 Other windows versions
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Operating Systems
Windows NT/2000
A business orientated system
Designed to work with networks
Versions for workstations, servers
Other windows versions
Windows 10, 8, 7, Vista, XP, ME, 98, 95, 3.x
Other operating systems
Unix
Linux
Macintosh (OS)

15. Drive Names Drives are given a letter to represent them
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Drive Names
Drives are given a letter to represent them
Floppy Disks by convention are ‘a’
Hard Disks generally start from ‘c’
CD-Rom drives vary – anything from ‘d’ to ‘z’

16. Saving Files Files should be saved regularly to disk
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Saving Files
Files should be saved regularly to disk
Many applications have automatic save features

17. Finding and Managing Files
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Finding and Managing Files
Windows has in-built facilities to assist in the management of your files:
A program called Windows Explorer which is a graphical tool
A program called Command Prompt (DOS Prompt) which is text based
Windows Explorer is much easier to use
Windows Explorer
Command Prompt

18. Opening Windows Explorer
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Opening Windows Explorer
Start Button >
All Programs >
Accessories >
Windows Explorer

19. Features Move Files Create Sub-folders (a folder inside a folder)
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Features
Move Files
Create Sub-folders (a folder inside a folder)
Copy Files
View File Properties
Size
Date Created
Sort Files

20. Last but not least…
Attendance will be recorded for each session