File Size Calculations – Q&A

Question 1[3 marks]

How many of the above text files can we store on a 1.44MB floppy disk?

Each text file contains 6,000 characters and is encoded using ASCII: 8 bits per character.

Question 2[3 marks]

I have 3,000 pictures on my 32GB micro SD card. How much free space is there left on this SD card?

Each picture file has a width of 1920px, a height of 1080px and a colour depth of 24 bits.

Question 3[4 marks]

I have selected 20 sound files to burn on a CD (700MB). How many extra sound files can I add to this CD?

Each sound file has a sample rate of 44.1kHz, a bit depth of 16-bits and lasts 3 minutes and 30 seconds.

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