Digital storage sizes are
bytes, kilobytes, megabytes, gigabytes, terabytes
RAM
Random access Memory and Ram is violate memory, which means that when the computer is powered off all information stored in RAM is lost.
Hardware and its components
physical components in computer system. Hardware components are the CPU, Motherboard, hard drive, and RAM
Software
data that control how the computer operates
input device and some examples
a hardware component that sends data, commands, and signals to a computer or information processing system and some devices are keyboards, mice, scanners, microphones, and webcams
output devices and some examples
hardware that converts data from a computer into a format, such as visual, audio, or tactile info and some devices are monitors, printers, and speakers.
Internet and the World Wide Web
Internet is a global system of interconnected devices. Internet usualy is the networking hardware and physical computing devices that make up the Internet
World Wide Web is a global system of interconnected documents accessed by the Internet, that uses hyperlinks to link pages, images, videos, and other content using web browsers and protocols like HTTP.
hyperlink and URL
hyper link is a clickable areas that bring you to a web page or a specific document
Uniform Resource Locator locates resources on the internet, such as web pages, images, or files.
binary code
the language computers use to process information and consists of 1’s and 0’s
email terminology
cc(Carbon Copy): Send copies to others (visible to all)
Bcc (Blind Carbon Copy): Send copies secretly (invisible to other recipients)
Subject Line: Brief summary of the email’s content
Signature: Sender’s contact info, title, etc. at the end.
Attachment: A file (doc, image, etc.) sent with the email
online storage
lets you save files on internet servers for access from anywhere
local file storage v. cloud storage
local storage prevents the need of repairing the laptop phone or computer to regain the stored things but can only be accessed on wifi
cloud storage can be accessed anywhere at anytime but the device needs to be fixed to save the stored things if broken
major operating systems are
Microsoft Windows 10
Microsoft Windows 7
Microsoft Windows mobile
Apple Mac OS
Apple iOS – mobile
Linux
Android – Mobile
common file extensions are
document files .docx
spreadsheet files .xlsx
presentation files .pptx
PDF documents .pdf
image files .jpg/png
copyright law
copyright law protects content like books and music so they can not be directly copied
public domain
stuff that is able to be used by anyone cause of the lack of a copyright or has a expired copyright
online safety things
Two-Factor Authentication
strong passwords
firewalls
email etiquette and safety
subjects, grammar, tone
security protects data with strong passwords, phishing, avoiding suspicious links/attachments, and never sending sensitive info like SSNs or credit card numbers via unsecured email.
collated v. uncollated printing
collated printing prints the entire document from first to last and repeats so there is the same amount of pages
uncollated printing prints however many copies you want of one page
serif and san serif
serif font examples are times new roman and Garamond and is better to read on paper
sans serif font examples are arial and centric gothic and is easier to read on a screen.
subscript and superscript
subscript is text that appears below the baseline of text and can be used for molecules like H2O or CO2
superscript is text that is shown above the baseline of the text and can be used with (tm) or a squared number 2^2
text formatting and when it is used when
font, color, font size, bold, italics all are used to show emphasize on a word or signal when a new topic has started.
web page applications desktop application
web page application is software accessed via a web browser over the internet
Desktop applications are software programs installed and run directly on a computer’s operating system like Windows, macOS, Linux
web technologies
hypertext mark up language(HTML): Provides the structure and content of the web page
Cascading Style Sheets(CSS): Controls the visual appearance and layout (colors, fonts, layout, responsiveness) of the HTML content.
JavaScript: Adds interactivity and dynamic behavior (animations, clickable buttons, form validation, real-time updates).
