File Size Calculations (iGCSE Up to 2022)

If an audio track is 6 minutes and 9 seconds long (369 seconds total) recorded in stereo, samples at 96Khz (96000 Hz) with a sample depth of 32 bits what is the file size of this audio recording (in megabytes)? (2 d.p.)

(a)  

A 24 bit colour image is 5 inches x 1 inch in size with the resolution of 400 dots per inch. Calculate the storage requirements for this image in kilobytes. (Numbers only to 2 decimal places)

(a)  

A 16 bit colour image is 3 inches X 1 inch in size with a resolution of 700 dots per inch. Calculate the storage requirements for this image in kilobytes( 2 d.p.)

(a)  

If an audio track is 90 seconds long recorded in stereo, samples at 1Khz (1000 Hz) with a sample depth of 8 bits what is the file size of this audio recording (in megabytes to 2 decimal places)?

(a)  

A 24 bit colour image measuring 4 by 7 inches has 650 pixels per inch.Calculate the number of KB to two decimal places.

(a)  

An audio track is 5 minutes long recorded in samples at 50khz with a sample depth of 10 bits. Calculate the file size in KB. (To 2 decimal places)

(a)  

An uncompressed frame of Standard definition Tv runs for 7 minutes and 10 seconds. Calculate the number of GB to two decimal places of this file.

(a)