2. As the 21st century looms ahead, it is
clear to see that it has advancements
that humanity may never have dreamed
of and one of these shining
developments is the well-recognized
computer.
3. Who invented
computer?
The analytical engine designed by
Charles Babbage in 1830 is
considered by many to be the first
computer.
Charles Babbage is often called the
Father of Computer
9. 2. Data Analysis
- Computer users can create
spreadsheets and use computer
programs to quickly and easily process
large amounts of data so that they can
perform complex calculations
10. 3.Internet Browsing
- Many people enjoy surfing the
web to find information, use social
media, read news, watch videos,
or listen to music.
11. 4. Web Cameras
- This video recording
device is useful for online
classes and meetings, as
well as for creating personal
videos.
12. 5. Playing Games
- A large variety of computer games
are available for individuals to play
on computers, phones, or game
consoles.
13. 6. Creating Applications -
Applications (or apps) are software
available on mobile phones,
desktops, and laptop computers.
- Apps help complete a variety of
tasks on the computer.
15. 1. Supercomputer
- is the fastest and most powerful
computer in terms of performance
& data processing
- it uses its power to run one
program at a time.
17. 2. Mainframe computer
- is not as powerful as the
supercomputer
- it is designed to run
multiple programs
concurrently.
18. It is commonly used in:
Banks
Educational Institution
Insurance companies
19. 3. Minicomputer
- also known as “Midrange” computer fill the space
between the mainframe and microcomputer.
- It is smaller than Supercomputer or
Mainframe computer but bigger and more
powerful than the microcomputer.
20. Some of its uses are as:
Data Management device
Communications Portal
Process Control
21. 4. Microcomputer
- is the most widely used
computer – desktop, laptops,
tablets, and smartphones.
- It is the cheapest among the
different classes of
24. Computer system
- is a collection of entities that are
designed to receive, process,
manage, and present information in
a meaningful format
25. - it has 3 elements that
will make a computer
really useful
26. 1.Hardware
- refers to the physical, tangible
computer equipment and
devices
- provides support for major
functions such as input, process,
output and storage.
28. A. INPUT DEVICES
- are composed of a device that
accepts data and
instructions from the user or from
another computer system
29. A.1. Keyboard
- a computer keyboard is an input device
used to enter characters
and functions into the computer system by
pressing buttons, or keys.
- it is the primary device used to enter text.
30. A.2. Mouse
- The mouse is another input device used
to point and select objects on
the computer monitor.
- It allows the computer user substantial
latitude in how to accomplish a wide
variety of tasks.
31. A.3. Scanner
- scanner is use to capture a source
document and converts printed
data or images into an electronic data
format that a computer can store or
process as required.
32. A.4. Microphone
- Microphone is used to input sound that is
then stored in a digital form.
- It is used for various applications such as
adding sound to a multimedia
presentation or for mixing music
33. B. OUTPUT DEVICE
- is any piece of computer hardware that
displays results after the computer has
processed the input data that has been
entered.
34. B.1. Monitor
- is an electronic visual computer
display
- includes a screen, circuitry, and the
case in which that circuitry is
enclosed.
36. B.3. Speaker
- a computer speaker is an output
hardware device that produces
sound.
37. B.4. Projector
- A projector is an output device that
projects an image onto a large surface,
such as a white screen or wall.
38. C. PROCESS DEVICE
- is the computer’s circuitry in the
system unit. It plays
an important role in processing
operations
- it is used to process data, using
instructions from the program.
39. C.1. Motherboard / Mainboard / System
Board
– is the main circuit board of
a computer
- contains all the circuits and
components that run the computer
40. C.3. RAM – (Random Access Memory)
- is volatile, meaning it holds data
only when the power is on.
- When the power is off, RAM's contents
are lost.
41. C.2. CPU (Central Processing Unit)
- The processor is the main “brain” or
“heart” of a computer system
- it performs all of the instructions and
calculations that are needed and manages the
flow of information through a computer.
42. C.4. Video Card/GPU (Graphics Processing
Unit)
- also called a display card,
graphics card, display adapter, or
graphics adapter is an expansion card which
generates a feed of output images to a display
device (such as a computer monitor)
44. 1/2 crosswise
Answer the following questions .
1. How does computer and internet affect your
daily life? Cite specific examples.
2. What do you think are the advantages and
disadvantages of using computer?
Explain briefly.