Memory and Storage 9 (source:craiganddave,org)

How is the size of a text file calculated?

• Bits divided by characters

• Characters plus bits

• Bits multiplied by characters

• Characters divided by bits

What formula is used to calculate the size of a sound file?

• Duration plus sample rate

• Bit depth divided by sample rate

• Sample rate times duration times bit depth

• Sample rate plus bit depth

What is the primary unit used to measure the capacity of a drive?

• Gigabytes

• Megabytes

• Bytes

• Bits

Which type of storage was mentioned as having a capacity of 256GB?

• Optical drive

• Hard drive

• USB pen

• CD-R

How many documents can be stored on a 640MB CD-R?

• 640 documents

• 1280 documents

• 3200 documents

• 256 documents

How many videos can be stored on an 8TB hard drive if each video is 62.9MB?

• 127,000 videos

• 1,280 videos

• 62,900 videos

• 8,000 videos

How many music files can fit on a 640MB CD if each file is 8.4MB?

• 100 music files

• 640 music files

• 84 music files

• 76 music files

What is the total number of bytes for a text file with 244 characters, each character stored in 7 bits?

• 214 bytes

• 7 bytes

• 244 bytes

• 1708 bytes

What is the bit depth used in the example for calculating the size of a sound file?

• 8 bits

• 2 bits

• 4 bits

• 6 bits

What is the color depth used in the example for calculating the size of an image file?

• 3 bits

• 1 bit

• 4 bits

• 2 bits