HS IT Exam: Computer Hardware and Online Safety

Hardware Components

• The "brain" of the computer is the CPU (Central Processing Unit), which is located on the motherboard.
• The CPU is held in a socket or case on the motherboard.

Online Safety

• When online, never share your password with anyone except your parents.
• Sharing your password with others can compromise your online safety.

Computer Terminology

• A personal computer is also known as a PC.
• Sound is input through a device such as a microphone or speakers.

Networking Devices

• A modem connects to the internet, while a router connects devices to the network.
• There are two types of printers: inkjet and laser, with inkjet being the most common type found at home.

Data Representation

• A byte is composed of 8 bits.

Digital Citizenship

• The 3 rings of responsibility are: myself, my community, and my world.

Information Literacy

• Good literacy skills involve slowing down to verify information with reputable sources before sharing.
• Bad literacy skills involve quickly sharing stories without verifying their accuracy.

Google Keep

• Google Keep is a note-taking app that allows users to jot down quick notes and reminders.
• Google Keep can be accessed through the Google Drive menu, the Google Keep website, or the mobile app.
• Features of Google Keep include:
  • Color-coding notes
  • Adding reminders
  • Creating to-do lists
  • Sharing notes with others
  • Adding photos and audio to notes

Google Drawings

• Google Drawings can be accessed through the Google Drive menu or the Google Drawings website.
• The polyline tool is used to create custom shapes and lines.
• Google Drawings is useful for creating diagrams, flowcharts, and other visual aids.
• The polyline tool is used to create custom shapes and lines.

Stop Motion

• Stop Motion is a technique used to create animated videos by taking multiple photos and playing them in sequence.
• Creating a background before creating Stop Motion is important because it provides a consistent setting for the animation.
• Using multiple duplicate slides for Stop Motion when working with text or words is important because it allows for smooth animation.
• To duplicate a slide, use the keyboard shortcut Ctrl+D (Windows) or Command+D (Mac).
• To put a Stop Motion project on a loop, click on the "Publish" button and select "Loop" from the options.

Google Docs

• When creating a Table of Contents, it's most important to link pages correctly.
• To put text to the side of an image, use the "Wrap text" feature.
• It's important to drag from the corner "handle" when resizing an image to maintain its aspect ratio.

Google Sites

• The "Preview" icon should be used often to ensure the site is displaying correctly.
• It's important to include the source of images used from the internet to avoid copyright infringement.
• To create a new page, click on the "New page" button.
• The "Content Blocks/Templates" are located in the "Insert" menu.

Computer Science Definitions

• Compiler: a language that translates source code into binary form.
• Supercomputer: a high-speed computer for complex work.
• Input devices: devices that allow users to input text, images, and sound.
• If-statements: define conditions that must be met for the program to move to the next step.
• Read-only memory (ROM): a set of chips that starts the computer when it is turned on.
• Algorithm: a sequence of instructions.
• Circuit: a network of connected electronic components.
• Motherboard: where the CPU (central processing unit) is located.
• Server: a computer accessed by users on a network.
• Repetitive Strain Injury (RSI): a condition caused by making the same movements again and again.
• Scanner: lets you input printed images into a computer.
• Bit: the basic unit of data a digital computer can understand.
• LCD or CRT: CRTs are heavy, take up space, use more electricity, and heat up easily, whereas LCDs are more modern and efficient.
• Custom Software: software programs designed to do a very specific job.

Google Sheets Definitions

• Data Validation: restricts the input data in a cell to a specific format.
• Sorting: arranging data in a specific order.
• Spreadsheet: a table of data with rows and columns.
• Cell: a single unit of data in a spreadsheet.
• Freeze: locking specific rows or columns in place.
• Filter/Filter View: narrowing down data to specific criteria.
• Functions: pre-built formulas that perform calculations.
• Average: a calculation that finds the mean value.
• Conditional Formatting: formatting cells based on specific conditions.
• Charts: visual representations of data.
• Links: connections between cells or sheets.

Coding Definitions

• Code: a set of instructions written in a programming language.
• Script editor: a tool used to write and edit code.
• Deployment: the process of releasing code to users.
• String: a sequence of characters.
• Debugging: the process of finding and fixing errors in code.