Font size
WorksheetsSecondary Storage (Video Quiz)
Total questions: 10
Worksheet time: 26mins
1-5.
Answer the questions below after watching the video
What does a pit on an optical disc represent?
Zero
Light
Data
One
Which color laser does a Blu-Ray disc use?
Blue
Green
Red
Infrared
How does the wavelength of a Blu-Ray's laser compare to that of a DVD's laser?
Variable
The same
Shorter
Longer
What generation of optical disc is Blu-Ray considered?
Second
First
Third
Fourth
What is the next advancement in optical disc technology mentioned?
Ultra HD Blu-Ray
HD DVD
LaserDisc
VHS
6-9.
Answer the questions below after watching the video
What is used to change the direction of metal grain's magnetization in a hard drive?
A laser beam
An electrical current
A mechanical arm
A magnetic field
How many bits are there in one byte?
8
32
16
2
What represents a letter in computer data?
One megabyte
One kilobyte
One byte
One bit
Which technique allowed engineers to shrink the reader and writer in hard drives?
Quantum computing
Thin film lithography process
Nano-fabrication
Magnetic resonance
10-14.
Answer the questions below after watching the video
How much data can the solid-state drive mentioned store?
500 gigabytes
100 gigabytes
128 gigabytes
1 terabyte
What is the name of the individual memory cell inside an SSD?
Memory trap cell
Charge trap flash
Data storage unit
Electron trap flash
How many bits of information does each memory cell store?
2 bits
3 bits
4 bits
5 bits
What happens to the electrons when the memory cell is erased?
They multiply
They stay trapped
They are forcibly removed
They change state
How are the memory cells organized to achieve a terabyte of storage?
In a single layer
Stacked 50 layers tall
In a double layer
Stacked 100 layers tall
3. What is a common feature of RAM?
It is used for long-term storage
It is volatile
It only stores read-only data
It has mechanical parts
4. Which of the following is a characteristic of cloud storage?
Data is stored locally on physical devices
Data can only be accessed with a direct connection to the storage device
Data is stored on remote servers and accessed over the internet
Data storage capacity is typically more limited compared to physical devices
5. What is the primary advantage of using flash memory for data storage?
It has unlimited read and write cycles
It requires constant power to retain data
It offers faster data access speeds compared to hard drives
It is more expensive per gigabyte than other storage options
