6. HOW DOES THE COMPUTER WORK
DATA LETTER
POEM
SKETCH
INPUT
POINTING DEVICE
KEYBOARD
PROCESSING
CPU MOBO
RESEARCH
SCANNING DEVICE
VOICE-INPUT DEVICE
BIOS CMOS
OUTPUT
MONITOR PROJECTORS SPEAKER
SMART BOARD PRINTER
STORAGE
HDD RAM ROM CD DVD FLASH DRIVE
7. UNKNOWN FACTS
ABOUT COMPUTERS
- The first computer mouse, constructed
in 1964, was made out of wood by
Doug Engelbert.
- The first hard drive was created in
1979 and could only hold 5MB of data.
- Sir Tim Burner Lee invented internet
in1989. by now there will be 17 billion
devices connected to the internet.
31. - It is used by the point finger to
select an object (clicking), open a
program/folder/file(double-clicking)
or move an object (dragging).
LEFT BUTTON
32. - It is used by the middle finger to
open context menus of icons.
RIGHT BUTTON
33. - It is used by the point finger to
scroll up or down the page or
menu.
WHEEL
34. - It is used to connect to a USB
port or PS/2 port on computer.
CABLE
35. - It is used by the palm to be able
to position the fingers correctly
in the mouse.
PALM REST
37. 1. POINTING
-done by putting the mouse
pointer over an object you want to
select
FIVE FUNCTIONS OF MOUSE
38. 2. CLICKING
-usually done after pointing. This
action is done by pressing the left
button.
FIVE FUNCTIONS OF MOUSE
39. 3. DOUBLE-CLICKING
-done by quickly pressing the left
button two times. This allows you
to open a program or file in the
computer.
FIVE FUNCTIONS OF MOUSE
41. 5. DRAGGING
- allows you to move an object
from one place to another. It is
done by steadily pressing the left
button while moving the mouse.
FIVE FUNCTIONS OF MOUSE
45. - It is an output device that allows
you to see your work on the
computer.
Those output that you see on the
monitor screen are called
SOFTCOPY.
MONITOR
46. - CRT – Cathode Ray Tube
- LCD – Liquid Crystal Display
- LED – Light Emitting Diode
- OLED – Organic LED
- Touch Screen
- Curved
TYPES OF MONITOR
47. CRT – Cathode Ray Tube
- original
- large, heavy and inexpensive but
obsolete
TYPES OF MONITOR
48. LCD – Liquid Crystal Display
- common type
- have great color, image quality
and great resolution but poor
refresh rate and limited response
time
TYPES OF MONITOR
49. LED – Light Emitting Diode
- more reliable, less expensive,
consume less power and have a
more dynamic contrast ratio but
do not have a good response
time
TYPES OF MONITOR
50. OLED – Organic LED
- uses less power
than LCDs, has
better contrast ratios,
colors are more vibrant, better viewing
angles and produce clearer text
TYPES OF
MONITOR
51. Touch Screen
- can be interacted
with by touching
the screen
TYPES OF MONITOR
52. Curved monitor
- Latest in monitor tech, but
expensive
- more popular among gamers,
video editors and coding users
TYPES OF
MONITOR
55. - It supports the weight of the
monitor.
MONITOR STAND
56. - These are buttons used to
adjust the brightness and color
of the screen.
ADJUSTMENT KNOBS
57. - It is used to turn the monitor ON
and OFF.
POWER SWITCH
58. - It is a light at the front part of
the monitor which indicates if
the monitor has electric power.
LED
59. WHAT LETTER OR SYMBOL IS MISSING?
Q E R Y U O P
S F G J L ;
Z X V N , /
60. KEYBOARD – It allows you to enter data in
the computer
1. FUNCTION KEYS – Perform special task
2. ALPHANUMERIC KEYPAD - 26 letters and 0-9
numbers and symbols
3. NUMERIC KEYPAD - Like a calculator
/- Division
*- Multiplication
+-Addition
- Subtraction
4. NAVIGATION KEYS - Used to control the
movement of the cursor
5. SPECIAL KEYS – performs special functions
61. SPECIAL KEYS
1. Esc - close current program
2. Tab - give at least 6 spaces
3. Caps lock - allows letters to be typed in capital
form
4. SHIFT - used to change a small letter into capital
letter
5. Ctrl + alt – useful when combined with other keys
6. Backspace - allows you to erase any character on
the left of the cursor
7. Space bar – put a space between words or
characters
8. Delete - allows you to erase character on the right
side of the cursor
9. Enter – allows you to go to the next line
62. GROUPINGS OF KEYS
1. UPPER ROW –
0 to 9 and Q W E R T Y U I O P
2. HOME ROW –
A S D F G H J K L ;
3. LOWER ROW –
Z X C V B N M , . /
65. COMPLETE THE GROUP ACCORDINGLY.
RIGHT - MIDDLE : 8, ___, K, ___
RIGHT - POINT : ___, Y, ___, N
7, ___, J, ___
LEFT - POINT : 4, ___, F, ___
___, T, ___, B
LEFT - RING : ___, W, ___, X
RIGHT - SMALL : 0, ___, :, ___