1. What is the file size - in bytes - of an image which is 1250 pixels by 1000 pixels, with the colour information encoded as 16 bits per pixel?

2. What is the aspect ratio of a monitor capable of displaying an image of 2560 x 1440?

3. A monitor with an aspect ratio of 4:3 is capable of displaying 2048 pixels horizontally. How many lines does the monitor display?

4. A 2 TB hard drive has 5 platters, what is the storage capacity of each platter?

5. For the following hard drives, what is the precise percentage of the cache to the disk capacity?

I. 2 TB, 200 MB cache

II. 4 TB, 600 MB cache

III. 8 TB, 1024 MB cache

6. Three hard drives spin at the following speeds. How long does it take for each of them to complete one revolution of their platters?

I. 5400 RPM

II. 7200 RPM

III. 10,000 RPM

7. A hard drive with a spin speed of 7200 RPM, commences spinning at time = 0, at time = 1.326 ms what is the angle that the disk has rotated by relative to it's start position?

I. In degrees

II. In Radians

8. A computer's memory chip takes 166.6 ps to read/write data per cycle. What is the clock frequency of the memory?

9. Three single core micro processors have the following clock speeds. For each of them, what is the duration of a one clock cycle?

1 MHz

4 GHz

2 THz

10. An optical storage disk can store 10 PB of data, the disk is 1 mm in thickness. For every moment since you have been born, a High Definition (HD) video (1,280720 pixels with the colour information encoded as 24 bits per pixel and a frame rate of 24 fps of your life has been recorded. How high is the stack of optical storage disks used to store the video of your life to date?