unit 1: digital literacy
TRANSCRIPT
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BTA3O INFORMATION TECHNOLOGY
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INTRODUCTION TO INFO TECH!
http://www.youtube.com/watch?v=3vApOQb8A8k&feature=related WHAT IS INFORMATION TECHNOLOGY? What does this mean?
BRAINSTROM!
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WHAT IS IT/ICT?• Information Technology (IT)/Information
Communication Technology (ICT) is how technology is used to manage information.
• The gathering, processing, storing, and giving vocal, pictorial, textual and numerical information through computing or telecommunication.
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UNIT 1: HARDWARE and SOFTWARE
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PARTS OF A COMPUTER! • There are different parts of a computer which fall under two large categories:
1.HARDWARE2.SOFTWARE
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PARTS OF A COMPUTER• HARDWARE: is the physical parts of a
computer , they are also called peripheral devices.
• 4 categories:1.INPUT2.OUTPUT3.PROCESSING4.STORAGE
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HARDWARE 1. INPUT:INPUT: any piece of hardware equipment that is used to provide data and used to give your computer directions.
2. PROCCESSING:2. PROCCESSING: any piece of hardware equipment that is used to process the information that is being received from an input device
3. OUTPUT:3. OUTPUT: any piece of hardware equipment that is used to give data from a computer after it has been processed.
4. STORAGE:4. STORAGE: piece of hardware which saves information so it can be recalled later.
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http://www.youtube.com/watch?v=VPDy2y4AjSo
What hardware devices were mentioned in the video and what type of device are they?
The History of the Computer
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PARTS OF A COMPUTER
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SOFTWARE
• is the non physical components of a computer which perform very specific tasks.
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THE “INS” of a Computer• Networked Environment• Operating systems• Common Interface
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NETWORKING• A computer network is a collection of hardware components and computers connected by communication channels that allow resources and information to be shared.
• At least one computer is able to send/receive data to/from at lease one other computer.
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Different types of Networks:
• LAN: local area network-when computers are located close together-same building.
• WAN: wide area network-when computers are further apart and are connected by telephone lines-same area but different buildings.
• CAN: campus area networks-when computers are within a limited area-a school campus.
• HAN: home area network-when computers are contained within a persons home.
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GUESS THE NETWORK?!?!
LAN
WAN
HAN
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OPERATING SYSTEMS• An operating system is a program that runs other
programs which enable the computer’s hardware to communicate with the computer and which enables software to run.
• Operating systems are found on almost any device that contains a computer, including cell phones.
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OPERATING SYSTEMS• 4 Different types of Operating systems:
1. Multi-user: allows multiple people to run the same program at the same time.
2. Multi-processing: allows a program to run on more than one central processing unit.
3. Multi-tasking: allows more than one program to run at a time.
4.Multi-threading: allows different parts of one program to run at the same time.
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Common Operating Systems
• Windows
• MAC OS
• LINUX
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INTERFACE• Interface is how an application’s or programs
graphic or textual controls are laid out and how they respond to user activity.
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• On the desktop of your computer what do you see? And what do they mean and do?
• In a chart you will be required to find the definitions of different items that are on your desktop and explain their significance to a computer workstation.
INTERFACE
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