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7/28/2019 Chapter 1 Getting Started With Your PC
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BASIC SKILLS FOR KNOWLEDGE WORKERS
Basic Skills For Knowledge Workers
Taking Care of Your PC Time Managing Your Life Multiple Intelligence Basics of: MS-Word, MS-Excel, MS-
PowerPoint
Informational Listening Structuring Written Composition/Term
Paper
1 : TAKING CARE OF YOUR PC
AIM :
Familiarize with
The suitable environment for PC Optimizing PC performance Ergonomics
PC Environment
Environment factors can cause PCfailure .eg. Data loss, damage to
equipment, corrosion, condensationDO'S :
Keep the PC in a cool and dry placeto reduce humidity
Keep the system unit cover on Keep away from sources of heat Ideal temperature range 15-24 oC Adequate ventilation
DON'TS
Dont put electronic devices near aPC
- electromagnetic interference
Moving A PC
Take precautions while moving
computer components.
back up data before shifting
disconnect all components of thesystems
pack the components in theirrespective boxes
remove CDs and diskettes do not keep sharp objects near the
monitor
do not keep objects over thekeyboard
PC Connections
Cleaning PC
Put a few drop of isopropyl alcohol onthe circular portion of the diskette
Use any liquid for cleaning TV screen Use vacuum cleaner
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Clean keyboard circuit board with cleantissue dipped with alcohol
Mouseo Turn the mouse cover anti-
clockwise to release the ball,
remove the cover and take the ball
out.
o Use the soft tissue or adhesivetape to clean the mouse ball, be
sure to remove all
dust/hair/debris.
o When you have removed all tracesof dust/dirt from the rollers and
the ball is nice and clean, simply
put the ball back in and replace the
cover turning clockwise to lock it in
place.
Use vacuum cleaner to clean any speckof paper
Wipe cartridge with soft cloth
Protecting Data Against Virus
What is virus ?
A program that may destroy or alterdata andmay also spread to other
computers
Virus transmission :
Through diskette Downloading information Over the networkVirus prevention
Anti virus programs are for :o To locate and destroy viruso Prevent virus from damaging
data
Virus ethics :
Precautions need to be taken tohave a virus free system
Data backup
If virus infects your PC, you might lose
all the data in the hard disk. You can
back up your files to safeguard them
against loss.
Multiple Backup - Always make twosets of backup copies so that if one
copy is lost, you can have another
one to fall back on.
Intelligent Backup - You need notbackup the same item each day.
Backup only the item that you have
changed during the day.
Timely Backup - It is critical tobackup your work every 15
minutes, particularly in places with
a history of power breakdown.
Formatting Diskettes
Why need formatting ?
deletes existing files cleans up the unusable areasSteps to format :
Assume that the diskette is insertedin the relevant disk drive
Double-click on the My Computericon
Click on the icon for the diskette On the File Menu, click on Format
Scanning the disk
The needs ??
Repair the damaged areas To check the physical and logical
errors
To check the files and folders onhard disk for data errors.
Defragmenting the disk
Fragmented files
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The files becomes too large for yourcomputer to store in a single
location on a disk.
What happen to the files ?
Computer will splits the file up andstores it in pieces.
What can you do ?
Use disk defragmenter -Rearranging the files & free space
on your computer
How to use it ?
Quit all applications programs. Click the Start button, point to All
Programs, point to Accessories, point to
System Tools and then click at Disk
Defragmenter.
If necessary, select the hard disk youwant to analyze and defrag from the
hard disk list in the Disk Defragmenter
window. Click at the Analyze button.
When the analysis is complete, click atthe View Report button in the smaller
Disk Defragmenter dialog box.
Close the Analysis Report dialog box.
Click the Defragment button. Thedefragmentation process can take a few
hoursto complete. When the
defragmentation is complete, click the
Close button in the smaller Disk
Defragmenter dialog box.
Click the Close button in the DiskDefragmenter window.
ERGONOMICS
The science of maximizing work
efficiency by changing working
environment to suit human tasks and
abilities
Learn about :
correct sitting postures methods to reduce eyestrain repetitive stress injury
Sitting Postures
Improper sitting leads to :
lower back pain neck pain eye strain abdominal pain leg & arm pain poor digestion sleep disorder
Proper sitting :
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The shoulder should relaxed, not liftedup
The upper arms should be relaxed andparraled to the floor as they extend to
the keyboard
The back should be supported by theseat back
The wrists should be straight, and thefingers relaxed
The thighs should be evenly supportedby chair
The head, shoulders and hips should bealigned
The feet should be flatted on the floorEye Strain
What causes eye strain ?
awkward head position squintingTo reduce :
take frequent breaks minimize glare with glare filter
screen
adjust brightness position work materials use a large font monitor should be between 18 - 28
in. from eyes
position monitor so that your headis tilted down (20)
Repetitive Strain Injury
RSI is caused to the hands and arms
resulting from the use of keyboards and
mouse
Preventive measures :
correct typing technique correct posture right equipment set-up take frequent break hold the mouse lightly
dont tuck phone between shoulderand ear
keep hands and arms warm