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Questions and Answers
What is Information Technology. Give three examples.
What is Information Technology. Give three examples.
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What can IT be used for?
What can IT be used for?
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What are the four functions of a computer?
What are the four functions of a computer?
Input, storage, processing, output.
What Is data and information?
What Is data and information?
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What is Hardware?
What is Hardware?
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What are the main components of a computer?
What are the main components of a computer?
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What is CPU speed measured in?
What is CPU speed measured in?
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What are advantages and disadvantages of three different storage devices?
What are advantages and disadvantages of three different storage devices?
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Name 3 peripheral devices.
Name 3 peripheral devices.
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What are the two types of software?
What are the two types of software?
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What is a GUI?
What is a GUI?
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What is a desktop?
What is a desktop?
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What are the typical features of a computer?
What are the typical features of a computer?
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What are the 2 types of networks and what's the difference between them?
What are the 2 types of networks and what's the difference between them?
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What are the 2 different networking methods?
What are the 2 different networking methods?
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What are the network topologies?
What are the network topologies?
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What does firewall and VPN software do?
What does firewall and VPN software do?
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What is a word processor?
What is a word processor?
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What are the 4 word processor alignments?
What are the 4 word processor alignments?
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What does a spreadsheet software allow users to do?
What does a spreadsheet software allow users to do?
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What is a cell?
What is a cell?
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What is absolute cell referencing?
What is absolute cell referencing?
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What types of info can you enter into a spreadsheet?
What types of info can you enter into a spreadsheet?
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What are the main parts of a graph?
What are the main parts of a graph?
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What are the different types of charts and what are they used for?
What are the different types of charts and what are they used for?
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How should you protect yourself online?
How should you protect yourself online?
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What does a multimedia presentation/ software include?
What does a multimedia presentation/ software include?
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What are the main features of a presentation software?
What are the main features of a presentation software?
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Study Notes
Information Technology
- Information Technology (IT) refers to the use of computers and telecommunications to store, retrieve, and transmit data.
- Examples of IT include:
- Computer hardware and software
- Telecommunications (e.g. internet, phone)
- Databases and data storage
Functions of a Computer
- The four functions of a computer are:
- Input: receiving data or instructions
- Processing: executing instructions and performing calculations
- Storage: holding data or program instructions
- Output: displaying or producing the results
Data and Information
- Data refers to raw, unorganized facts and figures
- Information refers to organized, meaningful, and useful data
Hardware
- Hardware refers to the physical components of a computer system
- Examples of hardware include:
- Central Processing Unit (CPU)
- Memory (RAM)
- Storage devices (e.g. hard drive, solid state drive)
Components of a Computer
- The main components of a computer are:
- CPU (brain of the computer)
- Motherboard (main circuit board)
- Memory (RAM)
- Storage devices (e.g. hard drive, solid state drive)
- Input devices (e.g. keyboard, mouse)
- Output devices (e.g. monitor, printer)
CPU Speed
- CPU speed is measured in Hertz (Hz), typically in gigahertz (GHz)
Storage Devices
- Advantages and disadvantages of different storage devices:
- Hard Drive: high storage capacity, low cost, but slow access time and prone to mechanical failure
- Solid State Drive (SSD): fast access time, low power consumption, but high cost and limited storage capacity
- Flash Drive: portable, high storage capacity, but slow access time and limited rewrite cycles
Peripheral Devices
- Examples of peripheral devices:
- Printer
- Scanner
- Speakers
Software
- The two types of software are:
- System software (e.g. operating system, device drivers)
- Application software (e.g. word processor, spreadsheet, games)
Graphical User Interface (GUI)
- A GUI is a visual interface that allows users to interact with a computer using icons, menus, and windows
Desktop
- The desktop is the main interface of a computer's operating system, where users can access files, programs, and settings
Typical Features of a Computer
- Typical features of a computer include:
- Desktop
- Taskbar
- Icons
- Windows
Types of Networks
- The two types of networks are:
- Local Area Network (LAN): connects devices in a limited geographic area
- Wide Area Network (WAN): connects devices over a larger geographic area
Networking Methods
- The two different networking methods are:
- Wired networking (e.g. Ethernet)
- Wireless networking (e.g. Wi-Fi, Bluetooth)
Network Topologies
- Common network topologies include:
- Bus topology
- Star topology
- Ring topology
- Mesh topology
Firewall and VPN Software
- Firewall software protects a computer from unauthorized access
- VPN (Virtual Private Network) software encrypts internet connections for secure communication
Word Processor
- A word processor is a software application that allows users to create, edit, and print documents
Word Processor Alignments
- The four word processor alignments are:
- Left alignment
- Right alignment
- Center alignment
- Justified alignment
Spreadsheet Software
- Spreadsheet software allows users to:
- Enter and store data in a table format
- Perform calculations and analysis on data
- Create charts and graphs
Cell in a Spreadsheet
- A cell is a single unit of data in a spreadsheet, identified by a row and column number
Absolute Cell Referencing
- Absolute cell referencing refers to a cell reference that remains fixed, even when the formula is copied to another cell
Types of Data in a Spreadsheet
- Types of data that can be entered into a spreadsheet include:
- Numbers
- Text
- Dates
- Formulas
Parts of a Graph
- The main parts of a graph include:
- Title
- Axes (x-axis and y-axis)
- Data points
- Legend
Types of Charts
- Different types of charts and their uses:
- Bar chart: compares categorical data
- Pie chart: shows proportion of data
- Line chart: shows trends over time
- Column chart: compares categorical data
Online Protection
- To protect yourself online, you should:
- Use strong passwords and keep them confidential
- Be cautious of phishing scams and spam emails
- Keep software and operating system up to date
Multimedia Presentation Software
- A multimedia presentation software includes:
- Text
- Images
- Audio
- Video
- Animation
Features of a Presentation Software
- The main features of a presentation software include:
- Slides
- Templates
- Transitions and animations
- Collaboration tools
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Test your knowledge of business structures in this quiz designed for Grade 9 Ontario Business students. Identify the characteristics of sole proprietorships, disadvantages of partnerships, and features of corporations. Sharpen your understanding of different business types with this engaging quiz.
