which technology id used in compact disks...? Mcqs

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which technology id used in compact disks...?

(A) laser
(B) mechanical

(C) elecrtical
(D) none of these

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Source: This question is taken from the District Zakat Officer BS-17 PPSC past papers

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In the topology computer is directly linked to a centre computer:...?

(A) Bus
(B) Node

(C) Star
(D) Ring

Comments

Source: This question is taken from the Data Entry Operator BS-14 Lahore High Court 2022

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