Internal drives are installed within computers, external drives connect via USB/FireWire. Internal drives are faster due to direct motherboard connection. External drives are more prone to physical damage and USB converter failures
Storage units range from byte (8 bits) to yottabyte (1024 yottabytes). Each unit level is 1,024 times larger than the previous one. 1 TB equals 1,024 GB, 1,048,576 MB, 1,073,741,824 KB, or 1,099,511,627,776 B
Edge passwords are stored in Windows Credential Manager under Web Credentials. Passwords are encrypted in Windows Registry at specific path
File extensions can vary by operating system, often exceeding 4 characters. Some formats like .txt may be listed multiple times. UNIX-like systems may not always use period after filename as extension
IBM introduced first HDD in 1956, storing 5 million characters on 52 disks. Modern HDDs use magnetic platters and heads on moving actuator arms. Data accessed randomly, retaining data when powered off. Most common form factors are 3.5-inch for desktops and 2.5-inch for laptops
WhatsApp offers two PC versions: Web and Desktop. Both mirror phone's WhatsApp account and require internet connection. Data remains primarily on phone, not stored locally