2 Computer Connections - Lesson 1: Outer Hardware 1. The TOWER case or DESKTOP case houses all of the important computer components. It has places or drives to insert floppy DISKS or CDs.2. What does CD-ROM mean? COMPACT DISK READ ONLY MEMORY3. The two most common ways to input information into the computer are the KEYBOARD and the MOUSE. A SCANNER is another type of input device that allows you to put images into the computer. You can also input photographs into a computer with a DIGITAL CAMERA.4. OUTPUT devices display information in a way that you can you can understand. The most common output device is a MONITOR, which looks a lot like a TV. SPEAKERS are output devices that allow you to hear sound. Computers are also connected to PRINTERS, which prints the information you see on a computer screen.
3 Computer Connections - Lesson 2: Hardware on the Inside Computers are made of many electronic COMPONENTS or parts. Each one has a special JOB and they work together to make your computer operate.Match each component its best description.C Power SupplyG MotherboardF Sound CardE Video CardD ModemB CPUA BIOSA chip that wakes up the computer when you turn it on and reminds it what parts it has and what they do.Acts as the brain of a computer by controlling information and telling other parts of the computer what to do.Converts electricity from your house to a current that works for your computer.Expansion card that allows computers to talk to each other.Handles graphics that are displayed on the monitor.Special circuits for operating the computer’s sound.The largest circuit board that holds all of the most important parts of the computer and has many smaller boards plugged into it.
4 Computer Connections - Lesson 2: Hardware on the Inside 7. RAM stands for RANDOM ACCESS MEMORY. It is made of chips that will remember what you tell them and can even change to remember new information, but forgets everything you told it when the computer is SHUT DOWN. ROM stands for READ ONLY MEMORY. and is good at remembering, but cannot change it's mind. It holds INFORMATION that is built into it.8. PORTS are the places on the outside of the computer case where you plug in hardware and are connected to expansion cards on the inside of your computer. They are controlled by their expansion cards which are plugged into the MOTHERBOARD and are connected to other components by CABLES, which are long, flat bands that contain electrical WIRES.9. The three most common disk drives are the HARD DRIVE, FLOPPY DISK, drive and CD-ROM.
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