OCR Byte capacity J277

Question 1: How many bytes are there per character in a text file? (1/2)

• 0.5

• 1

• 1.5

• 2

Question 2: Which is the smallest of these data capacities? (4/5)

• 2 KB

• 2049 bytes

• 0.5 MB

• 3 GB

Question 3: Which is the largest of these data capacities? (9)

• 2048 MB

• 2 GB

• 2050 MB

• 100000 KB

Question 4: Which formulae can be used to estimate the file size of an image? (7-9)

• number of pixels * number of bytes per pixel

• number of pixels *

• number of pixels wide number of pixels high number of bytes per pixel *

• number of pixels wide number of bytes per pixel number of pixels *

Question 5: Which formulae can be used to estimate the file size of a sound file? (7-9)

• bytes per sample channels height + number of minutes

• samples per second number of seconds

• samples per second bytes per sample duration

• samples per second samples per second channels * duration

Question 6: How many bytes are needed to store 32769 different colours? (9)

• 1

• 2

• 3

• 4