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What is Computer Science?
• Math, Science, Engineering
• What is a Computer?
Hardware: The physical components
• What is a Computer?
• CPU – Makes a computer easy to use. Executes commands of a program
• What is a Computer?
Input/ Output (I/O) Devices: Allows us to use the computer. • Keyboard, mouse, mic, monitor, speakers, printer
• What is a Computer?
Secondary Memory: holds Software “forever”…Programs are stored here • Hard Drive (Hard Disk) • Thumb Drives
• What is a Computer?
Main Memory: holds software while it’s being processed by the CPU • Data instructions are pulled from Secondary Memory, and then stored in main memory for quick access (increased speed) • Info is lost when power is turned off.
Software: Something you install onto your computer that has its own code. The programs/ applications that run on your hardware
Operating System (OS) • Windows • macOS • ChromeOS • iOS • Linux • Android