Digital essentials01
Backup vs sync: design a recovery plan that survives mistakes
Learn how backups and file sync handle changes, deletions, and recovery, then work through a practical plan for documents you cannot afford to lose.
TOPIC COLLECTION
Digital essentials
Practical distinctions for files, browsers, backups, and images.
Digital essentials02
Browser cache vs cookies: what to clear and why
Understand what browser cache and cookies store, work through common website problems, and choose a targeted reset without losing more data than necessary.
Digital essentials03
CSV vs JSON: choose a format without losing meaning
Compare CSV and JSON with a small equipment-loan example, learn where conversions lose information, and check identifiers, empty values, and nested records.
Digital essentials04
Pixels vs vector: choosing images for screens and print
Use a poster and website example to understand raster pixels, vector shapes, scaling, print resolution, and why changing an extension cannot restore detail.