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Total questions: 13
Worksheet time: 8mins
The time period lag between a request made and action being performed is called ______________
Pitch
Latency
Time slot
Track
A half byte is known as_____
data
bit
half byte
nibble
None of these
Binary data on Optical discs is represented using...
Magnetic charges
Physical pits and lands
Electrical current
Lasers
What is the correct order from smallest to largest
Nibble, bit, byte, megabyte, kilobyte, gigabyte, terabyte
Bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte
Nibble, byte, bit, kilobyte, megabyte, gigabyte, terabyte
Bit, nibble, byte, kilobyte, megabyte, terabyte, gigabyte
which of theses are advantages of Solid State Memory storage over Magnetic or Optical storage?
No moving parts, less can go wrong.
Faster to read and write to.
Cheaper than Magnetic or Optical devices, byte for byte.
Data stored on SS memory will last forever
What types of optical media stores its data in concentric tracks?
CD
DVD
DVD-RAM
Blue-ray disks
The smaller pits and bumps of a blue laser on an optical media disk allow for:
better birefringence results
worse birefringence results
more data storage
less data storage
Difference between Blu-Ray and DVDs (Choose two options):
Smaller ‘pits’ and ‘bumps’ bigger storage , 5 times than DVD
DVD have smaller storage size compared to Blu-ray
Blu-Rays are used for high definition sound track only
Comes with a secure encryption system
DVD stands for
Decoded Video Disk
Digital Versatile Disk
Digital Virtual Disk
None of these
A floppy can be write-protected by
Breaking the slider
Positioning the slider to cover the hole
Positioning the slider away from the hole
Cannot be write-protected
A spiral shape track formatting is present in
Floppy disk
Optical disk
Hard disk
Half-inch Tape catridge
In which kind of disk does the read/write head physically touch the surface?
Hard disk
Compact disk
Floppy disk
None of these
Reg No
