Computer
How does my computer communicate with other systems?
1. Understanding Data Communication
Data communication refers to the exchange of data between two or more devices. It allows computers to share information, access resources, and connect with other networks.
2. Using Network Protocols
Protocols are standardized rules that determine how data is transmitted over a network. Common protocols include TCP/IP and HTTP/HTTPS.
3. Establishing a Connection
Connection types include wired (Ethernet) and wireless (Wi-Fi). The computer sends a request to connect to another device.
4. Data Transmission
Once connected, the computer sends data packets over the network. Each packet contains source and destination IP addresses.
5. Ensuring Data Integrity
Protocols like TCP check for errors in data packets and request retransmission if necessary. The receiving device sends an acknowledgment back to confirm correct receipt.
6. Communication Applications
This process supports various applications such as web browsing, email, file sharing, and online gaming.
How does my computer get power?
Your computer receives power through a power supply unit that converts electricity from the wall outlet into usable power...
What happens when I press a key on my keyboard?
When you press a key, it sends a signal to the computer, which processes the input and displays it on the monitor...
How does a computer store data?
A computer stores data using various storage devices, including hard drives, SSDs, and memory. Data is written in binary format, and storage technologies determine how quickly and reliably data can be accessed...
Networking
How does a call connect when you dial?
When you dial a number, your phone sends the dialed number to the mobile network provider, which connects your call through several steps...
What is a network protocol?
A network protocol is a set of rules that allows devices to communicate with each other on a network...
How do routers work?
Routers manage data traffic between different networks by forwarding data packets to their intended IP addresses...
Programming
What is a programming language?
A programming language is a formal set of instructions that can be used to produce various kinds of output, including software applications...
Why are coding standards important?
Coding standards help maintain consistency in code, making it easier to read and maintain, and promoting best practices among developers...
How does version control work?
Version control systems track changes in files over time, allowing you to revert to previous versions and collaborate effectively with others...
Cloud
What is cloud computing?
Cloud computing is the delivery of various services over the internet, including data storage, processing power, and applications...
How does cloud storage work?
Cloud storage allows you to store data on remote servers accessed via the internet instead of on local computers or devices...
Electronics
What is a microcontroller?
A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system...
How do capacitors work?
Capacitors store and release electrical energy in a circuit, acting as temporary batteries...