Cloud computing means running apps and storing data on remote servers instead of your own device. People use it for scalability, lower upfront costs, backups, and access from anywhere. Common examples include cloud storage, hosted databases, and serverless apps.
AI is the broad idea of computers doing “smart” tasks. Machine learning (ML) is a subset of AI where systems learn patterns from data. Deep learning is a subset of ML that uses neural networks with many layers, often powering image recognition and large language models.
Look for HTTPS, clear privacy policies, and reputable authentication methods (like passkeys or MFA). Check if the company publishes security updates and has a vulnerability disclosure or bug bounty program. Also watch for red flags like excessive permissions or sketchy download sources.
2FA adds a second proof (like an authenticator code or security key) in addition to your password. Yes—enable it on important accounts like email, banking, cloud storage, and social media. Stronger options include authenticator apps and hardware security keys (better than SMS).
Passkeys are a modern login method that uses cryptographic keys stored on your device (often unlocked with biometrics). They reduce phishing risk because the key won’t work on a fake site. In many cases, they’re more secure and easier than passwords.
Start with your main tasks: office work needs reliability and battery life; creative work needs CPU/GPU and RAM; gaming needs a strong GPU and good cooling. Key specs to compare: CPU, RAM (often 16 GB is a solid baseline), storage type (SSD), display quality, and ports. Also consider weight, keyboard quality, and warranty.
RAM is short-term memory used while apps are running—more RAM helps multitasking and performance. Storage is long-term space for files and installed apps—SSDs are much faster than HDDs. If your computer feels sluggish, upgrading to an SSD and/or adding RAM often helps.
Common causes include weak Wi‑Fi signal, network congestion, router issues, or ISP problems. Quick steps: restart modem/router, test with Ethernet, run a speed test, move closer to the router, and change Wi‑Fi channels. If only one device is slow, it may be device settings or background downloads.
A VPN encrypts your traffic between your device and the VPN provider, which can help on public Wi‑Fi and can mask your IP from the sites you visit. It does not make you fully anonymous, and you’re trusting the VPN company with your traffic. Use it for safer public browsing, remote work access, or location-based access when legitimate.
Use the 3-2-1 backup rule: 3 copies of your data, on 2 different types of storage, with 1 offsite (cloud or external drive stored elsewhere). Keep devices updated, use MFA, and avoid unknown links/attachments. For businesses, add endpoint protection and tested incident response plans.
Get the latest course releases and learning insights delivered straight to your inbox each week.
By subscribing you agree to our Privacy Policy and consent to receive updates from SkillNet.