1. Elements of a Computer System
Prepared by:
Shirley P. Valera
Grade – 3 St. Francis/
St.Augustine/St.Maria Goretti
School Year 2017-2018

2. Pupils will explore the computer
and write down the hardware,
software and peopleWare that
they see around the campus.

3. Review
of the past lesson
on
Information Processing Devices

4. Do you know the different
computer hardware, software,
and peopleware that make up
the computer system?

5. Elements of a computer system
- they are the hardware, software, and
peopleware.
- computer will not work without software and a
user who will give instructions to the computer

6. Hardware
- Is the visible part of the computer
- Can be touch

7. Proper care of the computer hardware
1. Clean your computer always. Use a damp cloth in cleaning the
parts. Use brush to dust off the keyboard and the mouse.
2. Never eat in front of the computer , crumbs and liquid might
spills.
3. Shut down computer after using it.
4. Never touch electrical wire.
5. Never place heavy objects on top of your computer hardware.
6. Always keep your working area clean . Avoid tangled wire that
can cause electrical problems.
7. Never plug your computer directly into a power outlet . Plug it
into a voltage regulator or an uninterruptable power
supply(UPS)
8. Unplug your system during lightning storms .

8. Software
- It is collection of programs and related data that
provide the instructions of telling a computer what
to do and how to do it.

9. Proper care of the computer software
1. Always back up your programs and files.
2. Run an anti-virus software in your
computer.(McAfee Virus scan, Avira, Kaspersky,
etc.)
3. Never start your computer with a diskette in a
floppy drive, a CD in the drive, or a flash disk in
the USB slot.

10. Peopleware
-refers to people who directly use computer
software and hardware
doctor doctor farmerr
boy stewardess
fireman
waiter welder nun

11. People working with a computer
- A computer help doctors diagnose
different kinds of diseases
- Computers help students with research and
assignments. Teachers use computers to
prepare their materials and to encode
grades
- A computer help to finish work faster
- A computer helps weather forecasters to
determine incoming typhoons and predict
weather

12. Generalization
- Firmware is stored permanently in
hardware.
- The computer is composed of three
elements, hardware, software, and
peopleware.

13. Write H if it is a hardware, S for software,
and P for peopleware. (JIT p.59)
Computer engineer
Web camera
Computer teacher
Flash disc
calculator
Flat screen monitor
MSPaintbrush
Wordpad
microphone
Website developer

14. Write R if the statement is correct and W if the statement wrong.(JIT
pp.60)
Always clean your computer properly.
Use a wet cloth in cleaning the parts of your computer hardware.
Eat in front of your computer.
Repair your computer in case it breaks down.
Always keep your working area clean.
Plug your computer directly into a power outlet.
Unplug your system during lighting storms , even if it is surge
protected
Back up your programs and files.
Never use an anti-virus software on your computer because it
slows down your system.
Start your computer with a diskette in the floppy drive.
.

15. Homework;
Name at least five examples of each element.(JIT p.58)
A. hardware
1.
2.
3.
4.
5.
software
1.
2.
3.
4.
5.
peopleware
1.
2.
3.
4.
5.

16. References:
Jumpstart I.T. pp.49-63
Computers in Blended Learning pp.77-88

17. Skills E G NP
Able to open the MSPaint program in the computer.
Able to create a new blank document.
Able to draw and label an input device.
Able to draw and label an output device.
Able to draw and label a processing device.
Able to draw and label a storage device.
Able to finish the tasks on or before time.
TOTAL SCORE
E-excellent(5 pts) G- good (3-4 pts.) NP- needs practice(1-2 pt/s)