Technical Terms - Hardware (A-Z) - Optical Drive

What type of laser does an optical drive use to read optical discs?

• Infrared laser

• Ultraviolet laser

• Visible laser

• X-ray laser

What is the purpose of the high-power laser in an optical drive?

• Read data

• Detect bumps and pits

• Erase rewritable discs

• Burn data to a disc

What is the main advantage of optical media over hard drives and solid-state drives?

• Longer lifespan

• Inexpensive and removable

• Higher storage capacity

• Faster data transfer speed

What is the size of pits on a Blu-ray disc compared to a CD?

• 800 nm

• 150 nm

• 300 nm

• 500 nm

How fast can a Blu-ray optical drive spin a disc while reading data?

• 5,000 revolutions per minute

• 9,000 revolutions per minute

• 11,000 revolutions per minute

• 7,000 revolutions per minute

What type of data is optical media most often used to distribute?

• Text documents

• High-definition movies

• Software applications

• Music files

What does the word 'optical' refer to in optical drives and media?

• Sound waves

• Vision or light

• Heat energy

• Electricity

Which component of a computer is an optical drive connected directly to?

• Graphics card

• Motherboard

• RAM

• CPU

What is the function of the medium-power laser in an optical drive?

• Detect bumps and pits

• Burn data to a disc

• Erase rewritable discs

• Read data

Why are optical drives considered slower than hard drives and solid-state drives?

• Inability to read data

• Higher cost

• Speed of reading pits on a disc

• Limited storage capacity