1. Chapter 1 : 1.1 Computer Concepts
The source:
New perspective
Microsoft®
Office 2013
Ann Shaffer Patrick Carey Kathleen
T. Finnegan Katherine
T. Pinard Roy Ageloff
Lisa Ruffolo Robin M. Romer
Joseph J. Adamski
June Jamrich Parsons
Dan Oja
Chapter 1 : 1.1 Computer Concepts
TA. Alhanof Alolyan

2. What Is a Computer? A computer is an electronic device that
accepts information and instructions from a user,
manipulates the information according to the instructions,
displays the information in some way,
and stores the information for retrieval later
TA. Alhanof Alolyan

3. Types of Computers Desktopcomputers Notebook(laptop)computers
Tablet PCs
Subnotebookcomputers
Netbooks
Slate computers
Handheldcomputers
Smartphones
MP3players
Mainframecomputers
Supercomputers
Types of Computers
TA. Alhanof Alolyan

4. – Hardware refers to the physical components of a computer.
– Software refers to the intangible components of a computer system, particularly the programs, or lists of instructions, the computer needs to perform a specific task.
Computer Include :
TA. Alhanof Alolyan

5. The motherboard is the main electronic component of the computer
The microprocessor is one of the most important pieces of processing hardware on the motherboard
Cards are removable circuit boards
Hardware
TA. Alhanof Alolyan

6. Hardware: Memory Random access memory (RAM) Read-only memory(ROM)
Volatile memory
SDRAM
Read-only memory(ROM)
BIOS
Boot process
Nonvolatile memory
Cache memory (RAM cache or CPU cache)
Virtual memory Complementary metal oxide semiconductor memory (CMOS)
Semipermanent memory
Hardware: Memory
TA. Alhanof Alolyan

7. Storage Media Magnetic storage media Optical storage device
hard disk
Optical storage device
– CD
– DVD
– CD-R
– CD-RW
– CD-ROM
– DVD-R
– DVD+R
– DVD-RW
– DVD+RW
– BD-RE
Flash memory
Flash memory cards
USB flash drive
Storage Media
TA. Alhanof Alolyan

8. The data or instructions you type into the computer are called input
The result of the computer processing your input is referred to as output
Input and Output
TA. Alhanof Alolyan

9. Input and Output Devices
Peripheral devices accomplish input and output functions
input device : to input data and issue commands
Keyboard
Ergonomic
Pointing device
Controls the pointer
Mouse
Scroll wheel
Trackball
Touchpad
Pointing stick
Touchscreen
Scanner
Input and Output Devices
TA. Alhanof Alolyan

10. Input and Output Devices
Output devices: show you the results of processing data
Monitor
Flat panel
LCD
LED
Printer
Laser
Inkjet
Dot matrix
Input and Output Devices
TA. Alhanof Alolyan

11. This path between the microprocessor, RAM, and peripherals is called the data bus
TA. Alhanof Alolyan

12. Computer Expansion Expansion card :
Controller card
Network card (NIC)
You can put it at the Expansion slot
Computer Expansion
TA. Alhanof Alolyan

13. Software: Data Representation
Data refers to the words, numbers, figures, sounds, and graphics that describe people, events, things, and ideas
Binary digits (bits)
A series of eight bits is called a byte
Kilobyte (KB or K) = 1024 bytes
Megabyte (MB) = approx. one million bytes
Gigabyte (GB) = approx. one billion bytes
Terabyte (TB) = approx. one trillion bytes
ASCII: American Standard Code for Information Interchange
Software: Data Representation
TA. Alhanof Alolyan

14. Software: Computer file
A computer file is a named collection of stored data
An executable file contains the instructions that tell a computer how to perform a specific task
A data file is created by a user
Software: Computer file
TA. Alhanof Alolyan

15. Software: System software
System software helps the computer carry out its basic operating tasks
Operating system:
System resource
Multitasking
Application Software
Software: System software
TA. Alhanof Alolyan

16. Software: Application Software
Application software enables you to perform specific computer tasks, such as document production, spreadsheet calculations, and database management
Software: Application Software
TA. Alhanof Alolyan

17. Software: Application Software
Document production software
Web site creation and management software
Spreadsheet software
Database management software
Presentation software
Photo editing software
Video editing software
Multimedia authoring software
Accounting software
Information management software
Software: Application Software
TA. Alhanof Alolyan

18. A network connects one computer to other computers and peripheral devices, enabling you to share data and resources with others
Network type:
LAN
WAN
WLAN
PAN
WiMax
Networks
TA. Alhanof Alolyan

19. Telecommunications means communicating over a comparatively long distance using a phone line or some other data conduit
Modem: make a conversation of Digital and analog signals
DSL
Broadband connections
Telecommunications
TA. Alhanof Alolyan

20. The Internet is the largest network in the world, connecting millions of people
Internet services:
World Wide Web
A web site contain of Web page
The Internet
TA. Alhanof Alolyan

21. Security refers to the steps a computer owner takes to prevent unauthorized use of or damage to the computer
Malware such as Viruses.
Antivirus software :
Spyware
Adware
Hacking shush as Spoofed site, Phishing and Pharming.
Such for protect from hacking:
Firewall
Computer Security
TA. Alhanof Alolyan