✅ 1. What is a Computer? Consider a computer as a super-smart machine that is theoretically always on and is ready to accept just about anything you throw at it: input, processing, storage and output. They include laptops, desktops, smartphones and even ATMs. ✅ 2. Main Parts of a Computer 1. CPU (Processor)--should be thought of as the main brain of the computer: all action begins and ends with the CPU. 2. Monitor-this is where the output of the computer will be literally seen otherwise known as what is on the screen. 3. Keyboard- you will use the keyboard to type into the computer. 4. Mouse-use it to point, click and navigate. 5. Hard Disk / SSD- these are the places that all the data is stashed. ✅ 3. Types of Computers There are three major types of computers which are studied in computer science classes, desktops, laptops, and tablets or mobiles. Desktop computers are the old school that you would imagine when you look at an ordinary office environment or a home ...