Question Completion Status:

$10$

$2$

$30$

$4E$

$5[$

$60$

$7$

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$100$

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$12[$

$13b$

$14C$

$15$

$21.$

$22n$

$234$

$240$

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$3$

$q,$

QUESTION $25$

The advent of optical discs was made possible by developments in $$ technology. $q,$ a$.$ storage

b$.$ magnetic

c$.$ silicone

d$.$ laser