The document provides a comprehensive overview of computer systems servicing, covering various aspects including computer operations, types of computers, hardware, software, and keyboarding techniques. It elaborates on computer characteristics, different computer types (personal, workstation, minicomputer, mainframe, supercomputer), and components such as input/output devices and storage. Additionally, it discusses software categories, productivity tools, essential features of word processors, spreadsheets, and presentation software, along with keyboarding skills and shortcuts.

1. Chapter 1
COMPUTER SYSTEMS
SERVICING

2. Perform Computer
Operations
How to Set-up Computer
Networks
How to Install and Configure
Computer Systems
How to Set-up Computer
Servers
02
01
04
03
Maintain and Repair Computer
Systems and Network
05
TOPICS

3. Perform
Computer
Operations 01

4. Plan and prepare for task
to be undertaken
Access information using
computer
Input data into computer
Produce output data
using computer system
LEARNING OUTCOMES:

5. What is Computer?
 Is a programmable device that can store,
retrieve, and process data.
 Are electronic devices that accept data
(input), process the data, and produce
output and store results.

6. CHARACTERISCTICS OF COMPUTER
Characteristics Definition
SPEED
In general, no human being can complete to solving
the complex aomputation, faster than the computer.
ACCURACY
Since the computer is programmed, so whatever input
we give it gives the result accurately.

7. CHARACTERISCTICS OF COMPUTER
Characteristics Definition
STORAGE
Computer can store mass storage of data with
appropriate format.
DILIGENCE
Computer can work for hours without any break and
creating error.

8. CHARACTERISCTICS OF COMPUTER
Characteristics Definition
VERSATILITY
We can use computer to perform completely different
type of work at the same time.
POWER OF
REMEMBERING
It can remember data for us.

9. CHARACTERISCTICS OF COMPUTER
Characteristics Definition
NO IQ Computer does not work without instruction.
NO FEELING It can remember data for us.

10. TYPES OF COMPUTER
PERSONAL COMPUTER
 A digital computer designed for use
by only one person at a time. A
typical personal computer
assemblage consists of a central
processing unit (CPU), which
contains the computer’s arithmetic,
logic, and control circuity on an
integrated circuit.

11. TYPES OF COMPUTER
WORKSTATION
 A powerful, single-user
computer. It is like personal
computer, but it has more
powerful microprocessor
and, in general, a higher
quality monitor.

12. TYPES OF COMPUTER
Minicomputer
Small in size than the
other computers of
those times. It is used in
small businesses and
firms.

13. TYPES OF COMPUTER
Mainframe
 A powerful multi-user
computer capable of
supporting many
hundreds of thousands
of users simultaneously.

14. TYPES OF COMPUTER
Supercomputer
 An extremely fast
computer that can
perform hundreds of
millions of instructions
per second.

15. COMPUTER
HARDWARE

16. COMPUTER HARDWARE
HARDWARE
 Refers to the physical elements that make up
a computer that is physically tangible.
 Hardware works hand in hand with firmware
and software to make a computer function.

17. TYPES OF COMPUTER HARDWARE
INPUT DEVICES
 Components that send data to the computer.
OUTPUT DEVICES
 Peripheral devices that receive data from the
computer. It can be a display, projection or any other
medium.

18. INPUT DEVICES
KEYBOARD
 Is a peripheral device
that enables a user to
input text into a
computer or any other
electronic machinery.

19. INPUT DEVICES
MOUSE
 Controls a cursor in a GUI
(graphical user interface) and
can move and select text,
icons, files and folders on
your computer.

20. OUTPUT DEVICES
MONITOR
 Displays video images and text.
It is made up of circuitry, a
screen, a power supply, buttons
to adjust screen settings and
casing that holds all of these
components.

21. OUTPUT DEVICES
PRINTER
 Takes the electronic data
stored on a computer or other
device and generates a hard
copy of it.

22. STORAGE DEVICES
PRIMARY STORAGE
 Stores data temporarily. Volatile memory; when the
computer is turned off, all the data and information will be
erased.
SECONDARY STORAGE
 Store the data until the data is deleted or overridden. Stores
data permanently. Nonvolatile memory; powering off the
computer will not delete the data in it.

23. PRIMARY STORAGE
RAM (Random Access Memory)
 Allows information to be
stored and retrieved on a
computer.
 Can be accessed randomly.
 If power is lost, all data is lost.

24. SECONDARY STORAGE
HARD DISK/DRIVE
 Stores and provides relatively
quick access to large
amounts of data on an
electromagnetically charged
surface.

25. SECONDARY STORAGE
CD R (Compact Disc – Recordable)
 The disk can be written to only
once.
 They are cheap and work best
when recording data that will not
changed.
 Usually holds 74-80 minutes
(650-700mb)

26. SECONDARY STORAGE
CD RW (Compact Disc – Re Writable)
 Can be written and erased
roughly 1000 times.
 Can treat the optical disk just like
a floppy or hard disk, writing data
onto it multiple times.

27. SECONDARY STORAGE
DVD R (Digital Versatile Disc – Recordable)
 The disk can be written to only
once.
 They are cheap and work best
when recording data that will not
changed.
 Usually holds 74-80 minutes (650-
700mb)

28. SECONDARY STORAGE
FLASH DRIVE
 Are small portable storage
devices for computer data,
that typically attach to a
computer via a USB
(universal serial bus)
connection.

29. SECONDARY STORAGE
FLOPPY DISK
 A flexible removable
magnetic disk, typically
encased in hard plastic,
used for storing data.

30. INTERNAL COMPONENTS
INTERNAL COMPONENTS
Elements that directly connect with the main
functionalities of the computer.

31. INTERNAL COMPONENTS
CENTRAL PROCESSING UNIT (CPU)
 Handles all the
instructions it receives
from hardware and
software running on the
computer.

32. PRIMARY STORAGE
RAM (Random Access Memory)
 Allows information to be
stored and retrieved on a
computer.
 Can be accessed randomly.
 If power is lost, all data is lost.

33. PRIMARY STORAGE
ROM (Read Only Memory)
 Is a storage medium that is
used with computers and
other electronic devices.

34. INTERNAL COMPONENTS
MOTHERBOARD
 A printed circuit board and
foundation of a computer that is
the biggest board in a computer
chassis.
 It allocates power and allows
communication to and between
the CPU, RAM and all other
computer hardware components.

35. ELEMENTS
OF A
COMPUTER
SOFTWARE

36. COMPUTER SOFTWARE
SOFTWARE
Is a set of instructions or programs instructing
a computer to do a specific tasks.
Everything that “runs” on a computer, from an
operating system, to a diagnostic tool, video
game, or app can be defined as software.

37. TYPES OF SOFTWARE
SYSTEM SOFTWARE
 Allows operating, controlling and
extending the processing capability
of a computer.
 This software is
necessary to run hardware and
application software.
 They are the interface between the hardware and
the users. Usually, computer manufacturers develop system
software.

38. TYPES OF SOFTWARE
APPLICATION SOFTWARE
 Designed to achieve a
specific user requirement.
Some application software
are Word, Spreadsheet,
Database Management
Systems etc.

39. TYPES OF SOFTWARE
PRODUCTIVITY SOFTWARE
 is application software used for
producing information (such as
documents, presentations,
worksheet, databases, charts,
graphs, digital paintings,
electronic music and digital
video).

40. WORD PROCESSOR
WORD PROCESSOR
 A word processor is software or a
device that allows users to create,
edit, and print documents. It
enables you to write text, store it
electronically, display it on a
screen, modify it by entering
commands and characters from
the keyboard and print it.

41. BASIC PART OF WORD WINDOW

42. BASIC PART OF WORD WINDOW
 Tile Bar - displays the document name, followed by a
program name.
 Menu bar - contains a list of options to manage and
customize documents.
 Standard toolbar - contains buttons that are used for
formatting.
 Ruler - used to set margins, indents, and tabs

43. BASIC PART OF WORD WINDOW
 Insertion point - location where the next character
appears.
 End-of-document marker - indicates the end of the
document.
 Help - provides quick access to Help topics.
 Scroll bars - used to view parts of the document.

44. BASIC PART OF WORD WINDOW
 Status bar - displays the position of the insertion point
and working mode buttons.
 Task pane - provides easy access to commonly used
menus, buttons, and tools.
 View buttons - changes the layout view of the
document to Normal view, Web Layout view, Reading
Layout view, Print Layout view, Outline view and Full
Screen view.
 Office Assistant - links to the Microsoft Office Help
feature.

45. SPREADSHEET
SPREADSHEET
 Is a file made of rows and columns
that help sort data, arrange data
easily, and calculate numerical
data. What makes a spreadsheet
software program unique is its
ability to calculate values using
mathematical formulas and the data
in cells.

46. BASIC PART OF EXCEL WINDOW
 Title Bar - displays both the name of the application
and the name of the spreadsheet.
 Menu Bar - displays all of the menus available for use.
The contents of any menu can be displayed by left-
clicking the menu name.
 Toolbar - Some commands in the menus have
pictures or icons associated with them.

47. BASIC PART OF EXCEL WINDOW
 Column headings - Each Excel spreadsheet contains
256 columns. Each column is named by a letter or
combination of letters.
 Row headings - Excel spreadsheet contains 65,536
rows. Each row is named by a number.
 Name box - shows the address of the current selection
or active cell.

48. BASIC PART OF EXCEL WINDOW
 Formula Bar - displays information entered - or being
entered as you type - in the current or active cell. The
contents of a cell can also be edited in the formula bar.
 Cell - an intersection of a column and row. Each cell has
a unique cell address.
 Navigation buttons - allow you to move to another
worksheet in an Excel workbook. They are used to
display the first, previous, next, and last worksheets in the
workbook.

49. BASIC PART OF EXCEL WINDOW
 Sheet tabs - separate a workbook into specific
worksheets. A workbook defaults to three worksheets.
A workbook must contain at least one worksheet.

50. SPREADSHEET
POWERPOINT
 Is a Microsoft presentation
program that creates a slide
show of important information,
charts and images to display
during a presentation. It is most
often used for business and
school presentations.

51. BASIC PART OF POWERPOINT WINDOW

52. BASIC PART OF POWERPOINT WINDOW
 Quick Access - this button is positioned at the top left
portion, this toolbar is customizable, you can move this
in two possible locations.
 Title Bar - displays the document name
 Control Toolbox - located right top of the user
interface, where you can close, restore and maximize
and minimize the windows program.

53. BASIC PART OF POWERPOINT WINDOW
 Tab Menu - positioned below of the title bar, this
relates to the type of activity, such as relate a ribbon
menu name, like once you the home it will open as the
home ribbon menu. The tab menus are FILE, HOME,
INSERT, DESIGN, TRANSITIONS, ANIMATIONS,
SLIDE SHOW, REVIEW and VIEW.
 Ribbon Menu - contains all the commands and other
menu items that you can help to find the command
easily to finish your work.

54. BASIC PART OF POWERPOINT WINDOW
 Ribbon Menu - contains all the commands and other
menu items that you can help to find the command
easily to finish your work
 Slide Sorter - displays all slides in a single screen.
 Slide Template - this part is positioned at the center of
your interface, this is the biggest part where you can
start and put your design in Presentation, animation,
effects and more.

55. BASIC PART OF POWERPOINT WINDOW
 Animation Pane - this pane will display the animation
functions you use in your slide template.
 Zoom in and Out Sliding bar - this is used to enlarge
and decrease the view of your slide template at the
center.
 Notes pane - this pane or panel is positioned at the
bottom of your user interface which you can type notes
that you can accompany a slide.

56. BASIC PART OF POWERPOINT WINDOW
 Status Bar - shows the current page number and
position

57. ACCESS
INFORMATION
USING
COMPUTER

58. ACCESS INFORMATION USING COMPUTER
DESKTOP ICON
 is a symbol with text under it that
is displayed on the desktop. The
desktop is what is displayed
when you log in on most
operating systems. By double
clicking on an icon you can open
the folder or program related to it.

59. ACCESS INFORMATION USING COMPUTER
RECYCLE BIN
 is a location where deleted files or
folders are temporarily stored in
every version of Microsoft
Windows since Windows 95. It
allows users to recover files that
have been deleted in Windows. It is
located on the desktop.

60. ACCESS INFORMATION USING COMPUTER
WEB BROWSER
 is an Internet browser that allows users to view web
pages on the Internet. Users can also utilize browser
to listen to and watch streaming content, access
online banking, make purchases over the Internet and
much more.

61. ACCESS INFORMATION USING COMPUTER
FOLDER
 Folder (also called a directory) is
a space used to store files, other
folders, and shortcuts on a
computer.

62. ACCESS INFORMATION USING COMPUTER
MY COMPUTER
 My Computer is a Microsoft
Windows that allows you to explore
and manage the contents of your
computer drives. Although the
name has changed to the newer
versions of Windows to “This PC”,
it still has the same functionality as
“My Computer”.

63. ACCESS INFORMATION USING COMPUTER
CONTROL PANEL
 Control Panel is a section of
Microsoft Windows that
enables a user to change
various computer hardware
and software features.

64. KEYBOARDING
TECHNIQUES

65. KEYBOARDING TECHNIQUES
SOFTWARE
 Keyboarding skills are a set of skills required to
operate a keyboard smoothly while typing. This
includes understanding your computer keyboard
layout and its functions.
 It is a skill which is required whenever you need to
type. Make sure to keep your arms at home row,
master that, then move on.

66. KEYBOARDING TECHNIQUES
KEYS 1

67. KEYBOARDING TECHNIQUES
KEYS 1
• Esc Key (Escape) – exit or cancel operations
• Tab – used to indent paragraphs or move from one
text field to another
• Caps Lock – makes all letters capital until you turn it
off
• Shift - allows you to capitalize letters when pressed
down and allows you to access the secondary function
of your computer keys.

68. KEYBOARDING TECHNIQUES
KEYS 1
• Ctrl (Control) – a modifier key that performs a special
operation when pressed in conjunction with another
key or keys.
• Windows Key – open and close your windows start
menu
• Alt (Alternate) – a modifier key that performs a
special operation when pressed in conjunction with
another key or keys.

69. KEYBOARDING TECHNIQUES
KEYS 1
• Space Bar – adds one blank space between objects
• Right Click Key – allows you to access contextual
menu options based on where your mouse is on the
screen.
• Enter – starts a new line or begins a process.
• Backspace – erases the object to the left of the
cursor.

70. KEYBOARDING TECHNIQUES
KEYS 2

71. KEYBOARDING TECHNIQUES
KEYS 2
• Insert – allows you to replace a word with another by
writing over it
• Home – moves your cursor to the front of your line of
text.
• Page Up/Page Down – scrolls the page up or down.
• Delete – erases the object to the right of the cursor.
• End – moves your cursor to the end of your line of
text.

72. KEYBOARDING TECHNIQUES
KEYS 2
• Numeric Keypad – a number pad typically found on the far
right of a keyboard
• Num Lock (Number lock) – enables and disables the
numeric keypad. Turn the Num Lock on to use
the numbers on the keypad, turn it off to use the keys other
functions
• Print Screen – copies the current screen to the clipboard to
paste or sends the current screen to the printer.

73. KEYBOARDING TECHNIQUES
KEYS 2
• Scroll Lock – temporarily stops the scrolling of text.
Use is mostly restricted to Microsoft Excel
• Pause/Break – allows a user to pause and un-pause
an action such as a computer game or scrolling
text

74. KEYBOARDING TECHNIQUES
F KEYS

75. KEYBOARDING TECHNIQUES
F KEYS
 F Keys are known as Function Keys and may have a
variety of different uses or no use at all depending on
the OS and the open program. They can be combined
with modifier keys as well.

76. KEYBOARDING TECHNIQUES
F KEYS
• F1 – almost always opens a help screen in a program
• F2 – allows you to rename a highlighted file, icon, or
folder
• F3 – often opens up a search feature
• F4 – opens the address bar in Windows and Internet
Explorer. Closes the currently active program
when combined with the Alt key

77. KEYBOARDING TECHNIQUES
F KEYS
• F5 – refreshes a website or webpage
• F6 – moves the cursor to the address bar in most web
browsers
• F7 – opens up spell check in Microsoft Office programs
• F8 – enters the Windows startup menu when computer is
booting up
• F9 – refreshes a document in Word and sends email in
Outlook

78. KEYBOARDING TECHNIQUES
F KEYS
• F10 – activates the menu bar in an open program. Can
also operate as the right click when combined
with the Shift key
• F11 – activates full screen mode in all web browsers
• F12 – opens the save as window in Microsoft Office
programs.

79. KEYBOARDING TECHNIQUES
FINGER POSITION
• The Home Key - most important set of keys on the keyboard
Left hand’s fingers - A, S, D, F
Right hand’s fingers - J, K, L, ;
Thumbs – spacebar

80. KEYBOARDING TECHNIQUES
FINGER POSITION
• TOP ROW KEYS - above home row keys
Left hand - Q, W, E, R, T
Right hand - Y, U, I, O, P

81. KEYBOARDING TECHNIQUES
FINGER POSITION
• TOP BOTTOM ROW KEYS – below home row keys
Left hand - Z, X, C, V, B
Right Hand - N, M, ., /

82. KEYBOARD
SHORTCUTS

83. KEYBOARDING TECHNIQUES
KEYBOARD SHORTCUTS
 Keyboard shortcut is one or more keys used to
perform a menu function or other common functions in
a program or operating system.
 They usually are not as intuitive as point-and-click
mouse actions. However, they can be used by the
novice users in frequently used programs to get to
locations much faster than using the mouse.

84. KEYBOARD SHORTCUTS
• Alt + Esc: Switch between programs in order they
were opened.
• Alt + Letter: Select menu item by underlined letter.
• Ctrl + Esc: Open Start menu.
• Ctrl + F4: Close active document (does not work with
some applications).
• Alt + F4: Quit active application or close current
window.
• Alt + Spacebar: Open menu for active program.

85. KEYBOARD SHORTCUTS
• Ctrl + Left or Right Arrow: Move cursor forward or
back one word.
• Ctrl + Up or Down Arrow: Move cursor forward or
back one paragraph.
• F1: Open Help menu for active application.
• Windows Key + M: Minimize all windows.
• Shift + F5 Key: Move to a previous revision.
• Ctrl and A: Selects all in the current document.
• Ctrl and B: Bold text.
• Ctrl and C: Copies the item or text.

86. KEYBOARD SHORTCUTS
• Ctrl and D: Displays the Font dialogue box.
• Ctrl and E: Switch a paragraph between center and
left alignment.
• Ctrl and F: Displays the Find dialog box to search the
current document.
• Ctrl and G: Displays the Go To dialog box to search
for a specific location in the current document.
• Ctrl and H: Displays the Replace dialogue box.
• Ctrl and I: Italicize text.

87. KEYBOARD SHORTCUTS
• Ctrl and J: Switch a paragraph between justified and
left alignment.
• Ctrl and K: Create a hyperlink.
• Ctrl and L: Left align a paragraph.
• Ctrl and M: Indent a paragraph from the left.
• Ctrl and N: Create a new document.
• Ctrl and O: Opens a new document.
• Ctrl and P: Prints a document.
• Ctrl and R: Switch the alignment of a paragraph
between left and right.

88. KEYBOARD SHORTCUTS
• Ctrl and S: Saves a document.
• Ctrl and U: Underlines text.
• Ctrl and V: Pastes the copied item or text.
• Ctrl and X: Cuts the selected item or text.
• Ctrl and Y: Redo the last action.
• Ctrl and Z: Undo the last action.
• Ctrl and Enter: Insert a page break.
• Ctrl and F2: Select Print Preview command.
• Ctrl and F4: Closes the active window.
• Ctrl and F6: Opens the next window if multiple are
open.

89. PRINTERS

90. PRINTER
PRINTER
• A printer is an external hardware
output device that takes the
electronic data stored on a computer
or other device that generates a
hard copy of it. Printers are one of
the most popular computer
peripheral and are commonly used
to print text and photos.

91. TWO TYPES OF PRINTER
IMPACT PRINTERS
• An impact printer makes contact with
the paper. It usually forms the print
image by pressing an inked ribbon
against the paper using a hammer or
pins.

92. EXAMPLE OF IMPACT PRINTERS
IMPACT PRINTERS
DOT-MATRIX PRINTER
DRUM PRINTER

93. TWO TYPES OF PRINTER
NON-IMPACT PRINTERS
• Non-impact printers do not use a
striking device to produce characters
on the paper; and because these
printers do not hammer against the
paper they are much quieter.

94. EXAMPLE OF NON-IMPACT PRINTERS
NON-IMPACT PRINTERS
LASERJET PRINTER
INK JET PRINTER

95. EXAMPLE OF NON-IMPACT PRINTERS
NON-IMPACT PRINTERS
LASERJET PRINTER
PLOTTER PRINTER

96. CREDITS: This presentation template was created by Slidesgo,
including icons by Flaticon, and infographics & images by
Freepik.
END OF
CHAPTER 1 LESSON 1
Do you have any questions?
Caroline.paraiso@ustp.edu.ph
09559410821