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Information and Communication Technology - 20
1.
Which of the following is based on laser technology?
a) CDs
b) Audio-video cassettes
c) Primary memory
d) Flash drive
2.
Which of the following is based on laser technology?
a) Flash drive
b) Audio-video cassettes
c) Compact Discs
d) Primary memory
3.
Upon which technology, CDs are based?
a) Electronics technology
b) Laser technology
c) Magnetism technology
d) Electrostatics technology
4.
Floppy disc is made up of……..?
a) Plastic
b) Iron
c) Wood
d) Aluminum
5.
What are the reflecting spots on CDs called?
a) Pits
b) DVD
c) Lands
d) RAM
6.
What are the non-reflecting spots on CDs called?
a) DVD
b) Lands
c) Pits
d) RAM
7.
What are the spiral tracks called that are encoded on the top surface of CD?
a) DVD
b) RAM
c) Lands
d) Pits
8.
What are the areas between pits surface of CD called?
a) RAM
b) Lands
c) 2-Pits
d) DVD
9.
The presence of pit indicates..........?
a) -1
b) 0
c) 1
d) 2
10.
The absence of pit indicates..........?
a) 1
b) 0
c) 2
d) -1
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