Aman installs a web camera in the waiting area of a clinic for security purposes and finds that a 1- minute video takes up approximately 10 MB. Which of the following is the required storage capacity of a daily backup in GB (correct to three significant figures)?

  1. 12.3 GB
  2. 15.6 GB
  3. 14.1 GB
  4. 13.4 GB

Answer (Detailed Solution Below)

Option 3 : 14.1 GB

Detailed Solution

Download Solution PDF

The correct answer is - 14.1 GB

Key Points

  • Video Storage Calculation
    • Each 1-minute video takes up 10 MB.
    • There are 60 minutes in an hour and 24 hours in a day.
  • Total Minutes per Day
    • Total minutes in a day = 24 hours/day * 60 minutes/hour = 1440 minutes/day.
  • Total Storage per Day
    • Total storage required = 1440 minutes/day * 10 MB/minute = 14400 MB/day.
  • Conversion to Gigabytes
    • 1 GB = 1024 MB.
    • Total storage required in GB = 14400 MB / 1024 MB/GB = 14.0625 GB.
    • Rounded to three significant figures, the required storage capacity is 14.1 GB.

Additional Information

  • Data Storage Units
    • 1 Kilobyte (KB) = 1024 bytes
    • 1 Megabyte (MB) = 1024 KB
    • 1 Gigabyte (GB) = 1024 MB
    • 1 Terabyte (TB) = 1024 GB
  • Importance of Backup
    • Regular backups ensure data security and availability in case of system failures.
    • For security purposes, video surveillance data is crucial and needs to be backed up daily.
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