Multiple choice

1. Optical discs

1. can hold up to 10 gigabytes of data. 

2. use magnetic charges to represent 1s and 0s. 

3. typically use a single track that spirals toward the center of the disk. 

4. have had little impact on storage.

2.Hard disks store and organize files using all the following, except

1. tracks. 

2. sectors. 

3. cylinders. 

4. paths.

3.Instead of using a mouse, you can use this pointing device to control the pointer by rotating a ball with your thumb.

1. Pointing stick 

2. Touchpad 

3. Joystick 

4. Trackball

4.Which of the following measures the amount of time required by the storage device to retrieve data and programs?

 1. Nonvolatile media 

2. Capacity 

3. Access speed 

4. RAM