Chapter 1 Getting Started With Your PC

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

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Chapter 1 Getting Started With Your PC