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Questions and Answers
What is the primary function of RAM in a computer system?
What is the primary function of RAM in a computer system?
Which components are involved in a simple communication system?
Which components are involved in a simple communication system?
What is one advantage of utilizing a Local Area Network (LAN)?
What is one advantage of utilizing a Local Area Network (LAN)?
Which stage is NOT part of the design process?
Which stage is NOT part of the design process?
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What is the primary function of the Central Processing Unit (CPU) in a computer system?
What is the primary function of the Central Processing Unit (CPU) in a computer system?
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What role does packet switching play in a network?
What role does packet switching play in a network?
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Which component is responsible for temporarily storing frequently accessed data in a computer system?
Which component is responsible for temporarily storing frequently accessed data in a computer system?
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What does Hypertext Transfer Protocol Secure (HTTPS) indicate about a web page?
What does Hypertext Transfer Protocol Secure (HTTPS) indicate about a web page?
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What is one purpose of the Internet Protocol?
What is one purpose of the Internet Protocol?
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What do the primary colors in traditional color theory consist of?
What do the primary colors in traditional color theory consist of?
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Which of the following best describes the role of the motherboard in a computer system?
Which of the following best describes the role of the motherboard in a computer system?
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What happens when a computer runs out of RAM?
What happens when a computer runs out of RAM?
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What characterizes desaturation of a color?
What characterizes desaturation of a color?
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What is the purpose of the Transmission Control Protocol (TCP) in a network?
What is the purpose of the Transmission Control Protocol (TCP) in a network?
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Which of the following best defines a network?
Which of the following best defines a network?
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What is the primary role of an input device in a computer system?
What is the primary role of an input device in a computer system?
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What is the primary function of a web browser?
What is the primary function of a web browser?
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What does a firewall primarily do in a computer network?
What does a firewall primarily do in a computer network?
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Which of the following best describes the URL?
Which of the following best describes the URL?
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What is a characteristic of Web 1.0?
What is a characteristic of Web 1.0?
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How does a computer's CPU performance relate to clock speed?
How does a computer's CPU performance relate to clock speed?
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What is the purpose of hypertext markup language (HTML)?
What is the purpose of hypertext markup language (HTML)?
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What does the term 'upload' refer to in data transfer?
What does the term 'upload' refer to in data transfer?
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Which of the following best defines 'byte'?
Which of the following best defines 'byte'?
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Study Notes
RAM
- Stores data and instructions the CPU needs quickly.
Components of a Simple Communication System
- Sender: Initiates communication
- Receiver: Gets the message.
- Encoder: Converts message into transmittable form.
- Decoder: Converts the message back to its original form.
Power Supply Unit
- Provides electricity to the computer's components.
Local Area Network (LAN)
- Shares resources like printers, storage, software, and data.
Motherboard
- Connects the CPU to all the other components, allowing data to flow between them.
Design Process Stages
- Design Brief: Outlines the problem and desired outcome
- Creative Process: Exploring ideas and generating solutions
- Planning and Execution: Organizing and implementing the design
- Prototype or Dummy: A working model for testing and refinement
- Implementation: Realizing the final design
Simple Mail Transfer Protocol (SMTP)
- Used to send emails.
Router
- Transmits network data packets to their destination.
Primary Colors
- Red, Yellow, and Blue
Desaturated Color
- A color that is less intense than its original form.
RAM and System Performance
- Higher RAM allows for more applications to run simultaneously without slowing down the computer.
Packet Switching
- Efficient use of network resources by breaking data into packets.
- Contributes to robust and reliable networks.
- Often more cost-effective than circuit switching.
Internet Protocol (IP)
- Defines rules for routing data packet between sender and receiver.
- Creates standardized protocols for devices from different manufacturers.
- Assigns unique numerical addresses to devices on a network.
Local Area Network (LAN)
- Usually found in schools and businesses located in a small area.
Router
- Connects two or more networks by acting as a traffic controller for network signals.
Color Saturation
- Refers to the intensity or brilliance of a color.
Form and Space
- Form relates to the elements or parts of a design, while space is the area around and between those elements.
Secure Connections
- URLs with "https" are secure.
Color Value
- Represents the lightness or darkness of a color.
Color Temperature
- Describes the subjective feeling of warm or cool associated with a color.
Design Rules
- Have a clear concept or idea.
- Maintain a consistent visual style.
- Use impactful elements to create emphasis.
Central Processing Unit (CPU)
- Executes instructions and performs calculations.
Cache
- Temporarily stores frequently used data to improve performance.
Internet
- A network of networks connecting computers globally.
Hypertext Transfer Protocol Secure (HTTPS)
- Protocol for secure communication over the internet.
- Uses encryption to protect personal information and passwords.
Basic Input/Output System (BIOS)
- Initializes hardware components when the computer starts up.
Motherboard
- Manages communication between hardware components.
Hard Drive
- Stores and retrieves large amounts of data long-term.
Graphics Processing Unit (GPU)
- Processes video and images to free up the CPU (Central Processing Unit).
Transmission Control Protocol (TCP)
- Manages the rate of data transmission between sender and receiver.
Graphics Processing Unit (GPU)
- Renders images and graphics on the computer screen.
Network
- A group of connected computers that can share resources and communicate.
Virtual Memory
- When RAM is full, the computer uses hard drive space as temporary memory.
Line
- Unifies areas within a design.
CPU Function
- Processes input, stores data, and outputs results.
Input Devices
- Devices used to enter data and commands into the computer.
Communication System
- A combination of hardware, software, and communication facilities.
Modem
- Converts digital signals to analog signals for transmission.
Importance of HTTP and HTTPS
- Protocols that enable information transmission across the Internet.
- The most common method for online communication.
Channel
- The physical pathway that connects sender and receiver.
CPU Clock Speed
- Higher clock speed results in faster instruction processing.
Web Browser
- Used to view and navigate websites.
Firewall
- Prevents unauthorized access to a computer network.
Hue
- Refers to the color's identity or name, such as red, green, or blue.
Website
- A collection of web pages and related content accessible through a common domain name.
Hypertext Markup Language (HTML)
- A coding language that tells web browsers how to display content such as text, images, multimedia, and links.
Web Page
- A document accessible through a web browser.
Social Media
- Websites and apps used for sharing comments, photos, and videos online.
Web Application
- An application program stored on a remote server and accessed through a browser interface.
Disadvantages of Web 1.0
- Read-only with limited user interaction.
- Lack of standardisation.
Examples of Web 1.0
- Mp3.com
- Home Page Directories
- Page Views
- HTML/Portals
System Unit
- The physical enclosure containing the computer's electronic components.
RAM Volatility
- Information stored in RAM is erased when the computer is turned off.
Read-Only Memory (ROM)
- Used for boot-up process or system initialization.
Internet: Global Connection
- A network of networks connected through data lines and wireless systems.
Uniform Resource Locator (URL)
- The address used to access a resource on the World Wide Web.
Bit
- A single digit in the binary numbering system (base 2).
Byte
- Typically consists of eight bits.
Upload
- Transferring data from your computer to another computer.
Download
- Transferring data from another computer to yours.
Hypertext Transfer Protocol (HTTP)
- The standard for communication of web pages.
- Ensures links, text, and pictures work correctly in web browsers.
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Description
Test your understanding of essential computer science concepts including RAM, communication systems, and LAN. This quiz covers the basic components of a computer, their functions, and the design process. Perfect for students looking to reinforce their foundational knowledge.