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 Desktop computers Notebook(laptop)computers
Tablet PCs
Netbooks
Smartphones
MP3players
Mainframe computers
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
Hardware
TA. Alhanof Alolyan

6. Hardware: Memory Random access memory (RAM) Volatile memory
Read-only memory(ROM)
Nonvolatile 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
Flash memory
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
Pointing device
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
Printer
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. Software: Data Representation
Data refers to the words, numbers, figures, sounds, and graphics that describe people, events, things, and ideas
Data Representation :
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

13. 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

14. Software: System software
System software helps the computer carry out its basic operating tasks
Operating system
Software: System software
TA. Alhanof Alolyan

15. 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

16. 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

17. A network connects one computer to other computers and peripheral devices, enabling you to share data and resources with others
Network type:
LAN ( Local Area Network)
WAN ( Wide Area Network)
Networks
TA. Alhanof Alolyan

18. Telecommunications means communicating over a comparatively long distance using a phone line or some other data conduit
Modem
DSL
Broadband connections
Telecommunications
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19. 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

20. Security refers to the steps a computer owner takes to prevent unauthorized use of or damage to the computer
Malware such as
Viruses.
Spyware
Adware
Antivirus software :
Kaspersky
Norton
Computer Security
TA. Alhanof Alolyan