Note pack 1 Flashcards
Crowdfunding
Raising small amounts of money from large groups of people to fund a venture or project, typically via the internet
Bots
Automated programs that run tasks on the internet, can be malicious or not malicious
RAM vs ROM
RAM: used to temporarily store actively in use info, allows quick access to data and systems in use
ROM: used to permanently store start-up instructions of a computer, allows computer to boot up
GHz
- Used to measure the speed of a CPU
- Equal to a billion hertz
Quad Core
This processor has four individual cores that read and execute instructions, allowing for better multitasking and performance
Touch screen technology
Uses capacitive or resistive technology to detect touch of finger or stylus
OS functions
- User interface: Graphical interface for user interaction
- Application management: Manages execution of apps
- Resource management: Manages hardware resources like CPU
- Security: Provides services like authentication and encryption
- Connectivity: Manages network connections like bluetooth and wifi
Utility tools
- System management tools that help maintain and control computer resources
- Disk defragmentor, disk scanner
Disk Scanners
- Check the hard drive for errors and fix bad sector
Disk defragmentor
- Reorganises fragmented data on a hard drive
SSD don’t have to be defragmented because data is electronically saved
Mobile Hotspot
- A device or feature that allows you to share your mobile internet connection with another device
Importance of updating software
Ensures you have the latest features and bug fixes
Types of licences
- Single-use: Licence for one user/device
- Freeware: Software available for free
- Shareware: Software that is initially for free but may require payment for full functionality
- Proprietary software: Software owned by a company or individual with restrictions on its use
- Site licence: Software may be installed an unlimited amount of times but must be used at its registered location
Big Data
Extremele large sets of data that can be analysed with computers to reveal patterns and trends
Healthcare, scientific research, finance, marketing
IoT
- A network of devices connected to the internet allowing them to collect and exchange data
- Used to improve efficiency and reduce costs through automation and data analysis
Internet
Shaped vs Unshaped
- Shaped: internet traffic is prioritised based on type which may slow down certain activities
- Unshaped: all traffic is treated equally with no prioritisation
VPN
- Virtual Private Network
- Creates a secure connection on the internet to insure privacy and protect data
- Used to enhance security, access restricted data and maintain privacy
Mail Merge
Combining information in a publication with information in a data source (a file with the info that will be added to the merge)
Metadata
- Data that provides information on other data like file size or date
Excel
Argument
Values that functions use to perform calculations
Excel
Wildcards
they represent one or more characetr in a search
Excel
Absolute cell referencing vs relative cell referencing
- Absolute: it remains constant even if the formula is copied or moved
- Relative: it changes when the formula is copied or moved
Excel
When the formula is referring to a name that excel does not recognise
HTML
Static vs dynamic websites
- Static: Displays fixed content that does not change
- Dynamic: content displayed can change based off of user interactions or other factors
html
CMS
Content Management System
Software used to manage and create digital content, usually used to create dynamic websites
AI
Simulation of human intelligence in machines that are built to learn and think
AI Pros
- Automate repetitive tasks
- Diagnosing diseases
- Save time
- Can provide personalised experiences
AI Cons
- Job displacement
- Can perpetuate biases in data
- Privacy infringements
- Vulnerable to hacking
Netiquette
- Correct and acceptable way of communicating on the internet
