Thursday, September 30, 2010

Journal 2 - Introduction to Computer Application (Chapter 2)

Basic Concepts Of Information Technology

What is Computer
-is an electronic devices,operating under the control of instraction stored in its own memory.

Definition
-Applied to processing,storing and transmitting information in electronic form.

Technology
-Have involved through for major stages or generation in their development of computer hardware.

Journal 2 - Introduction to Computer Application (Chapter 2)

Application Software
-Subclass of computer software
-Have some program to build interaction for aplication for the computer
system.

Software
OS
-MS-DOS
-Windows
-Unix
-Linux

AS
-Microsoft Word
-Microsoft Excel
-Microsoft Powerpoint

Antivirus
-Computer program that attampt to identify,neutralize software
-Example of Antivirus : Avast Antivirus,Kaspersky Antivirus, Avira Antivirus

What is Computer
-Is a machine for manipulating data according to a list of instraction.
Structure of Computer System

- Input > Software(Process) > Output

Journal 2 - Introduction to Computer Application (Chapter 2)

Operating System
Definition
-master control program in system
computer.
-small "boot program" load the operating
system.

Function
-user interface
-job management
-data management
-task management

Windows for OS
-Develop and maintained by Microsoft
-The Macintosh and Linux Oses,allow people to
manage files and run software programs on desktop and laptops.

Windows Versions
-Windows 98
-Windows 2000
-Windows XP
-Windows Vista
-Windows 7