Question 1

How long to transfer a large file?

Accepted Answer

Time = Size ÷ Speed. A 10 GB file at 100 Mbps takes ~13 minutes.

Question 2

Why are real transfers slower than theoretical?

Accepted Answer

Protocol overhead, network congestion, disk speed limits, and connection quality.

Question 3

Why is my storage smaller than advertised?

Accepted Answer

Manufacturers use decimal (1 GB = 1 billion bytes). Operating systems often use binary (1 GB = 1.07 billion bytes). This ~7% difference explains 'missing' space.

Question 4

What's the difference between bits and bytes?

Accepted Answer

1 byte = 8 bits. Storage is measured in bytes (GB, TB). Network speeds are usually in bits (Mbps, Gbps). Divide Mbps by 8 to get MBps.

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