The Brain of the Computer
What is a Computer?
Talking to the Computer
Connecting to the World
Memory and Storage
by NANCY DICKMANN
Input
An input device is a tool that lets us give a computer information or instructions.
- keyboard
- scanner
- microphone
- mouse.
- touchscreen
- webcam
- game controller
- barcode scanner
Output
A computer sends information to an output device.
What is a Computer?
A computer is a type of machine. Computers can do lots of jobs.
- Computers can store data and retrieve it.
- They can follow instructions and look for patterns in data.
- You can use computers to type reports, play games, or send messages.
Memory and Storage
One of a computer's most important jobs is storing data.
RAM is one of the main types of computer memory. It is a chip that attaches to the motherboard. RAM stores data while the CPU is working on it. Your files are saved on a hard drive. This is called storage. It is different from memory.
The CENTRAL PROCESSING UNIT (CPU) is the most important part of any computer.
Computers are most useful when they can connect other computers. Sometimes computers connect using cables. Other connections don't need wires. This is called Wi-Fi.
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Wendy Miller
Created on November 22, 2024
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Transcript
The Brain of the Computer
What is a Computer?
Talking to the Computer
Connecting to the World
Memory and Storage
by NANCY DICKMANN
Input
An input device is a tool that lets us give a computer information or instructions.
Output
A computer sends information to an output device.
What is a Computer?
A computer is a type of machine. Computers can do lots of jobs.
Memory and Storage
One of a computer's most important jobs is storing data.
RAM is one of the main types of computer memory. It is a chip that attaches to the motherboard. RAM stores data while the CPU is working on it. Your files are saved on a hard drive. This is called storage. It is different from memory.
The CENTRAL PROCESSING UNIT (CPU) is the most important part of any computer.
Computers are most useful when they can connect other computers. Sometimes computers connect using cables. Other connections don't need wires. This is called Wi-Fi.